com.amazon.redshift.jdbc.RedshiftDatabaseMetaData Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of redshift-jdbc42 Show documentation
Show all versions of redshift-jdbc42 Show documentation
Java JDBC 4.2 (JRE 8+) driver for Redshift database
/*
* Copyright (c) 2004, PostgreSQL Global Development Group
* See the LICENSE file in the project root for more information.
*/
package com.amazon.redshift.jdbc;
import com.amazon.redshift.core.BaseStatement;
import com.amazon.redshift.core.Field;
import com.amazon.redshift.core.Oid;
import com.amazon.redshift.core.Tuple;
import com.amazon.redshift.core.TypeInfo;
import com.amazon.redshift.logger.RedshiftLogger;
import com.amazon.redshift.util.ByteConverter;
import com.amazon.redshift.util.GT;
import com.amazon.redshift.util.JdbcBlackHole;
import com.amazon.redshift.util.RedshiftException;
import com.amazon.redshift.util.RedshiftState;
import java.math.BigInteger;
import java.sql.Array;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.RowIdLifetime;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.StringTokenizer;
public class RedshiftDatabaseMetaData implements DatabaseMetaData {
// Universal (local+external), local , and external schema indicators.
private final int NO_SCHEMA_UNIVERSAL_QUERY = 0;
private final int LOCAL_SCHEMA_QUERY = 1;
private final int EXTERNAL_SCHEMA_QUERY = 2;
public RedshiftDatabaseMetaData(RedshiftConnectionImpl conn) {
this.connection = conn;
}
private String keywords;
protected final RedshiftConnectionImpl connection; // The connection association
private int nameDataLength = 0; // length for name datatype
private int indexMaxKeys = 0; // maximum number of keys in an index.
protected int getMaxIndexKeys() throws SQLException {
if (indexMaxKeys == 0) {
/* dev=# show max_index_keys;
max_index_keys
----------------
32
(1 row) */
indexMaxKeys = 32;
/* String sql;
sql = "SELECT setting FROM pg_catalog.pg_settings WHERE name='max_index_keys'";
Statement stmt = connection.createStatement();
ResultSet rs = null;
try {
rs = stmt.executeQuery(sql);
if (!rs.next()) {
stmt.close();
throw new RedshiftException(
GT.tr(
"Unable to determine a value for MaxIndexKeys due to missing system catalog data."),
RedshiftState.UNEXPECTED_ERROR);
}
indexMaxKeys = rs.getInt(1);
} finally {
JdbcBlackHole.close(rs);
JdbcBlackHole.close(stmt);
} */
}
return indexMaxKeys;
}
protected int getMaxNameLength() throws SQLException {
if (nameDataLength == 0) {
String sql;
sql = "SELECT t.typlen FROM pg_catalog.pg_type t, pg_catalog.pg_namespace n "
+ "WHERE t.typnamespace=n.oid AND t.typname='name' AND n.nspname='pg_catalog'";
Statement stmt = connection.createStatement();
ResultSet rs = null;
try {
rs = stmt.executeQuery(sql);
if (!rs.next()) {
throw new RedshiftException(GT.tr("Unable to find name datatype in the system catalogs."),
RedshiftState.UNEXPECTED_ERROR);
}
nameDataLength = rs.getInt("typlen");
} finally {
JdbcBlackHole.close(rs);
JdbcBlackHole.close(stmt);
}
}
return nameDataLength - 1;
}
public boolean allProceduresAreCallable() throws SQLException {
return true; // For now...
}
public boolean allTablesAreSelectable() throws SQLException {
return true; // For now...
}
public String getURL() throws SQLException {
return connection.getURL();
}
public String getUserName() throws SQLException {
return connection.getUserName();
}
public boolean isReadOnly() throws SQLException {
return connection.isReadOnly();
}
public boolean nullsAreSortedHigh() throws SQLException {
return true;
}
public boolean nullsAreSortedLow() throws SQLException {
return false;
}
public boolean nullsAreSortedAtStart() throws SQLException {
return false;
}
public boolean nullsAreSortedAtEnd() throws SQLException {
return false;
}
/**
* Retrieves the name of this database product. We hope that it is Redshift, so we return that
* explicitly.
*
* @return "Redshift"
*/
@Override
public String getDatabaseProductName() throws SQLException {
return "Redshift"; // "PostgreSQL" "Redshift";
}
@Override
public String getDatabaseProductVersion() throws SQLException {
return connection.getDBVersionNumber();
}
@Override
public String getDriverName() {
return com.amazon.redshift.util.DriverInfo.DRIVER_NAME;
}
@Override
public String getDriverVersion() {
return com.amazon.redshift.util.DriverInfo.DRIVER_VERSION;
}
@Override
public int getDriverMajorVersion() {
return com.amazon.redshift.util.DriverInfo.MAJOR_VERSION;
}
@Override
public int getDriverMinorVersion() {
return com.amazon.redshift.util.DriverInfo.MINOR_VERSION;
}
/**
* Does the database store tables in a local file? No - it stores them in a file on the server.
*
* @return true if so
* @throws SQLException if a database access error occurs
*/
public boolean usesLocalFiles() throws SQLException {
return false;
}
/**
* Does the database use a file for each table? Well, not really, since it doesn't use local files.
*
* @return true if so
* @throws SQLException if a database access error occurs
*/
public boolean usesLocalFilePerTable() throws SQLException {
return false;
}
/**
* Does the database treat mixed case unquoted SQL identifiers as case sensitive and as a result
* store them in mixed case? A JDBC-Compliant driver will always return false.
*
* @return true if so
* @throws SQLException if a database access error occurs
*/
public boolean supportsMixedCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesUpperCaseIdentifiers() throws SQLException {
return false;
}
public boolean storesLowerCaseIdentifiers() throws SQLException {
return true;
}
public boolean storesMixedCaseIdentifiers() throws SQLException {
return false;
}
/**
* Does the database treat mixed case quoted SQL identifiers as case sensitive and as a result
* store them in mixed case? A JDBC compliant driver will always return true.
*
* @return true if so
* @throws SQLException if a database access error occurs
*/
public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
return true;
}
public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
return false;
}
public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
return false;
}
/**
* What is the string used to quote SQL identifiers? This returns a space if identifier quoting
* isn't supported. A JDBC Compliant driver will always use a double quote character.
*
* @return the quoting string
* @throws SQLException if a database access error occurs
*/
public String getIdentifierQuoteString() throws SQLException {
return "\"";
}
/**
* {@inheritDoc}
*
* From PostgreSQL 9.0+ return the keywords from pg_catalog.pg_get_keywords()
*
* @return a comma separated list of keywords we use
* @throws SQLException if a database access error occurs
*/
@Override
public String getSQLKeywords() throws SQLException {
// Static list from PG8.2 src/backend/parser/keywords.c with SQL:2003 excluded.
String keywords = "abort,access,aggregate,also,analyse,analyze,backward,bit,cache,checkpoint,class,"
+ "cluster,comment,concurrently,connection,conversion,copy,csv,database,delimiter,"
+ "delimiters,disable,do,enable,encoding,encrypted,exclusive,explain,force,forward,freeze,"
+ "greatest,handler,header,if,ilike,immutable,implicit,index,indexes,inherit,inherits,"
+ "instead,isnull,least,limit,listen,load,location,lock,mode,move,nothing,notify,notnull,"
+ "nowait,off,offset,oids,operator,owned,owner,password,prepared,procedural,quote,reassign,"
+ "recheck,reindex,rename,replace,reset,restrict,returning,rule,setof,share,show,stable,"
+ "statistics,stdin,stdout,storage,strict,sysid,tablespace,temp,template,truncate,trusted,"
+ "unencrypted,unlisten,until,vacuum,valid,validator,verbose,volatile";
return keywords;
}
public String getNumericFunctions() throws SQLException {
return EscapedFunctions.ABS + ',' + EscapedFunctions.ACOS + ',' + EscapedFunctions.ASIN + ','
+ EscapedFunctions.ATAN + ',' + EscapedFunctions.ATAN2 + ',' + EscapedFunctions.CEILING
+ ',' + EscapedFunctions.COS + ',' + EscapedFunctions.COT + ',' + EscapedFunctions.DEGREES
+ ',' + EscapedFunctions.EXP + ',' + EscapedFunctions.FLOOR + ',' + EscapedFunctions.LOG
+ ',' + EscapedFunctions.LOG10 + ',' + EscapedFunctions.MOD + ',' + EscapedFunctions.PI
+ ',' + EscapedFunctions.POWER + ',' + EscapedFunctions.RADIANS + ',' + EscapedFunctions.RANDOM + ','
+ EscapedFunctions.ROUND + ',' + EscapedFunctions.SIGN + ',' + EscapedFunctions.SIN + ','
+ EscapedFunctions.SQRT + ',' + EscapedFunctions.TAN + ',' + EscapedFunctions.TRUNCATE;
}
public String getStringFunctions() throws SQLException {
String funcs = EscapedFunctions.ASCII + ',' + EscapedFunctions.CHAR + ','
+ EscapedFunctions.CHAR_LENGTH + ',' + EscapedFunctions.CHARACTER_LENGTH + ','
+ EscapedFunctions.CONCAT + ',' + EscapedFunctions.LCASE + ',' + EscapedFunctions.LEFT + ','
+ EscapedFunctions.LENGTH + ',' + EscapedFunctions.LTRIM + ','
+ EscapedFunctions.OCTET_LENGTH + ',' + EscapedFunctions.POSITION + ','
+ EscapedFunctions.REPEAT + ','
+ EscapedFunctions.RIGHT + ',' + EscapedFunctions.RTRIM + ',' + EscapedFunctions.SPACE + ','
+ EscapedFunctions.SUBSTRING + ',' + EscapedFunctions.UCASE;
// Currently these don't work correctly with parameterized
// arguments, so leave them out. They reorder the arguments
// when rewriting the query, but no translation layer is provided,
// so a setObject(N, obj) will not go to the correct parameter.
// ','+EscapedFunctions.INSERT+','+EscapedFunctions.LOCATE+
// ','+EscapedFunctions.RIGHT+
funcs += ',' + EscapedFunctions.REPLACE;
return funcs;
}
public String getSystemFunctions() throws SQLException {
return EscapedFunctions.DATABASE + ',' + EscapedFunctions.IFNULL + ',' + EscapedFunctions.USER;
}
public String getTimeDateFunctions() throws SQLException {
String timeDateFuncs = EscapedFunctions.CURDATE + ',' + EscapedFunctions.CURTIME + ','
+ EscapedFunctions.DAYNAME + ',' + EscapedFunctions.DAYOFMONTH + ','
+ EscapedFunctions.DAYOFWEEK + ',' + EscapedFunctions.DAYOFYEAR + ','
+ EscapedFunctions.HOUR + ',' + EscapedFunctions.MINUTE + ',' + EscapedFunctions.MONTH + ','
+ EscapedFunctions.MONTHNAME + ',' + EscapedFunctions.NOW + ',' + EscapedFunctions.QUARTER
+ ',' + EscapedFunctions.SECOND + ',' + EscapedFunctions.WEEK + ',' + EscapedFunctions.YEAR;
timeDateFuncs += ',' + EscapedFunctions.TIMESTAMPADD;
// +','+EscapedFunctions.TIMESTAMPDIFF;
return timeDateFuncs;
}
public String getSearchStringEscape() throws SQLException {
// This method originally returned "\\\\" assuming that it
// would be fed directly into pg's input parser so it would
// need two backslashes. This isn't how it's supposed to be
// used though. If passed as a PreparedStatement parameter
// or fed to a DatabaseMetaData method then double backslashes
// are incorrect. If you're feeding something directly into
// a query you are responsible for correctly escaping it.
// With 8.2+ this escaping is a little trickier because you
// must know the setting of standard_conforming_strings, but
// that's not our problem.
return "\\";
}
/**
* {@inheritDoc}
*
* Redshift allows any high-bit character to be used in an unquoted identifier, so we can't
* possibly list them all.
*
* From the file src/backend/parser/scan.l, an identifier is ident_start [A-Za-z\200-\377_]
* ident_cont [A-Za-z\200-\377_0-9\$] identifier {ident_start}{ident_cont}*
*
* @return a string containing the extra characters
* @throws SQLException if a database access error occurs
*/
public String getExtraNameCharacters() throws SQLException {
return "";
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsAlterTableWithAddColumn() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsAlterTableWithDropColumn() throws SQLException {
return true;
}
public boolean supportsColumnAliasing() throws SQLException {
return true;
}
public boolean nullPlusNonNullIsNull() throws SQLException {
return true;
}
public boolean supportsConvert() throws SQLException {
return false;
}
public boolean supportsConvert(int fromType, int toType) throws SQLException {
return false;
}
public boolean supportsTableCorrelationNames() throws SQLException {
return true;
}
public boolean supportsDifferentTableCorrelationNames() throws SQLException {
return false;
}
public boolean supportsExpressionsInOrderBy() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsOrderByUnrelated() throws SQLException {
return true;
}
public boolean supportsGroupBy() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsGroupByUnrelated() throws SQLException {
return true;
}
/*
* {@inheritDoc}
*
* @return true
*/
public boolean supportsGroupByBeyondSelect() throws SQLException {
return true;
}
/*
* {@inheritDoc}
*
* @return true
*/
public boolean supportsLikeEscapeClause() throws SQLException {
return true;
}
public boolean supportsMultipleResultSets() throws SQLException {
return true;
}
public boolean supportsMultipleTransactions() throws SQLException {
return true;
}
public boolean supportsNonNullableColumns() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* This grammar is defined at:
*
* http://www.microsoft.com/msdn/sdk/platforms/doc/odbc/src/intropr.htm
*
* In Appendix C. From this description, we seem to support the ODBC minimal (Level 0) grammar.
*
* @return true
*/
public boolean supportsMinimumSQLGrammar() throws SQLException {
return true;
}
/**
* Does this driver support the Core ODBC SQL grammar. We need SQL-92 conformance for this.
*
* @return false
* @throws SQLException if a database access error occurs
*/
public boolean supportsCoreSQLGrammar() throws SQLException {
return false;
}
/**
* Does this driver support the Extended (Level 2) ODBC SQL grammar. We don't conform to the Core
* (Level 1), so we can't conform to the Extended SQL Grammar.
*
* @return false
* @throws SQLException if a database access error occurs
*/
public boolean supportsExtendedSQLGrammar() throws SQLException {
return false;
}
/**
* Does this driver support the ANSI-92 entry level SQL grammar? All JDBC Compliant drivers must
* return true. We currently report false until 'schema' support is added. Then this should be
* changed to return true, since we will be mostly compliant (probably more compliant than many
* other databases) And since this is a requirement for all JDBC drivers we need to get to the
* point where we can return true.
*
* @return true
* @throws SQLException if a database access error occurs
*/
public boolean supportsANSI92EntryLevelSQL() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return false
*/
public boolean supportsANSI92IntermediateSQL() throws SQLException {
return false;
}
/**
* {@inheritDoc}
*
* @return false
*/
public boolean supportsANSI92FullSQL() throws SQLException {
return false;
}
/*
* Is the SQL Integrity Enhancement Facility supported? Our best guess is that this means support
* for constraints
*
* @return true
*
* @exception SQLException if a database access error occurs
*/
public boolean supportsIntegrityEnhancementFacility() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsOuterJoins() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsFullOuterJoins() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsLimitedOuterJoins() throws SQLException {
return true;
}
/**
* {@inheritDoc}
* Redshift doesn't have schemas, but when it does, we'll use the term "schema".
*
* @return {@code "schema"}
*/
public String getSchemaTerm() throws SQLException {
return "schema";
}
/**
* {@inheritDoc}
*
* @return {@code "procedure"}
*/
public String getProcedureTerm() throws SQLException {
return "procedure"; // function
}
/**
* {@inheritDoc}
*
* @return {@code "database"}
*/
public String getCatalogTerm() throws SQLException {
return "database";
}
public boolean isCatalogAtStart() throws SQLException {
return true;
}
public String getCatalogSeparator() throws SQLException {
return ".";
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsSchemasInDataManipulation() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsSchemasInProcedureCalls() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsSchemasInTableDefinitions() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsSchemasInIndexDefinitions() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException {
return true;
}
public boolean supportsCatalogsInDataManipulation() throws SQLException {
return true;
}
public boolean supportsCatalogsInProcedureCalls() throws SQLException {
return true;
}
public boolean supportsCatalogsInTableDefinitions() throws SQLException {
return true;
}
public boolean supportsCatalogsInIndexDefinitions() throws SQLException {
return true;
}
public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException {
return true;
}
/**
* We support cursors for gets only it seems. I dont see a method to get a positioned delete.
*
* @return false
* @throws SQLException if a database access error occurs
*/
public boolean supportsPositionedDelete() throws SQLException {
return false; // For now...
}
public boolean supportsPositionedUpdate() throws SQLException {
return false; // For now...
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsSelectForUpdate() throws SQLException {
return true;
}
public boolean supportsStoredProcedures() throws SQLException {
return true;
}
public boolean supportsSubqueriesInComparisons() throws SQLException {
return true;
}
public boolean supportsSubqueriesInExists() throws SQLException {
return true;
}
public boolean supportsSubqueriesInIns() throws SQLException {
return true;
}
public boolean supportsSubqueriesInQuantifieds() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsCorrelatedSubqueries() throws SQLException {
return true;
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsUnion() throws SQLException {
return true; // since 6.3
}
/**
* {@inheritDoc}
*
* @return true
*/
public boolean supportsUnionAll() throws SQLException {
return true;
}
/**
* {@inheritDoc} In Redshift, Cursors are only open within transactions.
*/
public boolean supportsOpenCursorsAcrossCommit() throws SQLException {
return false;
}
public boolean supportsOpenCursorsAcrossRollback() throws SQLException {
return false;
}
/**
* {@inheritDoc}
* Can statements remain open across commits? They may, but this driver cannot guarantee that. In
* further reflection. we are talking a Statement object here, so the answer is yes, since the
* Statement is only a vehicle to ExecSQL()
*
* @return true
*/
public boolean supportsOpenStatementsAcrossCommit() throws SQLException {
return true;
}
/**
* {@inheritDoc}
* Can statements remain open across rollbacks? They may, but this driver cannot guarantee that.
* In further contemplation, we are talking a Statement object here, so the answer is yes, since
* the Statement is only a vehicle to ExecSQL() in Connection
*
* @return true
*/
public boolean supportsOpenStatementsAcrossRollback() throws SQLException {
return true;
}
public int getMaxCharLiteralLength() throws SQLException {
return 0; // no limit
}
public int getMaxBinaryLiteralLength() throws SQLException {
return 0; // no limit
}
public int getMaxColumnNameLength() throws SQLException {
return getMaxNameLength();
}
public int getMaxColumnsInGroupBy() throws SQLException {
return 0; // no limit
}
public int getMaxColumnsInIndex() throws SQLException {
return getMaxIndexKeys();
}
public int getMaxColumnsInOrderBy() throws SQLException {
return 0; // no limit
}
public int getMaxColumnsInSelect() throws SQLException {
return 0; // no limit
}
/**
* {@inheritDoc} What is the maximum number of columns in a table? From the CREATE TABLE reference
* page...
*
* "The new class is created as a heap with no initial data. A class can have no more than 1600
* attributes (realistically, this is limited by the fact that tuple sizes must be less than 8192
* bytes)..."
*
* @return the max columns
* @throws SQLException if a database access error occurs
*/
public int getMaxColumnsInTable() throws SQLException {
return 1600;
}
/**
* {@inheritDoc} How many active connection can we have at a time to this database? Well, since it
* depends on postmaster, which just does a listen() followed by an accept() and fork(), its
* basically very high. Unless the system runs out of processes, it can be 65535 (the number of
* aux. ports on a TCP/IP system). I will return 8192 since that is what even the largest system
* can realistically handle,
*
* @return the maximum number of connections
* @throws SQLException if a database access error occurs
*/
public int getMaxConnections() throws SQLException {
return 0; // 8192
}
public int getMaxCursorNameLength() throws SQLException {
return getMaxNameLength();
}
public int getMaxIndexLength() throws SQLException {
return 0; // no limit (larger than an int anyway)
}
public int getMaxSchemaNameLength() throws SQLException {
return getMaxNameLength();
}
public int getMaxProcedureNameLength() throws SQLException {
return getMaxNameLength();
}
public int getMaxCatalogNameLength() throws SQLException {
return getMaxNameLength();
}
public int getMaxRowSize() throws SQLException {
return 1073741824; // 1 GB
}
public boolean doesMaxRowSizeIncludeBlobs() throws SQLException {
return false;
}
public int getMaxStatementLength() throws SQLException {
return 0; // actually whatever fits in size_t
}
public int getMaxStatements() throws SQLException {
return 0;
}
public int getMaxTableNameLength() throws SQLException {
return getMaxNameLength();
}
public int getMaxTablesInSelect() throws SQLException {
return 0; // no limit
}
public int getMaxUserNameLength() throws SQLException {
return getMaxNameLength();
}
public int getDefaultTransactionIsolation() throws SQLException {
return Connection.TRANSACTION_SERIALIZABLE; // TRANSACTION_READ_COMMITTED;
}
public boolean supportsTransactions() throws SQLException {
return true;
}
/**
* {@inheritDoc}
* We only support TRANSACTION_SERIALIZABLE and TRANSACTION_READ_COMMITTED before 8.0; from 8.0
* READ_UNCOMMITTED and REPEATABLE_READ are accepted aliases for READ_COMMITTED.
*/
public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
return (level == Connection.TRANSACTION_SERIALIZABLE);
}
public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException {
return true;
}
public boolean supportsDataManipulationTransactionsOnly() throws SQLException {
return false;
}
/**
* Does a data definition statement within a transaction force the transaction to commit? It seems
* to mean something like:
*
*
* CREATE TABLE T (A INT);
* INSERT INTO T (A) VALUES (2);
* BEGIN;
* UPDATE T SET A = A + 1;
* CREATE TABLE X (A INT);
* SELECT A FROM T INTO X;
* COMMIT;
*
*
* Does the CREATE TABLE call cause a commit? The answer is no.
*
* @return true if so
* @throws SQLException if a database access error occurs
*/
public boolean dataDefinitionCausesTransactionCommit() throws SQLException {
return false;
}
public boolean dataDefinitionIgnoredInTransactions() throws SQLException {
return false;
}
/**
* Turn the provided value into a valid string literal for direct inclusion into a query. This
* includes the single quotes needed around it.
*
* @param s input value
*
* @return string literal for direct inclusion into a query
* @throws SQLException if something wrong happens
*/
protected String escapeQuotes(String s) throws SQLException {
StringBuilder sb = new StringBuilder();
/* if (!connection.getStandardConformingStrings()) {
sb.append("E");
} */
sb.append("'");
sb.append(connection.escapeString(s));
sb.append("'");
return sb.toString();
}
protected String escapeOnlyQuotes(String s) throws SQLException {
StringBuilder sb = new StringBuilder();
/* if (!connection.getStandardConformingStrings()) {
sb.append("E");
} */
sb.append("'");
sb.append(connection.escapeOnlyQuotesString(s));
sb.append("'");
return sb.toString();
}
public ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern)
throws SQLException {
String sql;
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true, catalog, schemaPattern, procedureNamePattern);
sql = "SELECT current_database() AS PROCEDURE_CAT, n.nspname AS PROCEDURE_SCHEM, p.proname AS PROCEDURE_NAME, "
+ "NULL, NULL, NULL, d.description AS REMARKS, "
+ " CASE "
+ " WHEN p.prokind='f' or p.proargmodes is not null THEN 2 "
+ " WHEN p.prokind='p' THEN 1 "
+ " ELSE 0 "
+ " END AS PROCEDURE_TYPE, "
+ " p.proname || '_' || p.prooid AS SPECIFIC_NAME "
+ " FROM pg_catalog.pg_namespace n, pg_catalog.pg_proc_info p "
+ " LEFT JOIN pg_catalog.pg_description d ON (p.prooid=d.objoid) "
+ " LEFT JOIN pg_catalog.pg_class c ON (d.classoid=c.oid AND c.relname='pg_proc') "
+ " LEFT JOIN pg_catalog.pg_namespace pn ON (c.relnamespace=pn.oid AND pn.nspname='pg_catalog') "
+ " WHERE p.pronamespace=n.oid ";
/* if (connection.haveMinimumServerVersion(ServerVersion.v11)) {
sql += " AND p.prokind='p'";
} */
sql += getCatalogFilterCondition(catalog);
if (schemaPattern != null && !schemaPattern.isEmpty()) {
sql += " AND n.nspname LIKE " + escapeQuotes(schemaPattern);
} else {
/* limit to current schema if no schema given */
sql += "and pg_function_is_visible(p.prooid)";
}
if (procedureNamePattern != null && !procedureNamePattern.isEmpty()) {
sql += " AND p.proname LIKE " + escapeQuotes(procedureNamePattern);
}
if (connection.getHideUnprivilegedObjects()) {
sql += " AND has_function_privilege(p.prooid,'EXECUTE')";
}
sql += " ORDER BY PROCEDURE_SCHEM, PROCEDURE_NAME, p.prooid::text ";
ResultSet rs = createMetaDataStatement().executeQuery(sql);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rs);
return rs;
}
public ResultSet getProcedureColumns(String catalog, String schemaPattern,
String procedureNamePattern, String columnNamePattern) throws SQLException {
String sql;
final String unknownColumnSize = "2147483647";
StringBuilder procedureColQuery = new StringBuilder();
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true, catalog, schemaPattern, procedureNamePattern, columnNamePattern);
procedureColQuery.append(
"SELECT PROCEDURE_CAT , PROCEDURE_SCHEM , PROCEDURE_NAME, COLUMN_NAME, "
+ " COLUMN_TYPE, DATA_TYPE, TYPE_NAME, COLUMN_SIZE AS PRECISION, LENGTH , DECIMAL_DIGITS AS SCALE, "
+ " NUM_PREC_RADIX AS RADIX, NULLABLE, REMARKS, COLUMN_DEF, SQL_DATA_TYPE, SQL_DATETIME_SUB, "
+ " CHAR_OCTET_LENGTH, ORDINAL_POSITION, IS_NULLABLE, SPECIFIC_NAME "
+ " FROM (");
procedureColQuery.append("SELECT current_database() AS PROCEDURE_CAT, "
+ " n.nspname as PROCEDURE_SCHEM, "
+ " p.proname AS PROCEDURE_NAME, "
+ " CAST(CASE ((array_upper(proargnames, 0) - array_lower(proargnames, 0)) > 0) "
+ " WHEN 't' THEN proargnames[array_upper(proargnames, 1)] "
+ " ELSE '' "
+ " END AS VARCHAR(256)) AS COLUMN_NAME, "
+ " CAST(CASE p.proretset "
+ " WHEN 't' THEN 3 "
+ " ELSE 0 "
+ " END AS SMALLINT) AS COLUMN_TYPE, "
+ " CAST(CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN '\"char\"' THEN 1"
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 6 "
+ " WHEN 'float8' THEN 6 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN '_float4' THEN 2003 "
+ " WHEN '_aclitem' THEN 2003 "
+ " WHEN '_text' THEN 2003 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN '_int4' THEN 2003 "
+ " WHEN '_int2' THEN 2003 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -16 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " ELSE 1111 "
+ " END AS SMALLINT) AS DATA_TYPE, "
+ " pg_catalog.format_type(p.prorettype, NULL) AS TYPE_NAME, "
+ " CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'varchar' THEN NULL "
+ " WHEN 'character varying' THEN NULL "
+ " WHEN '\"char\"' THEN NULL "
+ " WHEN 'character' THEN NULL "
+ " WHEN 'nchar' THEN NULL "
+ " WHEN 'bpchar' THEN NULL "
+ " WHEN 'nvarchar' THEN NULL "
+ " WHEN 'date' THEN 10 "
+ " WHEN 'time' THEN 15 "
+ " WHEN 'time without time zone' THEN 15 "
+ " WHEN 'timetz' THEN 21 "
+ " WHEN 'time with time zone' THEN 21 "
+ " WHEN 'timestamp' THEN 29 "
+ " WHEN 'timestamp without time zone' THEN 29 "
+ " WHEN 'timestamptz' THEN 35 "
+ " WHEN 'timestamp with time zone' THEN 35 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 10 "
+ " WHEN 'int' THEN 10 "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bigint' THEN 19 "
+ " WHEN 'int8' THEN 19 "
+ " WHEN 'decimal' THEN 38 "
+ " WHEN 'real' THEN 24 "
+ " WHEN 'float4' THEN 53 "
+ " WHEN 'double precision' THEN 53 "
+ " WHEN 'float8' THEN 53 "
+ " WHEN 'float' THEN 53 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN 4194304 "
+ " WHEN 'varbyte' THEN NULL "
+ " WHEN 'geography' THEN NULL "
+ " WHEN 'intervaly2m' THEN 32 "
+ " WHEN 'intervald2s' THEN 64 "
+ " ELSE " + unknownColumnSize
+ " END AS COLUMN_SIZE, "
+ " CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'varchar' THEN NULL "
+ " WHEN 'character varying' THEN NULL "
+ " WHEN '\"char\"' THEN NULL "
+ " WHEN 'character' THEN NULL "
+ " WHEN 'nchar' THEN NULL "
+ " WHEN 'bpchar' THEN NULL "
+ " WHEN 'nvarchar' THEN NULL "
+ " WHEN 'date' THEN 6 "
+ " WHEN 'time' THEN 15 "
+ " WHEN 'time without time zone' THEN 15 "
+ " WHEN 'timetz' THEN 21 "
+ " WHEN 'time with time zone' THEN 21 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 35 "
+ " WHEN 'timestamp with time zone' THEN 35 "
+ " WHEN 'smallint' THEN 2 "
+ " WHEN 'int2' THEN 2 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN 20 "
+ " WHEN 'int8' THEN 20 "
+ " WHEN 'decimal' THEN 8 "
+ " WHEN 'real' THEN 4 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 8 "
+ " WHEN 'float8' THEN 8 "
+ " WHEN 'float' THEN 8 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN 4194304 "
+ " WHEN 'varbyte' THEN NULL "
+ " WHEN 'geography' THEN NULL "
+ " WHEN 'intervaly2m' THEN 4 "
+ " WHEN 'intervald2s' THEN 8 "
+ " END AS LENGTH, "
+ " CAST(CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'smallint' THEN 0 "
+ " WHEN 'int2' THEN 0 "
+ " WHEN 'integer' THEN 0 "
+ " WHEN 'int' THEN 0 "
+ " WHEN 'int4' THEN 0 "
+ " WHEN 'bigint' THEN 0 "
+ " WHEN 'int8' THEN 0 "
+ " WHEN 'decimal' THEN 0 "
+ " WHEN 'real' THEN 8 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 17 "
+ " WHEN 'float' THEN 17 "
+ " WHEN 'float8' THEN 17 "
+ " WHEN 'time' THEN 6 "
+ " WHEN 'time without time zone' THEN 6 "
+ " WHEN 'timetz' THEN 6 "
+ " WHEN 'time with time zone' THEN 6 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 6 "
+ " WHEN 'timestamp with time zone' THEN 6 "
+ " WHEN 'intervaly2m' THEN 0 "
+ " WHEN 'intervald2s' THEN 6 "
+ " ELSE NULL END AS SMALLINT) AS DECIMAL_DIGITS, "
+ " 10 AS NUM_PREC_RADIX, "
+ " CAST(2 AS SMALLINT) AS NULLABLE, "
+ " CAST('' AS VARCHAR(256)) AS REMARKS, "
+ " NULL AS COLUMN_DEF, "
+ " CAST(CASE pg_catalog.format_type(p.prorettype, NULL)"
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN '\"char\"' THEN 1"
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 6 "
+ " WHEN 'float8' THEN 6 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -16 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " END AS SMALLINT) AS SQL_DATA_TYPE, "
+ " CAST(NULL AS SMALLINT) AS SQL_DATETIME_SUB, "
+ " CAST(NULL AS SMALLINT) AS CHAR_OCTET_LENGTH, "
+ " CAST(0 AS SMALLINT) AS ORDINAL_POSITION, "
+ " CAST('' AS VARCHAR(256)) AS IS_NULLABLE, "
+ " p.proname || '_' || p.prooid AS SPECIFIC_NAME, "
+ " p.prooid as PROOID, "
+ " -1 AS PROARGINDEX "
+ " FROM pg_catalog.pg_proc_info p LEFT JOIN pg_namespace n ON n.oid = p.pronamespace "
+ " WHERE pg_catalog.format_type(p.prorettype, NULL) != 'void' ");
procedureColQuery.append(getCatalogFilterCondition(catalog));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
procedureColQuery.append(" AND n.nspname LIKE " + escapeQuotes(schemaPattern));
}
if (procedureNamePattern != null && !procedureNamePattern.isEmpty()) {
procedureColQuery.append(" AND proname LIKE " + escapeQuotes(procedureNamePattern));
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
procedureColQuery.append(" AND COLUMN_NAME LIKE " + escapeQuotes(columnNamePattern));
}
procedureColQuery.append(" UNION ALL ");
procedureColQuery.append(" SELECT DISTINCT current_database() AS PROCEDURE_CAT, "
+ " PROCEDURE_SCHEM, "
+ " PROCEDURE_NAME, "
+ "CAST(CASE (char_length(COLUMN_NAME) > 0) WHEN 't' THEN COLUMN_NAME "
+ "ELSE '' "
+ "END AS VARCHAR(256)) AS COLUMN_NAME, "
+ " CAST( CASE COLUMN_TYPE "
+ " WHEN 105 THEN 1 "
+ " WHEN 98 THEN 2 "
+ " WHEN 111 THEN 4 "
+ " ELSE 0 END AS SMALLINT) AS COLUMN_TYPE, "
+ " CAST(CASE DATA_TYPE "
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN '\"char\"' THEN 1 "
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 6 "
+ " WHEN 'float8' THEN 6 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -16 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " ELSE 1111 "
+ " END AS SMALLINT) AS DATA_TYPE, "
+ " TYPE_NAME, "
+ " CASE COLUMN_SIZE "
+ " WHEN 'text' THEN COLUMN_BYTES "
+ " WHEN 'varchar' THEN COLUMN_BYTES "
+ " WHEN 'character varying' THEN COLUMN_BYTES "
+ " WHEN '\"char\"' THEN COLUMN_BYTES "
+ " WHEN 'character' THEN COLUMN_BYTES "
+ " WHEN 'nchar' THEN COLUMN_BYTES "
+ " WHEN 'bpchar' THEN COLUMN_BYTES "
+ " WHEN 'nvarchar' THEN COLUMN_BYTES "
+ " WHEN 'date' THEN 10 "
+ " WHEN 'time' THEN 15 "
+ " WHEN 'time without time zone' THEN 15 "
+ " WHEN 'timetz' THEN 21 "
+ " WHEN 'time with time zone' THEN 21 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 35 "
+ " WHEN 'timestamp with time zone' THEN 35 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 10 "
+ " WHEN 'int' THEN 10 "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bigint' THEN 19 "
+ " WHEN 'int8' THEN 19 "
+ " WHEN 'decimal' THEN 38 "
+ " WHEN 'real' THEN 24 "
+ " WHEN 'float4' THEN 53 "
+ " WHEN 'double precision' THEN 53 "
+ " WHEN 'float8' THEN 53 "
+ " WHEN 'float' THEN 53 "
+ " WHEN 'numeric' THEN NUMERIC_PRECISION "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN 4194304 "
+ " WHEN 'varbyte' THEN NULL "
+ " WHEN 'geography' THEN NULL "
+ " WHEN 'intervaly2m' THEN 32 "
+ " WHEN 'intervald2s' THEN 64 "
+ " ELSE " + unknownColumnSize
+ " END AS COLUMN_SIZE, "
+ " CASE LENGTH "
+ " WHEN 'text' THEN COLUMN_BYTES "
+ " WHEN 'varchar' THEN COLUMN_BYTES "
+ " WHEN 'character varying' THEN COLUMN_BYTES "
+ " WHEN '\"char\"' THEN COLUMN_BYTES "
+ " WHEN 'character' THEN COLUMN_BYTES "
+ " WHEN 'nchar' THEN COLUMN_BYTES "
+ " WHEN 'bpchar' THEN COLUMN_BYTES "
+ " WHEN 'nvarchar' THEN COLUMN_BYTES "
+ " WHEN 'date' THEN 6 "
+ " WHEN 'time' THEN 6 "
+ " WHEN 'time without time zone' THEN 6 "
+ " WHEN 'timetz' THEN 6 "
+ " WHEN 'time with time zone' THEN 6 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 6 "
+ " WHEN 'timestamp with time zone' THEN 6 "
+ " WHEN 'smallint' THEN 2 "
+ " WHEN 'int2' THEN 2 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN 20 "
+ " WHEN 'int8' THEN 20 "
+ " WHEN 'decimal' THEN 8 "
+ " WHEN 'real' THEN 4 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 8 "
+ " WHEN 'float8' THEN 8 "
+ " WHEN 'float' THEN 8 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN 4194304 "
+ " WHEN 'varbyte' THEN NULL "
+ " WHEN 'geography' THEN NULL "
+ " WHEN 'intervaly2m' THEN 4 "
+ " WHEN 'intervald2s' THEN 8 "
+ " END AS LENGTH, "
+ " CAST(CASE DECIMAL_DIGITS "
+ " WHEN 'smallint' THEN 0 "
+ " WHEN 'int2' THEN 0 "
+ " WHEN 'integer' THEN 0 "
+ " WHEN 'int' THEN 0 "
+ " WHEN 'int4' THEN 0 "
+ " WHEN 'bigint' THEN 0 "
+ " WHEN 'int8' THEN 0 "
+ " WHEN 'decimal' THEN 0 "
+ " WHEN 'real' THEN 8 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 17 "
+ " WHEN 'float' THEN 17 "
+ " WHEN 'float8' THEN 17 "
+ " WHEN 'numeric' THEN NUMERIC_SCALE "
+ " WHEN 'time' THEN 6 "
+ " WHEN 'time without time zone' THEN 6 "
+ " WHEN 'timetz' THEN 6 "
+ " WHEN 'time with time zone' THEN 6 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 6 "
+ " WHEN 'timestamp with time zone' THEN 6 "
+ " WHEN 'intervaly2m' THEN 0 "
+ " WHEN 'intervald2s' THEN 6 "
+ " ELSE NULL END AS SMALLINT) AS DECIMAL_DIGITS, "
+ " 10 AS NUM_PREC_RADIX, "
+ " CAST(2 AS SMALLINT) AS NULLABLE, "
+ " CAST(''AS VARCHAR(256)) AS REMARKS, "
+ " NULL AS COLUMN_DEF,"
+ " CAST( CASE SQL_DATA_TYPE"
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN '\"char\"' THEN 1 "
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 6 "
+ " WHEN 'float8' THEN 6 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -16 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " END AS SMALLINT) AS SQL_DATA_TYPE, "
+ " CAST(NULL AS SMALLINT) AS SQL_DATETIME_SUB, "
+ " CAST(NULL AS SMALLINT) AS CHAR_OCTET_LENGTH, "
+ " PROARGINDEX AS ORDINAL_POSITION, "
+ " CAST(''AS VARCHAR(256)) AS IS_NULLABLE, "
+ " SPECIFIC_NAME, PROOID, PROARGINDEX "
+ " FROM ( "
+ " SELECT current_database() AS PROCEDURE_CAT,"
+ " n.nspname AS PROCEDURE_SCHEM, "
+ " proname AS PROCEDURE_NAME, "
+ " CASE WHEN (proallargtypes is NULL) THEN proargnames[pos+1] "
+ " ELSE proargnames[pos] END AS COLUMN_NAME,"
+ " CASE WHEN proargmodes is NULL THEN 105 "
+ " ELSE CAST(proargmodes[pos] AS INT) END AS COLUMN_TYPE, "
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS DATA_TYPE,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL) "
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS TYPE_NAME,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS COLUMN_SIZE,"
+ " CASE WHEN (proallargtypes IS NOT NULL) and prokind='p' AND proallargtypes[pos] IN (1042, 1700, 1043) "
+ " THEN (string_to_array(textin(byteaout(substring(probin from 1 for length(probin)-3))),','))[pos]::integer "
+ " WHEN (proallargtypes IS NULL) AND prokind='p' AND proargtypes[pos] IN (1042,1700,1043) "
+ " THEN (string_to_array(textin(byteaout(substring(probin FROM 1 FOR length(probin)-3))), ',')) [pos+1]::integer "
+ " END AS PROBIN_BYTES, "
+ " CASE "
+ " WHEN (PROBIN_BYTES IS NOT NULL) "
+ " AND (proallargtypes[pos] IN (1042, 1043) or proargtypes[pos] in (1042,1043)) "
+ " THEN PROBIN_BYTES-4 "
+ " END AS COLUMN_BYTES, "
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS LENGTH,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS DECIMAL_DIGITS,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS RADIX,"
+ " CAST(2 AS SMALLINT) AS NULLABLE,"
+ " CAST(''AS VARCHAR(256)) AS REMARKS,"
+ " CAST(NULL AS SMALLINT) AS COLUMN_DEF,"
+ " pg_catalog.format_type(proargtypes[pos], NULL) AS SQL_DATA_TYPE,"
+ " CAST(NULL AS SMALLINT) AS SQL_DATETIME_SUB,"
+ " pg_catalog.format_type(proargtypes[pos], NULL) AS CHAR_OCTET_LENGTH,"
+ " CASE WHEN (proallargtypes is NULL) THEN pos+1"
+ " WHEN pos = array_upper(proallargtypes, 1) THEN 0"
+ " ELSE pos END AS ORDINAL_POSITION,"
+ " CAST('' AS VARCHAR(256)) AS IS_NULLABLE,"
+ " p.prooid AS PROOID,"
+ " CASE WHEN (proallargtypes is NULL) THEN pos+1"
+ " WHEN prokind = 'f' AND pos = array_upper(proallargtypes, 1) THEN 0"
+ " ELSE pos END AS PROARGINDEX, "
+ " CASE WHEN (proallargtypes IS NULL AND proargtypes[pos] = 1700 AND prokind='p') OR (proallargtypes IS NOT NULL AND proallargtypes[pos] = 1700 AND prokind='p' AND proallargtypes[pos] = 1700) THEN (PROBIN_BYTES-4)/65536 END as NUMERIC_PRECISION, "
+ " CASE WHEN (proallargtypes IS NULL AND proargtypes[pos] = 1700 AND prokind='p') OR (proallargtypes IS NOT NULL AND proallargtypes[pos] = 1700 AND prokind='p' AND proallargtypes[pos] = 1700) THEN (((PROBIN_BYTES::numeric-4)/65536 - (PROBIN_BYTES-4)/65536) * 65536)::INT END as NUMERIC_SCALE, "
+ " p.proname || '_' || p.prooid AS SPECIFIC_NAME "
+ " FROM (pg_catalog.pg_proc_info p LEFT JOIN pg_namespace n"
+ " ON n.oid = p.pronamespace)"
+ " LEFT JOIN (SELECT "
+ " CASE WHEN (proallargtypes IS NULL) "
+ " THEN generate_series(array_lower(proargnames, 1), array_upper(proargnames, 1))-1"
+ " ELSE generate_series(array_lower(proargnames, 1), array_upper(proargnames, 1)+1)-1 "
+ " END AS pos"
+ " FROM pg_catalog.pg_proc_info p ) AS s ON (pos >= 0)");
procedureColQuery.append(" WHERE true ");
procedureColQuery.append(getCatalogFilterCondition(catalog));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
procedureColQuery.append(" AND n.nspname LIKE " + escapeQuotes(schemaPattern));
}
if (procedureNamePattern != null && !procedureNamePattern.isEmpty()) {
procedureColQuery.append(" AND proname LIKE " + escapeQuotes(procedureNamePattern));
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
procedureColQuery.append(" AND COLUMN_NAME LIKE " + escapeQuotes(columnNamePattern));
}
procedureColQuery.append(" ) AS INPUT_PARAM_TABLE"
+ " WHERE ORDINAL_POSITION IS NOT NULL"
+ " ) AS RESULT_SET WHERE (DATA_TYPE != 1111 OR (TYPE_NAME IS NOT NULL AND TYPE_NAME != '-'))"
+ " ORDER BY PROCEDURE_CAT ,PROCEDURE_SCHEM,"
+ " PROCEDURE_NAME, PROOID, PROARGINDEX, COLUMN_TYPE DESC");
sql = procedureColQuery.toString();
ResultSet rs = createMetaDataStatement().executeQuery(sql);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rs);
return rs;
}
@Override
public ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern,
String[] types) throws SQLException {
String sql = null;
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true, catalog, schemaPattern, tableNamePattern, types);
int schemaPatternType = Optional.ofNullable(connection.getOverrideSchemaPatternType()).orElse(getExtSchemaPatternMatch(schemaPattern));
if (RedshiftLogger.isEnable())
connection.getLogger().logInfo("schemaPatternType = {0}", schemaPatternType);
if (schemaPatternType == LOCAL_SCHEMA_QUERY) {
// Join on pg_catalog
sql = buildLocalSchemaTablesQuery(catalog, schemaPattern, tableNamePattern, types);
}
else if (schemaPatternType == NO_SCHEMA_UNIVERSAL_QUERY) {
if (isSingleDatabaseMetaData()) {
// svv_tables
sql = buildUniversalSchemaTablesQuery(catalog, schemaPattern, tableNamePattern, types);
}
else {
// svv_all_tables
sql = buildUniversalAllSchemaTablesQuery(catalog, schemaPattern, tableNamePattern, types);
}
}
else if (schemaPatternType == EXTERNAL_SCHEMA_QUERY) {
// svv_external_tables
sql = buildExternalSchemaTablesQuery(catalog, schemaPattern, tableNamePattern, types);
}
ResultSet rs = createMetaDataStatement().executeQuery(sql);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rs);
return rs;
}
private String buildLocalSchemaTablesQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String[] types) throws SQLException {
String select;
select = "SELECT CAST(current_database() AS VARCHAR(124)) AS TABLE_CAT, n.nspname AS TABLE_SCHEM, c.relname AS TABLE_NAME, "
+ " CASE n.nspname ~ '^pg_' OR n.nspname = 'information_schema' "
+ " WHEN true THEN CASE "
+ " WHEN n.nspname = 'pg_catalog' OR n.nspname = 'information_schema' THEN CASE c.relkind "
+ " WHEN 'r' THEN 'SYSTEM TABLE' "
+ " WHEN 'v' THEN 'SYSTEM VIEW' "
+ " WHEN 'i' THEN 'SYSTEM INDEX' "
+ " ELSE NULL "
+ " END "
+ " WHEN n.nspname = 'pg_toast' THEN CASE c.relkind "
+ " WHEN 'r' THEN 'SYSTEM TOAST TABLE' "
+ " WHEN 'i' THEN 'SYSTEM TOAST INDEX' "
+ " ELSE NULL "
+ " END "
+ " ELSE CASE c.relkind "
+ " WHEN 'r' THEN 'TEMPORARY TABLE' "
+ " WHEN 'p' THEN 'TEMPORARY TABLE' "
+ " WHEN 'i' THEN 'TEMPORARY INDEX' "
+ " WHEN 'S' THEN 'TEMPORARY SEQUENCE' "
+ " WHEN 'v' THEN 'TEMPORARY VIEW' "
+ " ELSE NULL "
+ " END "
+ " END "
+ " WHEN false THEN CASE c.relkind "
+ " WHEN 'r' THEN 'TABLE' "
+ " WHEN 'p' THEN 'PARTITIONED TABLE' "
+ " WHEN 'i' THEN 'INDEX' "
+ " WHEN 'S' THEN 'SEQUENCE' "
+ " WHEN 'v' THEN 'VIEW' "
+ " WHEN 'c' THEN 'TYPE' "
+ " WHEN 'f' THEN 'FOREIGN TABLE' "
+ " WHEN 'm' THEN 'MATERIALIZED VIEW' "
+ " ELSE NULL "
+ " END "
+ " ELSE NULL "
+ " END "
+ " AS TABLE_TYPE, d.description AS REMARKS, "
+ " '' as TYPE_CAT, '' as TYPE_SCHEM, '' as TYPE_NAME, "
+ "'' AS SELF_REFERENCING_COL_NAME, '' AS REF_GENERATION "
+ " FROM pg_catalog.pg_namespace n, pg_catalog.pg_class c "
+ " LEFT JOIN pg_catalog.pg_description d ON (c.oid = d.objoid AND d.objsubid = 0) "
+ " LEFT JOIN pg_catalog.pg_class dc ON (d.classoid=dc.oid AND dc.relname='pg_class') "
+ " LEFT JOIN pg_catalog.pg_namespace dn ON (dn.oid=dc.relnamespace AND dn.nspname='pg_catalog') "
+ " WHERE c.relnamespace = n.oid ";
String filterClause = getTableFilterClause(catalog, schemaPattern, tableNamePattern, types, LOCAL_SCHEMA_QUERY, true, null);
String orderby = " ORDER BY TABLE_TYPE,TABLE_SCHEM,TABLE_NAME ";
return select + filterClause + orderby;
}
private String getTableFilterClause(String catalog,
String schemaPattern,
String tableNamePattern,
String[] types,
int schemaPatternType,
boolean apiSupportedOnlyForConnectedDatabase,
String databaseColName) throws SQLException {
String filterClause = "";
String useSchemas = "SCHEMAS";
filterClause += getCatalogFilterCondition(catalog, apiSupportedOnlyForConnectedDatabase, databaseColName);
if (schemaPattern != null && !schemaPattern.isEmpty()) {
filterClause += " AND TABLE_SCHEM LIKE " + escapeQuotes(schemaPattern);
}
if (tableNamePattern != null && !tableNamePattern.isEmpty()) {
filterClause += " AND TABLE_NAME LIKE " + escapeQuotes(tableNamePattern);
}
if (types != null) {
if (schemaPatternType == LOCAL_SCHEMA_QUERY) {
filterClause += " AND (false ";
StringBuilder orclause = new StringBuilder();
for (String type : types) {
Map clauses = tableTypeClauses.get(type);
if (clauses != null) {
String clause = clauses.get(useSchemas);
orclause.append(" OR ( ").append(clause).append(" ) ");
}
}
filterClause += orclause.toString() + ") ";
}
else
if (schemaPatternType == NO_SCHEMA_UNIVERSAL_QUERY
|| schemaPatternType == EXTERNAL_SCHEMA_QUERY) {
filterClause += (" AND TABLE_TYPE IN ( ");
int len = types.length;
for (String type : types) {
filterClause += escapeQuotes(type);
len--;
if(len > 0)
filterClause +=", ";
}
filterClause += ") ";
}
}
if (schemaPatternType == LOCAL_SCHEMA_QUERY) {
if (connection.getHideUnprivilegedObjects()) {
filterClause += " AND has_table_privilege(c.oid, "
+ " 'SELECT, INSERT, UPDATE, DELETE, RULE, REFERENCES, TRIGGER')";
}
}
return filterClause;
}
private String buildUniversalSchemaTablesQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String[] types) throws SQLException {
// Basic query, without the join operation and subquery name appended to the end
StringBuilder tableQuery = new StringBuilder(2048);
tableQuery.append("SELECT * FROM (SELECT CAST(current_database() AS VARCHAR(124)) AS TABLE_CAT,"
+ " table_schema AS TABLE_SCHEM,"
+ " table_name AS TABLE_NAME,"
+ " CAST("
+ " CASE table_type"
+ " WHEN 'BASE TABLE' THEN CASE"
+ " WHEN table_schema = 'pg_catalog' OR table_schema = 'information_schema' THEN 'SYSTEM TABLE'"
+ " WHEN table_schema = 'pg_toast' THEN 'SYSTEM TOAST TABLE'"
+ " WHEN table_schema ~ '^pg_' AND table_schema != 'pg_toast' THEN 'TEMPORARY TABLE'"
+ " ELSE 'TABLE'"
+ " END"
+ " WHEN 'VIEW' THEN CASE"
+ " WHEN table_schema = 'pg_catalog' OR table_schema = 'information_schema' THEN 'SYSTEM VIEW'"
+ " WHEN table_schema = 'pg_toast' THEN NULL"
+ " WHEN table_schema ~ '^pg_' AND table_schema != 'pg_toast' THEN 'TEMPORARY VIEW'"
+ " ELSE 'VIEW'"
+ " END"
+ " WHEN 'EXTERNAL TABLE' THEN 'EXTERNAL TABLE'"
+ " END"
+ " AS VARCHAR(124)) AS TABLE_TYPE,"
+ " REMARKS,"
+ " '' as TYPE_CAT,"
+ " '' as TYPE_SCHEM,"
+ " '' as TYPE_NAME, "
+ " '' AS SELF_REFERENCING_COL_NAME,"
+ " '' AS REF_GENERATION "
+ " FROM svv_tables)");
tableQuery.append( " WHERE true ");
String filterClause = getTableFilterClause(catalog, schemaPattern, tableNamePattern, types, NO_SCHEMA_UNIVERSAL_QUERY, true, null);
String orderby = " ORDER BY TABLE_TYPE,TABLE_SCHEM,TABLE_NAME ";
tableQuery.append(filterClause);
tableQuery.append(orderby);
return tableQuery.toString();
}
// Datashare/Cross-db support svv_all_tables view
private String buildUniversalAllSchemaTablesQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String[] types) throws SQLException {
StringBuilder tableQuery = new StringBuilder(2048);
tableQuery.append("SELECT * FROM (SELECT CAST(DATABASE_NAME AS VARCHAR(124)) AS TABLE_CAT,"
+ " SCHEMA_NAME AS TABLE_SCHEM,"
+ " TABLE_NAME AS TABLE_NAME,"
+ " CAST("
+ " CASE "
+ " WHEN SCHEMA_NAME='information_schema' "
+ " AND TABLE_TYPE='TABLE' THEN 'SYSTEM TABLE' "
+ " WHEN SCHEMA_NAME='information_schema' "
+ " AND TABLE_TYPE='VIEW' THEN 'SYSTEM VIEW' "
+ " ELSE TABLE_TYPE "
+ " END "
+ " AS VARCHAR(124)) AS TABLE_TYPE,"
+ " REMARKS,"
+ " '' as TYPE_CAT,"
+ " '' as TYPE_SCHEM,"
+ " '' as TYPE_NAME, "
+ " '' AS SELF_REFERENCING_COL_NAME,"
+ " '' AS REF_GENERATION "
+ " FROM PG_CATALOG.SVV_ALL_TABLES)");
tableQuery.append( " WHERE true ");
String filterClause = getTableFilterClause(catalog, schemaPattern, tableNamePattern, types, NO_SCHEMA_UNIVERSAL_QUERY, false, "TABLE_CAT");
String orderby = " ORDER BY TABLE_TYPE, TABLE_CAT, TABLE_SCHEM, TABLE_NAME ";
tableQuery.append(filterClause);
tableQuery.append(orderby);
return tableQuery.toString();
}
private String buildExternalSchemaTablesQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String[] types) throws SQLException {
// Basic query, without the join operation and subquery name appended to the end
StringBuilder tableQuery = new StringBuilder(2048);
tableQuery
.append("SELECT * FROM (SELECT CAST(current_database() AS VARCHAR(124)) AS TABLE_CAT,"
+ " schemaname AS table_schem,"
+ " tablename AS TABLE_NAME,"
+ " 'EXTERNAL TABLE' AS TABLE_TYPE,"
+ " NULL AS REMARKS,"
+ " '' as TYPE_CAT,"
+ " '' as TYPE_SCHEM,"
+ " '' as TYPE_NAME, "
+ " '' AS SELF_REFERENCING_COL_NAME,"
+ " '' AS REF_GENERATION "
+ " FROM svv_external_tables)");
tableQuery.append( " WHERE true ");
String filterClause = getTableFilterClause(catalog, schemaPattern, tableNamePattern, types, EXTERNAL_SCHEMA_QUERY, true, null);
String orderby = " ORDER BY TABLE_TYPE,TABLE_SCHEM,TABLE_NAME ";
tableQuery.append(filterClause);
tableQuery.append(orderby);
return tableQuery.toString();
}
private static final Map> tableTypeClauses;
static {
tableTypeClauses = new HashMap>();
Map ht = new HashMap();
tableTypeClauses.put("TABLE", ht);
ht.put("SCHEMAS", "c.relkind = 'r' AND n.nspname !~ '^pg_' AND n.nspname <> 'information_schema'");
ht.put("NOSCHEMAS", "c.relkind = 'r' AND c.relname !~ '^pg_'");
/* ht = new HashMap();
tableTypeClauses.put("PARTITIONED TABLE", ht);
ht.put("SCHEMAS", "c.relkind = 'p' AND n.nspname !~ '^pg_' AND n.nspname <> 'information_schema'");
ht.put("NOSCHEMAS", "c.relkind = 'p' AND c.relname !~ '^pg_'");
*/
ht = new HashMap();
tableTypeClauses.put("VIEW", ht);
ht.put("SCHEMAS",
"c.relkind = 'v' AND n.nspname <> 'pg_catalog' AND n.nspname <> 'information_schema'");
ht.put("NOSCHEMAS", "c.relkind = 'v' AND c.relname !~ '^pg_'");
ht = new HashMap();
tableTypeClauses.put("INDEX", ht);
ht.put("SCHEMAS",
"c.relkind = 'i' AND n.nspname !~ '^pg_' AND n.nspname <> 'information_schema'");
ht.put("NOSCHEMAS", "c.relkind = 'i' AND c.relname !~ '^pg_'");
ht = new HashMap();
tableTypeClauses.put("SEQUENCE", ht);
ht.put("SCHEMAS", "c.relkind = 'S'");
ht.put("NOSCHEMAS", "c.relkind = 'S'");
ht = new HashMap();
tableTypeClauses.put("TYPE", ht);
ht.put("SCHEMAS",
"c.relkind = 'c' AND n.nspname !~ '^pg_' AND n.nspname <> 'information_schema'");
ht.put("NOSCHEMAS", "c.relkind = 'c' AND c.relname !~ '^pg_'");
ht = new HashMap();
tableTypeClauses.put("SYSTEM TABLE", ht);
ht.put("SCHEMAS",
"c.relkind = 'r' AND (n.nspname = 'pg_catalog' OR n.nspname = 'information_schema')");
ht.put("NOSCHEMAS",
"c.relkind = 'r' AND c.relname ~ '^pg_' AND c.relname !~ '^pg_toast_' AND c.relname !~ '^pg_temp_'");
ht = new HashMap();
tableTypeClauses.put("SYSTEM TOAST TABLE", ht);
ht.put("SCHEMAS", "c.relkind = 'r' AND n.nspname = 'pg_toast'");
ht.put("NOSCHEMAS", "c.relkind = 'r' AND c.relname ~ '^pg_toast_'");
ht = new HashMap();
tableTypeClauses.put("SYSTEM TOAST INDEX", ht);
ht.put("SCHEMAS", "c.relkind = 'i' AND n.nspname = 'pg_toast'");
ht.put("NOSCHEMAS", "c.relkind = 'i' AND c.relname ~ '^pg_toast_'");
ht = new HashMap();
tableTypeClauses.put("SYSTEM VIEW", ht);
ht.put("SCHEMAS",
"c.relkind = 'v' AND (n.nspname = 'pg_catalog' OR n.nspname = 'information_schema') ");
ht.put("NOSCHEMAS", "c.relkind = 'v' AND c.relname ~ '^pg_'");
ht = new HashMap();
tableTypeClauses.put("SYSTEM INDEX", ht);
ht.put("SCHEMAS",
"c.relkind = 'i' AND (n.nspname = 'pg_catalog' OR n.nspname = 'information_schema') ");
ht.put("NOSCHEMAS",
"c.relkind = 'v' AND c.relname ~ '^pg_' AND c.relname !~ '^pg_toast_' AND c.relname !~ '^pg_temp_'");
ht = new HashMap();
tableTypeClauses.put("TEMPORARY TABLE", ht);
ht.put("SCHEMAS", "c.relkind IN ('r','p') AND n.nspname ~ '^pg_temp_' ");
ht.put("NOSCHEMAS", "c.relkind IN ('r','p') AND c.relname ~ '^pg_temp_' ");
ht = new HashMap();
tableTypeClauses.put("TEMPORARY INDEX", ht);
ht.put("SCHEMAS", "c.relkind = 'i' AND n.nspname ~ '^pg_temp_' ");
ht.put("NOSCHEMAS", "c.relkind = 'i' AND c.relname ~ '^pg_temp_' ");
ht = new HashMap();
tableTypeClauses.put("TEMPORARY VIEW", ht);
ht.put("SCHEMAS", "c.relkind = 'v' AND n.nspname ~ '^pg_temp_' ");
ht.put("NOSCHEMAS", "c.relkind = 'v' AND c.relname ~ '^pg_temp_' ");
ht = new HashMap();
tableTypeClauses.put("TEMPORARY SEQUENCE", ht);
ht.put("SCHEMAS", "c.relkind = 'S' AND n.nspname ~ '^pg_temp_' ");
ht.put("NOSCHEMAS", "c.relkind = 'S' AND c.relname ~ '^pg_temp_' ");
/*
ht = new HashMap();
tableTypeClauses.put("FOREIGN TABLE", ht);
ht.put("SCHEMAS", "c.relkind = 'f'");
ht.put("NOSCHEMAS", "c.relkind = 'f'");
ht = new HashMap();
tableTypeClauses.put("MATERIALIZED VIEW", ht);
ht.put("SCHEMAS", "c.relkind = 'm'");
ht.put("NOSCHEMAS", "c.relkind = 'm'");
*/
tableTypeClauses.put("EXTERNAL TABLE", null);
}
@Override
public ResultSet getSchemas() throws SQLException {
return getSchemas(null, null);
}
@Override
public ResultSet getSchemas(String catalog, String schemaPattern) throws SQLException {
String sql;
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true, catalog, schemaPattern);
if (isSingleDatabaseMetaData()) {
sql = "SELECT nspname AS TABLE_SCHEM, current_database() AS TABLE_CATALOG FROM pg_catalog.pg_namespace "
+ " WHERE nspname <> 'pg_toast' AND (nspname !~ '^pg_temp_' "
+ " OR nspname = (pg_catalog.current_schemas(true))[1]) AND (nspname !~ '^pg_toast_temp_' "
+ " OR nspname = replace((pg_catalog.current_schemas(true))[1], 'pg_temp_', 'pg_toast_temp_')) ";
sql += getCatalogFilterCondition(catalog);
if (schemaPattern != null && !schemaPattern.isEmpty()) {
sql += " AND nspname LIKE " + escapeQuotes(schemaPattern);
}
if (connection.getHideUnprivilegedObjects()) {
sql += " AND has_schema_privilege(nspname, 'USAGE, CREATE')";
}
sql += " ORDER BY TABLE_SCHEM";
}
else {
sql = "SELECT CAST(schema_name AS varchar(124)) AS TABLE_SCHEM, "
+ " CAST(database_name AS varchar(124)) AS TABLE_CATALOG "
+ " FROM PG_CATALOG.SVV_ALL_SCHEMAS "
+ " WHERE TRUE ";
sql += getCatalogFilterCondition(catalog, false, null);
if (schemaPattern != null && !schemaPattern.isEmpty()) {
sql += " AND schema_name LIKE " + escapeQuotes(schemaPattern);
}
sql += " ORDER BY TABLE_CATALOG, TABLE_SCHEM";
}
ResultSet rs = createMetaDataStatement().executeQuery(sql);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rs);
return rs;
}
/**
* Redshift does not support multiple catalogs from a single connection, so to reduce confusion
* we only return the current catalog. {@inheritDoc}
*/
@Override
public ResultSet getCatalogs() throws SQLException {
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true);
String sql;
if (isSingleDatabaseMetaData()) {
// Behavious same as before i.e. returns only single database.
Field[] f = new Field[1];
List v = new ArrayList();
f[0] = new Field("TABLE_CAT", Oid.VARCHAR);
byte[][] tuple = new byte[1][];
tuple[0] = connection.encodeString(connection.getCatalog());
v.add(new Tuple(tuple));
return ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
}
else {
// Datasharing/federation support enable, so get databases using the new view.
sql = "SELECT CAST(database_name AS varchar(124)) AS TABLE_CAT FROM PG_CATALOG.SVV_REDSHIFT_DATABASES ";
}
sql += " ORDER BY TABLE_CAT";
ResultSet rs = createMetaDataStatement().executeQuery(sql);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rs);
return rs;
}
@Override
public ResultSet getTableTypes() throws SQLException {
String[] types = tableTypeClauses.keySet().toArray(new String[0]);
Arrays.sort(types);
Field[] f = new Field[1];
List v = new ArrayList();
f[0] = new Field("TABLE_TYPE", Oid.VARCHAR);
for (String type : types) {
byte[][] tuple = new byte[1][];
tuple[0] = connection.encodeString(type);
v.add(new Tuple(tuple));
}
return ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
}
public ResultSet getColumns(String catalog, String schemaPattern, String tableNamePattern,
String columnNamePattern) throws SQLException
{
String sql = null;
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true, catalog, schemaPattern, tableNamePattern, columnNamePattern);
int schemaPatternType = getExtSchemaPatternMatch(schemaPattern);
if (RedshiftLogger.isEnable())
connection.getLogger().logInfo("schemaPatternType = {0}", schemaPatternType);
if (schemaPatternType == LOCAL_SCHEMA_QUERY) {
// Join on pg_catalog union with pg_late_binding_view
sql = buildLocalSchemaColumnsQuery(catalog, schemaPattern, tableNamePattern, columnNamePattern);
}
else if (schemaPatternType == NO_SCHEMA_UNIVERSAL_QUERY) {
if (isSingleDatabaseMetaData()) {
// svv_columns
sql = buildUniversalSchemaColumnsQuery(catalog, schemaPattern, tableNamePattern, columnNamePattern);
}
else {
// svv_all_columns
sql = buildUniversalAllSchemaColumnsQuery(catalog, schemaPattern, tableNamePattern, columnNamePattern);
}
}
else if (schemaPatternType == EXTERNAL_SCHEMA_QUERY) {
// svv_external_columns
sql = buildExternalSchemaColumnsQuery(catalog, schemaPattern, tableNamePattern, columnNamePattern);
}
ResultSet rs = createMetaDataStatement().executeQuery(sql);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rs);
return rs;
}
private String buildLocalSchemaColumnsQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String columnNamePattern) throws SQLException {
StringBuilder result = new StringBuilder();
result.append("SELECT * FROM ( ");
result.append("SELECT current_database() AS TABLE_CAT, ");
result.append("n.nspname AS TABLE_SCHEM, ");
result.append("c.relname as TABLE_NAME , ");
result.append("a.attname as COLUMN_NAME, " );
result.append("CAST(case typname ");
result.append("when 'text' THEN 12 ");
result.append("when 'bit' THEN -7 ");
result.append("when 'bool' THEN -7 ");
result.append("when 'boolean' THEN -7 ");
result.append("when 'varchar' THEN 12 ");
result.append("when 'character varying' THEN 12 ");
result.append("when 'char' THEN 1 ");
result.append("when '\"char\"' THEN 1 ");
result.append("when 'character' THEN 1 ");
result.append("when 'nchar' THEN 12 ");
result.append("when 'bpchar' THEN 1 ");
result.append("when 'nvarchar' THEN 12 ");
result.append("when 'date' THEN 91 ");
result.append("when 'time' THEN 92 ");
result.append("when 'time without time zone' THEN 92 ");
result.append("when 'timetz' THEN 2013 ");
result.append("when 'time with time zone' THEN 2013 ");
result.append("when 'timestamp' THEN 93 ");
result.append("when 'timestamp without time zone' THEN 93 ");
result.append("when 'timestamptz' THEN 2014 ");
result.append("when 'timestamp with time zone' THEN 2014 ");
result.append("when 'smallint' THEN 5 ");
result.append("when 'int2' THEN 5 ");
result.append("when 'integer' THEN 4 ");
result.append("when 'int' THEN 4 ");
result.append("when 'int4' THEN 4 ");
result.append("when 'bigint' THEN -5 ");
result.append("when 'int8' THEN -5 ");
result.append("when 'decimal' THEN 3 ");
result.append("when 'real' THEN 7 ");
result.append("when 'float4' THEN 7 ");
result.append("when 'double precision' THEN 8 ");
result.append("when 'float8' THEN 8 ");
result.append("when 'float' THEN 6 ");
result.append("when 'numeric' THEN 2 ");
result.append("when '_float4' THEN 2003 ");
result.append("when '_aclitem' THEN 2003 ");
result.append("when '_text' THEN 2003 ");
result.append("when 'bytea' THEN -2 ");
result.append("when 'oid' THEN -5 ");
result.append("when 'name' THEN 12 ");
result.append("when '_int4' THEN 2003 ");
result.append("when '_int2' THEN 2003 ");
result.append("when 'ARRAY' THEN 2003 ");
result.append("when 'geometry' THEN -4 ");
result.append("when 'super' THEN -16 ");
result.append("when 'varbyte' THEN -4 ");
result.append("when 'geography' THEN -4 ");
result.append("when 'intervaly2m' THEN 1111 ");
result.append("when 'intervald2s' THEN 1111 ");
result.append("else 1111 END as SMALLINT) AS DATA_TYPE, ");
result.append("t.typname as TYPE_NAME, ");
result.append("case typname ");
result.append("when 'int4' THEN 10 ");
result.append("when 'bit' THEN 1 ");
result.append("when 'bool' THEN 1 ");
result.append("when 'varchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'character varying' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'char' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'character' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'nchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'bpchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'nvarchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'date' THEN 13 ");
result.append("when 'time' THEN 15 ");
result.append("when 'time without time zone' THEN 15 ");
result.append("when 'timetz' THEN 21 ");
result.append("when 'time with time zone' THEN 21 ");
result.append("when 'timestamp' THEN 29 ");
result.append("when 'timestamp without time zone' THEN 29 ");
result.append("when 'timestamptz' THEN 35 ");
result.append("when 'timestamp with time zone' THEN 35 ");
result.append("when 'smallint' THEN 5 ");
result.append("when 'int2' THEN 5 ");
result.append("when 'integer' THEN 10 ");
result.append("when 'int' THEN 10 ");
result.append("when 'int4' THEN 10 ");
result.append("when 'bigint' THEN 19 ");
result.append("when 'int8' THEN 19 ");
result.append("when 'decimal' then (atttypmod - 4) >> 16 ");
result.append("when 'real' THEN 8 ");
result.append("when 'float4' THEN 8 ");
result.append("when 'double precision' THEN 17 ");
result.append("when 'float8' THEN 17 ");
result.append("when 'float' THEN 17 ");
result.append("when 'numeric' THEN (atttypmod - 4) >> 16 ");
result.append("when '_float4' THEN 8 ");
result.append("when 'oid' THEN 10 ");
result.append("when '_int4' THEN 10 ");
result.append("when '_int2' THEN 5 ");
result.append("when 'geometry' THEN NULL ");
result.append("when 'super' THEN NULL ");
result.append("when 'varbyte' THEN NULL ");
result.append("when 'geography' THEN NULL ");
result.append("when 'intervaly2m' THEN 32 ");
result.append("when 'intervald2s' THEN 64 ");
// if (connSettings.m_unknownLength == null)
{
result.append("else 2147483647 end as COLUMN_SIZE , ");
}
/* else
{
result.append("else ");
result.append(connSettings.m_unknownLength);
result.append(" end as COLUMN_SIZE , ");
} */
result.append("null as BUFFER_LENGTH , ");
result.append("case typname ");
result.append("when 'float4' then 8 ");
result.append("when 'float8' then 17 ");
result.append("when 'numeric' then (atttypmod - 4) & 65535 ");
result.append("when 'time without time zone' then 6 ");
result.append("when 'timetz' then 6 ");
result.append("when 'time with time zone' then 6 ");
result.append("when 'timestamp without time zone' then 6 ");
result.append("when 'timestamp' then 6 ");
result.append("when 'geometry' then NULL ");
result.append("when 'super' then NULL ");
result.append("when 'varbyte' then NULL ");
result.append("when 'geography' then NULL ");
result.append("else 0 end as DECIMAL_DIGITS, ");
result.append("case typname ");
result.append("when 'varbyte' then 2 ");
result.append("when 'geography' then 2 ");
result.append("when 'intervaly2m' then 0 ");
result.append("when 'intervald2s' then 6 ");
result.append("else 10 end as NUM_PREC_RADIX, ");
result.append("case a.attnotnull OR (t.typtype = 'd' AND t.typnotnull) ");
result.append("when 'false' then 1 ");
result.append("when NULL then 2 ");
result.append("else 0 end AS NULLABLE , ");
result.append("dsc.description as REMARKS , ");
result.append("pg_catalog.pg_get_expr(def.adbin, def.adrelid) AS COLUMN_DEF, ");
result.append("CAST(case typname ");
result.append("when 'text' THEN 12 ");
result.append("when 'bit' THEN -7 ");
result.append("when 'bool' THEN -7 ");
result.append("when 'boolean' THEN -7 ");
result.append("when 'varchar' THEN 12 ");
result.append("when 'character varying' THEN 12 ");
result.append("when '\"char\"' THEN 1 ");
result.append("when 'char' THEN 1 ");
result.append("when 'character' THEN 1 ");
result.append("when 'nchar' THEN 1 ");
result.append("when 'bpchar' THEN 1 ");
result.append("when 'nvarchar' THEN 12 ");
result.append("when 'date' THEN 91 ");
result.append("when 'time' THEN 92 ");
result.append("when 'time without time zone' THEN 92 ");
result.append("when 'timetz' THEN 2013 ");
result.append("when 'time with time zone' THEN 2013 ");
result.append("when 'timestamp with time zone' THEN 2014 ");
result.append("when 'timestamp' THEN 93 ");
result.append("when 'timestamp without time zone' THEN 93 ");
result.append("when 'smallint' THEN 5 ");
result.append("when 'int2' THEN 5 ");
result.append("when 'integer' THEN 4 ");
result.append("when 'int' THEN 4 ");
result.append("when 'int4' THEN 4 ");
result.append("when 'bigint' THEN -5 ");
result.append("when 'int8' THEN -5 ");
result.append("when 'decimal' THEN 3 ");
result.append("when 'real' THEN 7 ");
result.append("when 'float4' THEN 7 ");
result.append("when 'double precision' THEN 8 ");
result.append("when 'float8' THEN 8 ");
result.append("when 'float' THEN 6 ");
result.append("when 'numeric' THEN 2 ");
result.append("when '_float4' THEN 2003 ");
result.append("when 'timestamptz' THEN 2014 ");
result.append("when 'timestamp with time zone' THEN 2014 ");
result.append("when '_aclitem' THEN 2003 ");
result.append("when '_text' THEN 2003 ");
result.append("when 'bytea' THEN -2 ");
result.append("when 'oid' THEN -5 ");
result.append("when 'name' THEN 12 ");
result.append("when '_int4' THEN 2003 ");
result.append("when '_int2' THEN 2003 ");
result.append("when 'ARRAY' THEN 2003 ");
result.append("when 'geometry' THEN -4 ");
result.append("when 'super' THEN -16 ");
result.append("when 'varbyte' THEN -4 ");
result.append("when 'geography' THEN -4 ");
result.append("when 'intervaly2m' then 1111 ");
result.append("when 'intervald2s' then 1111 ");
result.append("else 1111 END as SMALLINT) AS SQL_DATA_TYPE, ");
result.append("CAST(NULL AS SMALLINT) as SQL_DATETIME_SUB , ");
result.append("case typname ");
result.append("when 'int4' THEN 10 ");
result.append("when 'bit' THEN 1 ");
result.append("when 'bool' THEN 1 ");
result.append("when 'varchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'character varying' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'char' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'character' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'nchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'bpchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'nvarchar' THEN CASE atttypmod WHEN -1 THEN 0 ELSE atttypmod -4 END ");
result.append("when 'date' THEN 13 ");
result.append("when 'time' THEN 15 ");
result.append("when 'time without time zone' THEN 15 ");
result.append("when 'timetz' THEN 21 ");
result.append("when 'time with time zone' THEN 21 ");
result.append("when 'timestamp' THEN 29 ");
result.append("when 'timestamp without time zone' THEN 29 ");
result.append("when 'timestamptz' THEN 35 ");
result.append("when 'timestamp with time zone' THEN 35 ");
result.append("when 'smallint' THEN 5 ");
result.append("when 'int2' THEN 5 ");
result.append("when 'integer' THEN 10 ");
result.append("when 'int' THEN 10 ");
result.append("when 'int4' THEN 10 ");
result.append("when 'bigint' THEN 19 ");
result.append("when 'int8' THEN 19 ");
result.append("when 'decimal' then ((atttypmod - 4) >> 16) & 65535 ");
result.append("when 'real' THEN 8 ");
result.append("when 'float4' THEN 8 ");
result.append("when 'double precision' THEN 17 ");
result.append("when 'float8' THEN 17 ");
result.append("when 'float' THEN 17 ");
result.append("when 'numeric' THEN ((atttypmod - 4) >> 16) & 65535 ");
result.append("when '_float4' THEN 8 ");
result.append("when 'oid' THEN 10 ");
result.append("when '_int4' THEN 10 ");
result.append("when '_int2' THEN 5 ");
result.append("when 'geometry' THEN NULL ");
result.append("when 'super' THEN NULL ");
result.append("when 'varbyte' THEN NULL ");
result.append("when 'geography' THEN NULL ");
result.append("when 'intervaly2m' THEN 32 ");
result.append("when 'intervald2s' THEN 64 ");
// if (connSettings.m_unknownLength == null)
{
result.append("else 2147483647 end as CHAR_OCTET_LENGTH , ");
}
/* else
{
result.append("else ");
result.append(connSettings.m_unknownLength);
result.append(" end as CHAR_OCTET_LENGTH , ");
} */
result.append("a.attnum AS ORDINAL_POSITION, ");
result.append("case a.attnotnull OR (t.typtype = 'd' AND t.typnotnull) ");
result.append("when 'false' then 'YES' ");
result.append("when NULL then '' ");
result.append("else 'NO' end AS IS_NULLABLE, ");
result.append("null as SCOPE_CATALOG , ");
result.append("null as SCOPE_SCHEMA , ");
result.append("null as SCOPE_TABLE, ");
result.append("t.typbasetype AS SOURCE_DATA_TYPE , ");
result.append("CASE WHEN left(pg_catalog.pg_get_expr(def.adbin, def.adrelid), 16) = 'default_identity' THEN 'YES' ");
result.append("ELSE 'NO' END AS IS_AUTOINCREMENT, ");
result.append("IS_AUTOINCREMENT AS IS_GENERATEDCOLUMN ");
result.append("FROM pg_catalog.pg_namespace n JOIN pg_catalog.pg_class c ON (c.relnamespace = n.oid) ");
result.append("JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid) ");
result.append("JOIN pg_catalog.pg_type t ON (a.atttypid = t.oid) ");
result.append("LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND a.attnum = def.adnum) ");
result.append("LEFT JOIN pg_catalog.pg_description dsc ON (c.oid=dsc.objoid AND a.attnum = dsc.objsubid) ");
result.append("LEFT JOIN pg_catalog.pg_class dc ON (dc.oid=dsc.classoid AND dc.relname='pg_class') ");
result.append("LEFT JOIN pg_catalog.pg_namespace dn ON (dc.relnamespace=dn.oid AND dn.nspname='pg_catalog') ");
result.append("WHERE a.attnum > 0 AND NOT a.attisdropped ");
result.append(getCatalogFilterCondition(catalog));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
result.append(" AND n.nspname LIKE " + escapeQuotes(schemaPattern));
}
if (tableNamePattern != null && !tableNamePattern.isEmpty()) {
result.append(" AND c.relname LIKE " + escapeQuotes(tableNamePattern));
}
/* if (connection.haveMinimumServerVersion(ServerVersion.v8_4)) {
sql += ") c WHERE true ";
} */
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
result.append(" AND attname LIKE " + escapeQuotes(columnNamePattern));
}
result.append(" ORDER BY TABLE_SCHEM,c.relname,attnum ) ");
// This part uses redshift method PG_GET_LATE_BINDING_VIEW_COLS() to
// get the column list for late binding view.
result.append(" UNION ALL ");
result.append("SELECT current_database()::VARCHAR(128) AS TABLE_CAT, ");
result.append("schemaname::varchar(128) AS table_schem, ");
result.append("tablename::varchar(128) AS table_name, ");
result.append("columnname::varchar(128) AS column_name, ");
result.append("CAST(CASE columntype_rep ");
result.append("WHEN 'text' THEN 12 ");
result.append("WHEN 'bit' THEN -7 ");
result.append("WHEN 'bool' THEN -7 ");
result.append("WHEN 'boolean' THEN -7 ");
result.append("WHEN 'varchar' THEN 12 ");
result.append("WHEN 'character varying' THEN 12 ");
result.append("WHEN 'char' THEN 1 ");
result.append("WHEN 'character' THEN 1 ");
result.append("WHEN 'nchar' THEN 1 ");
result.append("WHEN 'bpchar' THEN 1 ");
result.append("WHEN 'nvarchar' THEN 12 ");
result.append("WHEN '\"char\"' THEN 1 ");
result.append("WHEN 'date' THEN 91 ");
result.append("when 'time' THEN 92 ");
result.append("when 'time without time zone' THEN 92 ");
result.append("when 'timetz' THEN 2013 ");
result.append("when 'time with time zone' THEN 2013 ");
result.append("WHEN 'timestamp' THEN 93 ");
result.append("WHEN 'timestamp without time zone' THEN 93 ");
result.append("when 'timestamptz' THEN 2014 ");
result.append("WHEN 'timestamp with time zone' THEN 2014 ");
result.append("WHEN 'smallint' THEN 5 ");
result.append("WHEN 'int2' THEN 5 ");
result.append("WHEN 'integer' THEN 4 ");
result.append("WHEN 'int' THEN 4 ");
result.append("WHEN 'int4' THEN 4 ");
result.append("WHEN 'bigint' THEN -5 ");
result.append("WHEN 'int8' THEN -5 ");
result.append("WHEN 'decimal' THEN 3 ");
result.append("WHEN 'real' THEN 7 ");
result.append("WHEN 'float4' THEN 7 ");
result.append("WHEN 'double precision' THEN 8 ");
result.append("WHEN 'float8' THEN 8 ");
result.append("WHEN 'float' THEN 6 ");
result.append("WHEN 'numeric' THEN 2 ");
result.append("WHEN 'timestamptz' THEN 2014 ");
result.append("WHEN 'bytea' THEN -2 ");
result.append("WHEN 'oid' THEN -5 ");
result.append("WHEN 'name' THEN 12 ");
result.append("WHEN 'ARRAY' THEN 2003 ");
result.append("WHEN 'geometry' THEN -4 ");
result.append("WHEN 'super' THEN -16 ");
result.append("WHEN 'varbyte' THEN -4 ");
result.append("WHEN 'geography' THEN -4 ");
result.append("WHEN 'intervaly2m' THEN 1111 ");
result.append("WHEN 'intervald2s' THEN 1111 ");
result.append("ELSE 1111 END AS SMALLINT) AS DATA_TYPE, ");
result.append("COALESCE(NULL,CASE columntype WHEN 'boolean' THEN 'bool' ");
result.append("WHEN 'character varying' THEN 'varchar' ");
result.append("WHEN '\"char\"' THEN 'char' ");
result.append("WHEN 'smallint' THEN 'int2' ");
result.append("WHEN 'integer' THEN 'int4'");
result.append("WHEN 'bigint' THEN 'int8' ");
result.append("WHEN 'real' THEN 'float4' ");
result.append("WHEN 'double precision' THEN 'float8' ");
result.append("WHEN 'time without time zone' THEN 'time' ");
result.append("WHEN 'time with time zone' THEN 'timetz' ");
result.append("WHEN 'timestamp without time zone' THEN 'timestamp' ");
result.append("WHEN 'timestamp with time zone' THEN 'timestamptz' ");
result.append("ELSE columntype END) AS TYPE_NAME, ");
result.append("CASE columntype_rep ");
result.append("WHEN 'int4' THEN 10 ");
result.append("WHEN 'bit' THEN 1 ");
result.append("WHEN 'bool' THEN 1");
result.append("WHEN 'boolean' THEN 1");
result.append("WHEN 'varchar' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN 'character varying' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN 'char' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',4),''),'0')::INTEGER ");
result.append("WHEN 'character' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',4),''),'0')::INTEGER ");
result.append("WHEN 'nchar' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN 'bpchar' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN 'nvarchar' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN 'date' THEN 13 ");
result.append("WHEN 'time' THEN 15 ");
result.append("WHEN 'time without time zone' THEN 15 ");
result.append("WHEN 'timetz' THEN 21 ");
result.append("WHEN 'timestamp' THEN 29 ");
result.append("WHEN 'timestamp without time zone' THEN 29 ");
result.append("WHEN 'time with time zone' THEN 21 ");
result.append("WHEN 'timestamptz' THEN 35 ");
result.append("WHEN 'timestamp with time zone' THEN 35 ");
result.append("WHEN 'smallint' THEN 5 ");
result.append("WHEN 'int2' THEN 5 ");
result.append("WHEN 'integer' THEN 10 ");
result.append("WHEN 'int' THEN 10 ");
result.append("WHEN 'int4' THEN 10 ");
result.append("WHEN 'bigint' THEN 19 ");
result.append("WHEN 'int8' THEN 19 ");
result.append("WHEN 'decimal' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN 'real' THEN 8 ");
result.append("WHEN 'float4' THEN 8 ");
result.append("WHEN 'double precision' THEN 17 ");
result.append("WHEN 'float8' THEN 17 ");
result.append("WHEN 'float' THEN 17");
result.append("WHEN 'numeric' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN '_float4' THEN 8 ");
result.append("WHEN 'oid' THEN 10 ");
result.append("WHEN '_int4' THEN 10 ");
result.append("WHEN '_int2' THEN 5 ");
result.append("WHEN 'geometry' THEN NULL ");
result.append("WHEN 'super' THEN NULL ");
result.append("WHEN 'varbyte' THEN NULL ");
result.append("WHEN 'geography' THEN NULL ");
result.append("WHEN 'intervaly2m' THEN 32 ");
result.append("WHEN 'intervald2s' THEN 64 ");
result.append("ELSE 2147483647 END AS COLUMN_SIZE, ");
result.append("NULL AS BUFFER_LENGTH, ");
result.append("CASE REGEXP_REPLACE(columntype,'[()0-9,]') ");
result.append("WHEN 'real' THEN 8 ");
result.append("WHEN 'float4' THEN 8 ");
result.append("WHEN 'double precision' THEN 17 ");
result.append("WHEN 'float8' THEN 17 ");
result.append("WHEN 'timestamp' THEN 6 ");
result.append("WHEN 'timestamp without time zone' THEN 6 ");
result.append("WHEN 'geometry' THEN NULL ");
result.append("WHEN 'super' THEN NULL ");
result.append("WHEN 'numeric' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',charindex (',',columntype)),''),'0')::INTEGER ");
result.append("WHEN 'varbyte' THEN NULL ");
result.append("WHEN 'geography' THEN NULL ");
result.append("ELSE 0 END AS DECIMAL_DIGITS, ");
result.append("CASE columntype ");
result.append("WHEN 'varbyte' THEN 2 ");
result.append("WHEN 'geography' THEN 2 ");
result.append("ELSE 10 END AS NUM_PREC_RADIX, ");
result.append("NULL AS NULLABLE, NULL AS REMARKS, NULL AS COLUMN_DEF, ");
result.append("CAST(CASE columntype_rep ");
result.append("WHEN 'text' THEN 12 ");
result.append("WHEN 'bit' THEN -7 ");
result.append("WHEN 'bool' THEN -7 ");
result.append("WHEN 'boolean' THEN -7 ");
result.append("WHEN 'varchar' THEN 12 ");
result.append("WHEN 'character varying' THEN 12 ");
result.append("WHEN 'char' THEN 1 ");
result.append("WHEN 'character' THEN 1 ");
result.append("WHEN 'nchar' THEN 12 ");
result.append("WHEN 'bpchar' THEN 1 ");
result.append("WHEN 'nvarchar' THEN 12 ");
result.append("WHEN '\"char\"' THEN 1 ");
result.append("WHEN 'date' THEN 91 ");
result.append("WHEN 'time' THEN 92 ");
result.append("WHEN 'time without time zone' THEN 92 ");
result.append("WHEN 'timetz' THEN 2013 ");
result.append("WHEN 'time with time zone' THEN 2013 ");
result.append("WHEN 'timestamp' THEN 93 ");
result.append("WHEN 'timestamp without time zone' THEN 93 ");
result.append("WHEN 'timestamptz' THEN 2014 ");
result.append("WHEN 'timestamp with time zone' THEN 2014 ");
result.append("WHEN 'smallint' THEN 5 ");
result.append("WHEN 'int2' THEN 5 ");
result.append("WHEN 'integer' THEN 4 ");
result.append("WHEN 'int' THEN 4 ");
result.append("WHEN 'int4' THEN 4 ");
result.append("WHEN 'bigint' THEN -5 ");
result.append("WHEN 'int8' THEN -5 ");
result.append("WHEN 'decimal' THEN 3 ");
result.append("WHEN 'real' THEN 7 ");
result.append("WHEN 'float4' THEN 7 ");
result.append("WHEN 'double precision' THEN 8 ");
result.append("WHEN 'float8' THEN 8 ");
result.append("WHEN 'float' THEN 6 ");
result.append("WHEN 'numeric' THEN 2 ");
result.append("WHEN 'bytea' THEN -2 ");
result.append("WHEN 'oid' THEN -5 ");
result.append("WHEN 'name' THEN 12 ");
result.append("WHEN 'ARRAY' THEN 2003 ");
result.append("WHEN 'geometry' THEN -4 ");
result.append("WHEN 'super' THEN -16 ");
result.append("WHEN 'varbyte' THEN -4 ");
result.append("WHEN 'geography' THEN -4 ");
result.append("WHEN 'intervaly2m' THEN 1111 ");
result.append("WHEN 'intervald2s' THEN 1111 ");
result.append("ELSE 1111 END AS SMALLINT) AS SQL_DATA_TYPE, ");
result.append("CAST(NULL AS SMALLINT) AS SQL_DATETIME_SUB, CASE ");
result.append("WHEN LEFT (columntype,7) = 'varchar' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',7),''),'0')::INTEGER ");
result.append("WHEN LEFT (columntype,4) = 'char' THEN isnull(nullif(regexp_substr (columntype,'[0-9]+',4),''),'0')::INTEGER ");
result.append("WHEN columntype = 'string' THEN 16383 ELSE NULL ");
result.append("END AS CHAR_OCTET_LENGTH, columnnum AS ORDINAL_POSITION, ");
result.append("NULL AS IS_NULLABLE, NULL AS SCOPE_CATALOG, NULL AS SCOPE_SCHEMA, ");
result.append("NULL AS SCOPE_TABLE, NULL AS SOURCE_DATA_TYPE, 'NO' AS IS_AUTOINCREMENT, ");
result.append("'NO' as IS_GENERATEDCOLUMN ");
result.append("FROM (select lbv_cols.schemaname, ");
result.append("lbv_cols.tablename, lbv_cols.columnname,");
result.append("REGEXP_REPLACE(REGEXP_REPLACE(lbv_cols.columntype,'\\\\(.*\\\\)'),'^_.+','ARRAY') as columntype_rep,");
result.append("columntype, ");
result.append("lbv_cols.columnnum ");
result.append("from pg_get_late_binding_view_cols() lbv_cols( ");
result.append("schemaname name, tablename name, columnname name, ");
result.append("columntype text, columnnum int)) lbv_columns ");
result.append(" WHERE true ");
// Apply the filters to the column list for late binding view.
result.append(getCatalogFilterCondition(catalog));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
result.append(" AND schemaname LIKE " + escapeQuotes(schemaPattern));
}
if (tableNamePattern != null && !tableNamePattern.isEmpty()) {
result.append(" AND tablename LIKE " + escapeQuotes(tableNamePattern));
}
/* if (connection.haveMinimumServerVersion(ServerVersion.v8_4)) {
sql += ") c WHERE true ";
} */
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
result.append(" AND columnname LIKE " + escapeQuotes(columnNamePattern));
}
return result.toString();
}
private String buildUniversalAllSchemaColumnsQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String columnNamePattern) throws SQLException {
final String unknownColumnSize = "2147483647";
StringBuilder result = new StringBuilder(8192);
result.append("SELECT database_name AS TABLE_CAT, "
+ " schema_name AS TABLE_SCHEM, "
+ " table_name, "
+ " COLUMN_NAME, "
+ " CAST(CASE regexp_replace(data_type, '^_.', 'ARRAY') "
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN '\"char\"' THEN 1 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 8 "
+ " WHEN 'float8' THEN 8 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -16 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " ELSE 1111 END AS SMALLINT) AS DATA_TYPE, "
+ " CASE data_type "
+ " WHEN 'boolean' THEN 'bool' "
+ " WHEN 'character varying' THEN 'varchar' "
+ " WHEN '\"char\"' THEN 'char' "
+ " WHEN 'smallint' THEN 'int2' "
+ " WHEN 'integer' THEN 'int4' "
+ " WHEN 'bigint' THEN 'int8' "
+ " WHEN 'real' THEN 'float4' "
+ " WHEN 'double precision' THEN 'float8' "
+ " WHEN 'time without time zone' THEN 'time' "
+ " WHEN 'time with time zone' THEN 'timetz' "
+ " WHEN 'timestamp without time zone' THEN 'timestamp' "
+ " WHEN 'timestamp with time zone' THEN 'timestamptz' "
+ " ELSE data_type "
+ " END AS TYPE_NAME, "
+ " CASE data_type "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bit' THEN 1 "
+ " WHEN 'bool' THEN 1 "
+ " WHEN 'boolean' THEN 1 "
+ " WHEN 'varchar' THEN character_maximum_length "
+ " WHEN 'character varying' THEN character_maximum_length "
+ " WHEN 'char' THEN character_maximum_length "
+ " WHEN 'character' THEN character_maximum_length "
+ " WHEN 'nchar' THEN character_maximum_length "
+ " WHEN 'bpchar' THEN character_maximum_length "
+ " WHEN 'nvarchar' THEN character_maximum_length "
+ " WHEN 'date' THEN 13 "
+ " WHEN 'time' THEN 15 "
+ " WHEN 'time without time zone' THEN 15 "
+ " WHEN 'timetz' THEN 21 "
+ " WHEN 'time with time zone' THEN 21 "
+ " WHEN 'timestamp' THEN 29 "
+ " WHEN 'timestamp without time zone' THEN 29 "
+ " WHEN 'timestamptz' THEN 35 "
+ " WHEN 'timestamp with time zone' THEN 35 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 10 "
+ " WHEN 'int' THEN 10 "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bigint' THEN 19 "
+ " WHEN 'int8' THEN 19 "
+ " WHEN 'decimal' THEN numeric_precision "
+ " WHEN 'real' THEN 8 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 17 "
+ " WHEN 'float8' THEN 17 "
+ " WHEN 'float' THEN 17 "
+ " WHEN 'numeric' THEN numeric_precision "
+ " WHEN '_float4' THEN 8 "
+ " WHEN 'oid' THEN 10 "
+ " WHEN '_int4' THEN 10 "
+ " WHEN '_int2' THEN 5 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN NULL "
+ " WHEN 'varbyte' THEN NULL "
+ " WHEN 'geography' THEN NULL "
+ " WHEN 'intervaly2m' THEN 32 "
+ " WHEN 'intervald2s' THEN 64 "
+ " ELSE 2147483647 "
+ " END AS COLUMN_SIZE, "
+ " NULL AS BUFFER_LENGTH, "
+ " CASE data_type "
+ " WHEN 'real' THEN 8 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 17 "
+ " WHEN 'float8' THEN 17 "
+ " WHEN 'numeric' THEN numeric_scale "
+ " WHEN 'time' THEN 6 "
+ " WHEN 'time without time zone' THEN 6 "
+ " WHEN 'timetz' THEN 6 "
+ " WHEN 'time with time zone' THEN 6 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 6 "
+ " WHEN 'timestamp with time zone' THEN 6 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN NULL "
+ " WHEN 'varbyte' THEN NULL "
+ " WHEN 'geography' THEN NULL "
+ " WHEN 'intervaly2m' THEN 0 "
+ " WHEN 'intervald2s' THEN 6 "
+ " ELSE 0 "
+ " END AS DECIMAL_DIGITS, "
+ " CASE data_type "
+ " WHEN 'varbyte' THEN 2 "
+ " WHEN 'geography' THEN 2 "
+ " ELSE 10 "
+ " END AS NUM_PREC_RADIX, "
+ " CASE is_nullable WHEN 'YES' THEN 1 "
+ " WHEN 'NO' THEN 0 "
+ " ELSE 2 end AS NULLABLE, "
+ " REMARKS, "
+ " column_default AS COLUMN_DEF, "
+ " CAST(CASE regexp_replace(data_type, '^_.', 'ARRAY') "
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN '\"char\"' THEN 1 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 8 "
+ " WHEN 'float8' THEN 8 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -16 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " ELSE 1111 END AS SMALLINT) AS SQL_DATA_TYPE, "
+ " CAST(NULL AS SMALLINT) AS SQL_DATETIME_SUB, "
+ " CASE data_type "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bit' THEN 1 "
+ " WHEN 'bool' THEN 1 "
+ " WHEN 'boolean' THEN 1 "
+ " WHEN 'varchar' THEN character_maximum_length "
+ " WHEN 'character varying' THEN character_maximum_length "
+ " WHEN 'char' THEN character_maximum_length "
+ " WHEN 'character' THEN character_maximum_length "
+ " WHEN 'nchar' THEN character_maximum_length "
+ " WHEN 'bpchar' THEN character_maximum_length "
+ " WHEN 'nvarchar' THEN character_maximum_length "
+ " WHEN 'date' THEN 13 "
+ " WHEN 'time' THEN 15 "
+ " WHEN 'time without time zone' THEN 15 "
+ " WHEN 'timetz' THEN 21 "
+ " WHEN 'time with time zone' THEN 21 "
+ " WHEN 'timestamp' THEN 29 "
+ " WHEN 'timestamp without time zone' THEN 29 "
+ " WHEN 'timestamptz' THEN 35 "
+ " WHEN 'timestamp with time zone' THEN 35 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 10 "
+ " WHEN 'int' THEN 10 "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bigint' THEN 19 "
+ " WHEN 'int8' THEN 19 "
+ " WHEN 'decimal' THEN numeric_precision "
+ " WHEN 'real' THEN 8 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 17 "
+ " WHEN 'float8' THEN 17 "
+ " WHEN 'float' THEN 17 "
+ " WHEN 'numeric' THEN numeric_precision "
+ " WHEN '_float4' THEN 8 "
+ " WHEN 'oid' THEN 10 "
+ " WHEN '_int4' THEN 10 "
+ " WHEN '_int2' THEN 5 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN NULL "
+ " WHEN 'varbyte' THEN NULL "
+ " WHEN 'geography' THEN NULL "
+ " WHEN 'intervaly2m' THEN 32 "
+ " WHEN 'intervald2s' THEN 64 "
+ " ELSE 2147483647 "
+ " END AS CHAR_OCTET_LENGTH, "
+ " ordinal_position AS ORDINAL_POSITION, "
+ " is_nullable AS IS_NULLABLE, "
+ " NULL AS SCOPE_CATALOG, "
+ " NULL AS SCOPE_SCHEMA, "
+ " NULL AS SCOPE_TABLE, "
+ " data_type as SOURCE_DATA_TYPE, "
+ " CASE WHEN left(column_default, 10) = '\"identity\"' THEN 'YES' "
+ " WHEN left(column_default, 16) = 'default_identity' THEN 'YES' "
+ " ELSE 'NO' END AS IS_AUTOINCREMENT, "
+ " IS_AUTOINCREMENT AS IS_GENERATEDCOLUMN "
+ " FROM PG_CATALOG.svv_all_columns ");
result.append( " WHERE true ");
result.append(getCatalogFilterCondition(catalog, false, null));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
result.append(" AND schema_name LIKE " + escapeQuotes(schemaPattern));
}
if (tableNamePattern != null && !tableNamePattern.isEmpty()) {
result.append(" AND table_name LIKE " + escapeQuotes(tableNamePattern));
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
result.append(" AND COLUMN_NAME LIKE " + escapeQuotes(columnNamePattern));
}
result.append(" ORDER BY TABLE_CAT, TABLE_SCHEM, TABLE_NAME, ORDINAL_POSITION ");
return result.toString();
}
private String buildUniversalSchemaColumnsQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String columnNamePattern) throws SQLException {
final String unknownColumnSize = "2147483647";
StringBuilder result = new StringBuilder(8192);
// NOTE: Explicit cast on current_database() prevents bug where data returned from server
// has incorrect length and displays random characters. [JDBC-529]
result.append("SELECT current_database()::varchar(128) AS TABLE_CAT,"
+ " table_schema AS TABLE_SCHEM,"
+ " table_name,"
+ " COLUMN_NAME,"
+ " CAST(CASE regexp_replace(data_type, '^_.+', 'ARRAY')"
+ " WHEN 'text' THEN 12"
+ " WHEN 'bit' THEN -7"
+ " WHEN 'bool' THEN -7"
+ " WHEN 'boolean' THEN -7"
+ " WHEN 'varchar' THEN 12"
+ " WHEN 'character varying' THEN 12"
+ " WHEN 'char' THEN 1"
+ " WHEN 'character' THEN 1"
+ " WHEN 'nchar' THEN 1"
+ " WHEN 'bpchar' THEN 1"
+ " WHEN 'nvarchar' THEN 12"
+ " WHEN '\"char\"' THEN 1"
+ " WHEN 'date' THEN 91"
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93"
+ " WHEN 'timestamp without time zone' THEN 93"
+ " WHEN 'timestamptz' THEN 2014"
+ " WHEN 'timestamp with time zone' THEN 2014"
+ " WHEN 'smallint' THEN 5"
+ " WHEN 'int2' THEN 5"
+ " WHEN 'integer' THEN 4"
+ " WHEN 'int' THEN 4"
+ " WHEN 'int4' THEN 4"
+ " WHEN 'bigint' THEN -5"
+ " WHEN 'int8' THEN -5"
+ " WHEN 'decimal' THEN 3"
+ " WHEN 'real' THEN 7"
+ " WHEN 'float4' THEN 7"
+ " WHEN 'double precision' THEN 8"
+ " WHEN 'float8' THEN 8"
+ " WHEN 'float' THEN 6"
+ " WHEN 'numeric' THEN 2"
+ " WHEN 'bytea' THEN -2"
+ " WHEN 'oid' THEN -5"
+ " WHEN 'name' THEN 12"
+ " WHEN 'ARRAY' THEN 2003"
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -16 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " ELSE 1111 END AS SMALLINT) AS DATA_TYPE,"
+ " COALESCE("
+ " domain_name,"
+ " CASE data_type"
+ " WHEN 'boolean' THEN 'bool'"
+ " WHEN 'character varying' THEN 'varchar'"
+ " WHEN '\"char\"' THEN 'char'"
+ " WHEN 'smallint' THEN 'int2'"
+ " WHEN 'integer' THEN 'int4'"
+ " WHEN 'bigint' THEN 'int8'"
+ " WHEN 'real' THEN 'float4'"
+ " WHEN 'double precision' THEN 'float8'"
+ " WHEN 'time without time zone' THEN 'time'"
+ " WHEN 'time with time zone' THEN 'timetz'"
+ " WHEN 'timestamp without time zone' THEN 'timestamp'"
+ " WHEN 'timestamp with time zone' THEN 'timestamptz'"
+ " ELSE data_type"
+ " END) AS TYPE_NAME,"
+ " CASE data_type"
+ " WHEN 'int4' THEN 10"
+ " WHEN 'bit' THEN 1"
+ " WHEN 'bool' THEN 1"
+ " WHEN 'boolean' THEN 1"
+ " WHEN 'varchar' THEN character_maximum_length"
+ " WHEN 'character varying' THEN character_maximum_length"
+ " WHEN 'char' THEN character_maximum_length"
+ " WHEN 'character' THEN character_maximum_length"
+ " WHEN 'nchar' THEN character_maximum_length"
+ " WHEN 'bpchar' THEN character_maximum_length"
+ " WHEN 'nvarchar' THEN character_maximum_length"
+ " WHEN 'date' THEN 13"
+ " WHEN 'time' THEN 15 "
+ " WHEN 'time without time zone' THEN 15 "
+ " WHEN 'timetz' THEN 21 "
+ " WHEN 'time with time zone' THEN 21 "
+ " WHEN 'timestamp' THEN 29"
+ " WHEN 'timestamp without time zone' THEN 29"
+ " WHEN 'timestamptz' THEN 35"
+ " WHEN 'timestamp with time zone' THEN 35"
+ " WHEN 'smallint' THEN 5"
+ " WHEN 'int2' THEN 5"
+ " WHEN 'integer' THEN 10"
+ " WHEN 'int' THEN 10"
+ " WHEN 'int4' THEN 10"
+ " WHEN 'bigint' THEN 19"
+ " WHEN 'int8' THEN 19"
+ " WHEN 'decimal' THEN numeric_precision"
+ " WHEN 'real' THEN 8"
+ " WHEN 'float4' THEN 8"
+ " WHEN 'double precision' THEN 17"
+ " WHEN 'float8' THEN 17"
+ " WHEN 'float' THEN 17"
+ " WHEN 'numeric' THEN numeric_precision"
+ " WHEN '_float4' THEN 8"
+ " WHEN 'oid' THEN 10"
+ " WHEN '_int4' THEN 10"
+ " WHEN '_int2' THEN 5"
+ " WHEN 'geometry' THEN NULL"
+ " WHEN 'super' THEN NULL"
+ " WHEN 'varbyte' THEN NULL"
+ " WHEN 'geography' THEN NULL"
+ " WHEN 'intervaly2m' THEN 32 "
+ " WHEN 'intervald2s' THEN 64 "
+ " ELSE " + unknownColumnSize
+ " END AS COLUMN_SIZE,"
+ " NULL AS BUFFER_LENGTH,"
+ " CASE data_type"
+ " WHEN 'real' THEN 8"
+ " WHEN 'float4' THEN 8"
+ " WHEN 'double precision' THEN 17"
+ " WHEN 'float8' THEN 17"
+ " WHEN 'numeric' THEN numeric_scale"
+ " WHEN 'time' THEN 6"
+ " WHEN 'time without time zone' THEN 6"
+ " WHEN 'timetz' THEN 6"
+ " WHEN 'time with time zone' THEN 6"
+ " WHEN 'timestamp' THEN 6"
+ " WHEN 'timestamp without time zone' THEN 6"
+ " WHEN 'timestamptz' THEN 6"
+ " WHEN 'timestamp with time zone' THEN 6"
+ " WHEN 'geometry' THEN NULL"
+ " WHEN 'super' THEN NULL"
+ " WHEN 'varbyte' THEN NULL"
+ " WHEN 'geography' THEN NULL"
+ " WHEN 'intervaly2m' THEN 0 "
+ " WHEN 'intervald2s' THEN 6 "
+ " ELSE 0"
+ " END AS DECIMAL_DIGITS,"
+ " CASE data_type"
+ " WHEN 'varbyte' THEN 2"
+ " WHEN 'geography' THEN 2"
+ " ELSE 10"
+ " END AS NUM_PREC_RADIX,"
+ " CASE is_nullable WHEN 'YES' THEN 1"
+ " WHEN 'NO' THEN 0"
+ " ELSE 2 end AS NULLABLE,"
+ " REMARKS,"
+ " column_default AS COLUMN_DEF,"
+ " CAST(CASE regexp_replace(data_type, '^_.+', 'ARRAY')"
+ " WHEN 'text' THEN 12"
+ " WHEN 'bit' THEN -7"
+ " WHEN 'bool' THEN -7"
+ " WHEN 'boolean' THEN -7"
+ " WHEN 'varchar' THEN 12"
+ " WHEN 'character varying' THEN 12"
+ " WHEN 'char' THEN 1"
+ " WHEN 'character' THEN 1"
+ " WHEN 'nchar' THEN 1"
+ " WHEN 'bpchar' THEN 1"
+ " WHEN 'nvarchar' THEN 12"
+ " WHEN '\"char\"' THEN 1"
+ " WHEN 'date' THEN 91"
+ " WHEN 'time' THEN 92 "
+ " WHEN 'time without time zone' THEN 92 "
+ " WHEN 'timetz' THEN 2013 "
+ " WHEN 'time with time zone' THEN 2013 "
+ " WHEN 'timestamp' THEN 93"
+ " WHEN 'timestamp without time zone' THEN 93"
+ " WHEN 'timestamptz' THEN 2014"
+ " WHEN 'timestamp with time zone' THEN 2014"
+ " WHEN 'smallint' THEN 5"
+ " WHEN 'int2' THEN 5"
+ " WHEN 'integer' THEN 4"
+ " WHEN 'int' THEN 4"
+ " WHEN 'int4' THEN 4"
+ " WHEN 'bigint' THEN -5"
+ " WHEN 'int8' THEN -5"
+ " WHEN 'decimal' THEN 3"
+ " WHEN 'real' THEN 7"
+ " WHEN 'float4' THEN 7"
+ " WHEN 'double precision' THEN 8"
+ " WHEN 'float8' THEN 8"
+ " WHEN 'float' THEN 6"
+ " WHEN 'numeric' THEN 2"
+ " WHEN 'bytea' THEN -2"
+ " WHEN 'oid' THEN -5"
+ " WHEN 'name' THEN 12"
+ " WHEN 'ARRAY' THEN 2003"
+ " WHEN 'geometry' THEN -4"
+ " WHEN 'super' THEN -16"
+ " WHEN 'varbyte' THEN -4"
+ " WHEN 'geography' THEN -4"
+ " WHEN 'intervaly2m' THEN 1111"
+ " WHEN 'intervald2s' THEN 1111"
+ " ELSE 1111 END AS SMALLINT) AS SQL_DATA_TYPE,"
+ " CAST(NULL AS SMALLINT) AS SQL_DATETIME_SUB,"
+ " CASE data_type"
+ " WHEN 'int4' THEN 10"
+ " WHEN 'bit' THEN 1"
+ " WHEN 'bool' THEN 1"
+ " WHEN 'boolean' THEN 1"
+ " WHEN 'varchar' THEN character_maximum_length"
+ " WHEN 'character varying' THEN character_maximum_length"
+ " WHEN 'char' THEN character_maximum_length"
+ " WHEN 'character' THEN character_maximum_length"
+ " WHEN 'nchar' THEN character_maximum_length"
+ " WHEN 'bpchar' THEN character_maximum_length"
+ " WHEN 'nvarchar' THEN character_maximum_length"
+ " WHEN 'date' THEN 13"
+ " WHEN 'time' THEN 15"
+ " WHEN 'time without time zone' THEN 15"
+ " WHEN 'timetz' THEN 21"
+ " WHEN 'time with time zone' THEN 21"
+ " WHEN 'timestamp' THEN 29"
+ " WHEN 'timestamp without time zone' THEN 29"
+ " WHEN 'timestamptz' THEN 35"
+ " WHEN 'timestamp with time zone' THEN 35"
+ " WHEN 'smallint' THEN 5"
+ " WHEN 'int2' THEN 5"
+ " WHEN 'integer' THEN 10"
+ " WHEN 'int' THEN 10"
+ " WHEN 'int4' THEN 10"
+ " WHEN 'bigint' THEN 19"
+ " WHEN 'int8' THEN 19"
+ " WHEN 'decimal' THEN numeric_precision"
+ " WHEN 'real' THEN 8"
+ " WHEN 'float4' THEN 8"
+ " WHEN 'double precision' THEN 17"
+ " WHEN 'float8' THEN 17"
+ " WHEN 'float' THEN 17"
+ " WHEN 'numeric' THEN numeric_precision"
+ " WHEN '_float4' THEN 8"
+ " WHEN 'oid' THEN 10"
+ " WHEN '_int4' THEN 10"
+ " WHEN '_int2' THEN 5"
+ " WHEN 'geometry' THEN NULL"
+ " WHEN 'super' THEN NULL"
+ " WHEN 'varbyte' THEN NULL"
+ " WHEN 'geography' THEN NULL"
+ " WHEN 'intervaly2m' THEN 32"
+ " WHEN 'intervald2s' THEN 64"
+ " ELSE " + unknownColumnSize
+ " END AS CHAR_OCTET_LENGTH,"
+ " ordinal_position AS ORDINAL_POSITION,"
+ " is_nullable AS IS_NULLABLE,"
+ " NULL AS SCOPE_CATALOG,"
+ " NULL AS SCOPE_SCHEMA,"
+ " NULL AS SCOPE_TABLE,"
+ " CASE"
+ " WHEN domain_name is not null THEN data_type"
+ " END AS SOURCE_DATA_TYPE,"
+ " CASE WHEN left(column_default, 10) = '\\\"identity\\\"' THEN 'YES'"
+ " WHEN left(column_default, 16) = 'default_identity' THEN 'YES' "
+ " ELSE 'NO' END AS IS_AUTOINCREMENT,"
+ " IS_AUTOINCREMENT AS IS_GENERATEDCOLUMN"
+ " FROM svv_columns");
result.append( " WHERE true ");
result.append(getCatalogFilterCondition(catalog));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
result.append(" AND table_schema LIKE " + escapeQuotes(schemaPattern));
}
if (tableNamePattern != null && !tableNamePattern.isEmpty()) {
result.append(" AND table_name LIKE " + escapeQuotes(tableNamePattern));
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
result.append(" AND COLUMN_NAME LIKE " + escapeQuotes(columnNamePattern));
}
result.append(" ORDER BY table_schem,table_name,ORDINAL_POSITION ");
return result.toString();
}
private String buildExternalSchemaColumnsQuery(String catalog,
String schemaPattern,
String tableNamePattern,
String columnNamePattern) throws SQLException {
final String unknownColumnSize = "2147483647";
StringBuilder result = new StringBuilder(8192);
// NOTE: Explicit cast on current_database() prevents bug where data returned from server
// has incorrect length and displays random characters. [JDBC-529]
result.append("SELECT current_database()::varchar(128) AS TABLE_CAT,"
+ " schemaname AS TABLE_SCHEM,"
+ " tablename AS TABLE_NAME,"
+ " columnname AS COLUMN_NAME,"
+ " CAST(CASE WHEN external_type = 'text' THEN 12"
+ " WHEN external_type = 'bit' THEN -7"
+ " WHEN external_type = 'bool' THEN -7"
+ " WHEN external_type = 'boolean' THEN -7"
+ " WHEN left(external_type, 7) = 'varchar' THEN 12"
+ " WHEN left(external_type, 17) = 'character varying' THEN 12"
+ " WHEN left(external_type, 4) = 'char' THEN 1"
+ " WHEN left(external_type, 9) = 'character' THEN 1"
+ " WHEN left(external_type, 5) = 'nchar' THEN 1"
+ " WHEN left(external_type, 6) = 'bpchar' THEN 1"
+ " WHEN left(external_type, 8) = 'nvarchar' THEN 12"
+ " WHEN external_type = '\"char\"' THEN 1"
+ " WHEN external_type = 'date' THEN 91"
+ " WHEN external_type = 'time' THEN 92 "
+ " WHEN external_type = 'time without time zone' THEN 92 "
+ " WHEN external_type = 'timetz' THEN 2013 "
+ " WHEN external_type = 'time with time zone' THEN 2013 "
+ " WHEN external_type = 'timestamp' THEN 93"
+ " WHEN external_type = 'timestamp without time zone' THEN 93"
+ " WHEN external_type = 'timestamptz' THEN 2014"
+ " WHEN external_type = 'timestamp with time zone' THEN 2014"
+ " WHEN external_type = 'smallint' THEN 5"
+ " WHEN external_type = 'int2' THEN 5"
+ " WHEN external_type = '_int2' THEN 5"
+ " WHEN external_type = 'integer' THEN 4"
+ " WHEN external_type = 'int' THEN 4"
+ " WHEN external_type = 'int4' THEN 4"
+ " WHEN external_type = '_int4' THEN 4"
+ " WHEN external_type = 'bigint' THEN -5"
+ " WHEN external_type = 'int8' THEN -5"
+ " WHEN left(external_type, 7) = 'decimal' THEN 2"
+ " WHEN external_type = 'real' THEN 7"
+ " WHEN external_type = 'float4' THEN 7"
+ " WHEN external_type = '_float4' THEN 7"
+ " WHEN external_type = 'double' THEN 8"
+ " WHEN external_type = 'double precision' THEN 8"
+ " WHEN external_type = 'float8' THEN 8"
+ " WHEN external_type = '_float8' THEN 8"
+ " WHEN external_type = 'float' THEN 6"
+ " WHEN left(external_type, 7) = 'numeric' THEN 2"
+ " WHEN external_type = 'bytea' THEN -2"
+ " WHEN external_type = 'oid' THEN -5"
+ " WHEN external_type = 'name' THEN 12"
+ " WHEN external_type = 'ARRAY' THEN 2003"
+ " WHEN external_type = 'geometry' THEN -4"
+ " WHEN external_type = 'super' THEN -16"
+ " WHEN external_type = 'varbyte' THEN -4"
+ " WHEN external_type = 'geography' THEN -4"
+ " WHEN external_type = 'intervaly2m' THEN 1111"
+ " WHEN external_type = 'intervald2s' THEN 1111"
+ " ELSE 1111 END AS SMALLINT) AS DATA_TYPE,"
+ " CASE WHEN left(external_type, 17) = 'character varying' THEN 'varchar'"
+ " WHEN left(external_type, 7) = 'varchar' THEN 'varchar'"
+ " WHEN left(external_type, 4) = 'char' THEN 'char'"
+ " WHEN left(external_type, 7) = 'decimal' THEN 'numeric'"
+ " WHEN left(external_type, 7) = 'numeric' THEN 'numeric'"
+ " WHEN external_type = 'double' THEN 'double precision'"
+ " WHEN external_type = 'time without time zone' THEN 'time'"
+ " WHEN external_type = 'time with time zone' THEN 'timetz'"
+ " WHEN external_type = 'timestamp without time zone' THEN 'timestamp'"
+ " WHEN external_type = 'timestamp with time zone' THEN 'timestamptz'"
+ " ELSE external_type END AS TYPE_NAME,"
+ " CASE WHEN external_type = 'int4' THEN 10"
+ " WHEN external_type = 'bit' THEN 1"
+ " WHEN external_type = 'bool' THEN 1"
+ " WHEN external_type = 'boolean' THEN 1"
+ " WHEN left(external_type, 7) = 'varchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 7) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 7) "
+ " END::integer "
+ " WHEN left(external_type, 17) = 'character varying' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 17) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 17) "
+ " END::integer "
+ " WHEN left(external_type, 4) = 'char' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 4) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 4) "
+ " END::integer "
+ " WHEN left(external_type, 9) = 'character' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 9) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 9) "
+ " END::integer "
+ " WHEN left(external_type, 5) = 'nchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 5) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 5) "
+ " END::integer "
+ " WHEN left(external_type, 6) = 'bpchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 6) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 6) "
+ " END::integer "
+ " WHEN left(external_type, 8) = 'nvarchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 8) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 8) "
+ " END::integer "
+ " WHEN external_type = 'date' THEN 13 "
+ " WHEN external_type = 'time' THEN 15 "
+ " WHEN external_type = 'time without time zone' THEN 15 "
+ " WHEN external_type = 'timetz' THEN 21 "
+ " WHEN external_type = 'time with time zone' THEN 21 "
+ " WHEN external_type = 'timestamp' THEN 29 "
+ " WHEN external_type = 'timestamp without time zone' THEN 29"
+ " WHEN external_type = 'timestamptz' THEN 35"
+ " WHEN external_type = 'timestamp with time zone' THEN 35"
+ " WHEN external_type = 'smallint' THEN 5"
+ " WHEN external_type = 'int2' THEN 5"
+ " WHEN external_type = 'integer' THEN 10"
+ " WHEN external_type = 'int' THEN 10"
+ " WHEN external_type = 'int4' THEN 10"
+ " WHEN external_type = 'bigint' THEN 19"
+ " WHEN external_type = 'int8' THEN 19"
+ " WHEN left(external_type, 7) = 'decimal' THEN isnull(nullif(regexp_substr(external_type, '[0-9]+', 7),''),'0')::integer"
+ " WHEN external_type = 'real' THEN 8"
+ " WHEN external_type = 'float4' THEN 8"
+ " WHEN external_type = '_float4' THEN 8"
+ " WHEN external_type = 'double' THEN 17"
+ " WHEN external_type = 'double precision' THEN 17"
+ " WHEN external_type = 'float8' THEN 17"
+ " WHEN external_type = '_float8' THEN 17"
+ " WHEN external_type = 'float' THEN 17"
+ " WHEN left(external_type, 7) = 'numeric' THEN isnull(nullif(regexp_substr(external_type, '[0-9]+', 7),''),'0')::integer"
+ " WHEN external_type = '_float4' THEN 8"
+ " WHEN external_type = 'oid' THEN 10"
+ " WHEN external_type = '_int4' THEN 10"
+ " WHEN external_type = '_int2' THEN 5"
+ " WHEN external_type = 'geometry' THEN NULL"
+ " WHEN external_type = 'super' THEN NULL"
+ " WHEN external_type = 'varbyte' THEN NULL"
+ " WHEN external_type = 'geography' THEN NULL"
+ " WHEN external_type = 'intervaly2m' THEN 32"
+ " WHEN external_type = 'intervald2s' THEN 64"
+ " ELSE 2147483647 END AS COLUMN_SIZE,"
+ " NULL AS BUFFER_LENGTH,"
+ " CASE WHEN external_type = 'real'THEN 8"
+ " WHEN external_type = 'float4' THEN 8"
+ " WHEN external_type = 'double' THEN 17"
+ " WHEN external_type = 'double precision' THEN 17"
+ " WHEN external_type = 'float8' THEN 17"
+ " WHEN left(external_type, 7) = 'numeric' THEN isnull(nullif(regexp_substr(external_type, '[0-9]+', 11),''),'0')::integer"
+ " WHEN left(external_type, 7) = 'decimal' THEN isnull(nullif(regexp_substr(external_type, '[0-9]+', 11),''),'0')::integer"
+ " WHEN external_type = 'time' THEN 6 "
+ " WHEN external_type = 'time without time zone' THEN 6 "
+ " WHEN external_type = 'timetz' THEN 6 "
+ " WHEN external_type = 'time with time zone' THEN 6 "
+ " WHEN external_type = 'timestamp' THEN 6"
+ " WHEN external_type = 'timestamp without time zone' THEN 6"
+ " WHEN external_type = 'timestamptz' THEN 6"
+ " WHEN external_type = 'timestamp with time zone' THEN 6"
+ " WHEN external_type = 'geometry' THEN NULL"
+ " WHEN external_type = 'super' THEN NULL"
+ " WHEN external_type = 'varbyte' THEN NULL"
+ " WHEN external_type = 'geography' THEN NULL"
+ " WHEN external_type = 'intervaly2m' THEN 0"
+ " WHEN external_type = 'intervald2s' THEN 6"
+ " ELSE 0 END AS DECIMAL_DIGITS,"
+ " CASE WHEN external_type = 'varbyte' THEN 2"
+ " WHEN external_type = 'geography' THEN 2"
+ " ELSE 10"
+ " END AS NUM_PREC_RADIX,"
+ " CAST(CASE is_nullable WHEN 'true' THEN 1 WHEN 'false' THEN 0 ELSE NULL END AS SMALLINT) AS NULLABLE,"
+ " NULL AS REMARKS,"
+ " NULL AS COLUMN_DEF,"
+ " CAST(CASE WHEN external_type = 'text' THEN 12"
+ " WHEN external_type = 'bit' THEN -7"
+ " WHEN external_type = 'bool' THEN -7"
+ " WHEN external_type = 'boolean' THEN -7"
+ " WHEN left(external_type, 7) = 'varchar' THEN 12"
+ " WHEN left(external_type, 17) = 'character varying' THEN 12"
+ " WHEN left(external_type, 4) = 'char' THEN 1"
+ " WHEN left(external_type, 9) = 'character' THEN 1"
+ " WHEN left(external_type, 5) = 'nchar' THEN 1"
+ " WHEN left(external_type, 6) = 'bpchar' THEN 1"
+ " WHEN left(external_type, 8) = 'nvarchar' THEN 12"
+ " WHEN external_type = '\"char\"' THEN 1"
+ " WHEN external_type = 'date' THEN 91"
+ " WHEN external_type = 'time' THEN 92 "
+ " WHEN external_type = 'time without time zone' THEN 92 "
+ " WHEN external_type = 'timetz' THEN 2013 "
+ " WHEN external_type = 'time with time zone' THEN 2013 "
+ " WHEN external_type = 'timestamp' THEN 93"
+ " WHEN external_type = 'timestamp without time zone' THEN 93"
+ " WHEN external_type = 'timestamptz' THEN 2014"
+ " WHEN external_type = 'timestamp with time zone' THEN 2014"
+ " WHEN external_type = 'smallint' THEN 5"
+ " WHEN external_type = 'int2' THEN 5"
+ " WHEN external_type = '_int2' THEN 5"
+ " WHEN external_type = 'integer' THEN 4"
+ " WHEN external_type = 'int' THEN 4"
+ " WHEN external_type = 'int4' THEN 4"
+ " WHEN external_type = '_int4' THEN 4"
+ " WHEN external_type = 'bigint' THEN -5"
+ " WHEN external_type = 'int8' THEN -5"
+ " WHEN left(external_type, 7) = 'decimal' THEN 3"
+ " WHEN external_type = 'real' THEN 7"
+ " WHEN external_type = 'float4' THEN 7"
+ " WHEN external_type = '_float4' THEN 7"
+ " WHEN external_type = 'double' THEN 8"
+ " WHEN external_type = 'double precision' THEN 8"
+ " WHEN external_type = 'float8' THEN 8"
+ " WHEN external_type = '_float8' THEN 8"
+ " WHEN external_type = 'float' THEN 6"
+ " WHEN left(external_type, 7) = 'numeric' THEN 2"
+ " WHEN external_type = 'bytea' THEN -2"
+ " WHEN external_type = 'oid' THEN -5"
+ " WHEN external_type = 'name' THEN 12"
+ " WHEN external_type = 'ARRAY' THEN 2003"
+ " WHEN external_type = 'geometry' THEN -4"
+ " WHEN external_type = 'super' THEN -16"
+ " WHEN external_type = 'varbyte' THEN -4"
+ " WHEN external_type = 'geography' THEN -4"
+ " WHEN external_type = 'intervaly2m' THEN 1111"
+ " WHEN external_type = 'intervald2s' THEN 1111"
+ " ELSE 1111 END AS SMALLINT) AS SQL_DATA_TYPE,"
+ " CAST(NULL AS SMALLINT) AS SQL_DATETIME_SUB,"
+ " CASE WHEN left(external_type, 7) = 'varchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 7) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 7) "
+ " END::integer "
+ " WHEN left(external_type, 17) = 'character varying' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 17) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 17) "
+ " END::integer "
+ " WHEN left(external_type, 4) = 'char' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 4) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 4) "
+ " END::integer "
+ " WHEN left(external_type, 9) = 'character' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 9) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 9) "
+ " END::integer "
+ " WHEN left(external_type, 5) = 'nchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 5) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 5) "
+ " END::integer "
+ " WHEN left(external_type, 6) = 'bpchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 6) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 6) "
+ " END::integer "
+ " WHEN left(external_type, 8) = 'nvarchar' "
+ " THEN CASE "
+ " WHEN regexp_instr(external_type, '\\\\(', 8) = 0 THEN '0' "
+ " ELSE regexp_substr(external_type, '[0-9]+', 8) "
+ " END::integer "
+ " WHEN external_type = 'string' THEN 16383"
+ " ELSE NULL END AS CHAR_OCTET_LENGTH,"
+ " columnnum AS ORDINAL_POSITION,"
+ " CASE IS_NULLABLE WHEN 'true' THEN 'YES' WHEN 'false' THEN 'NO' ELSE NULL END AS IS_NULLABLE,"
+ " NULL AS SCOPE_CATALOG,"
+ " NULL AS SCOPE_SCHEMA,"
+ " NULL AS SCOPE_TABLE,"
+ " NULL AS SOURCE_DATA_TYPE,"
+ " 'NO' AS IS_AUTOINCREMENT,"
+ " 'NO' AS IS_GENERATEDCOLUMN"
+ " FROM svv_external_columns");
result.append( " WHERE true ");
result.append(getCatalogFilterCondition(catalog));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
result.append(" AND schemaname LIKE " + escapeQuotes(schemaPattern));
}
if (tableNamePattern != null && !tableNamePattern.isEmpty()) {
result.append(" AND tablename LIKE " + escapeQuotes(tableNamePattern));
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
result.append(" AND columnname LIKE " + escapeQuotes(columnNamePattern));
}
result.append(" ORDER BY table_schem,table_name,ORDINAL_POSITION ");
return result.toString();
}
@Override
public ResultSet getColumnPrivileges(String catalog, String schema, String table,
String columnNamePattern) throws SQLException {
Field[] f = new Field[8];
List v = new ArrayList();
f[0] = new Field("TABLE_CAT", Oid.VARCHAR);
f[1] = new Field("TABLE_SCHEM", Oid.VARCHAR);
f[2] = new Field("TABLE_NAME", Oid.VARCHAR);
f[3] = new Field("COLUMN_NAME", Oid.VARCHAR);
f[4] = new Field("GRANTOR", Oid.VARCHAR);
f[5] = new Field("GRANTEE", Oid.VARCHAR);
f[6] = new Field("PRIVILEGE", Oid.VARCHAR);
f[7] = new Field("IS_GRANTABLE", Oid.VARCHAR);
String sql;
sql = "SELECT n.nspname,c.relname,u.usename,c.relacl, "
// + (connection.haveMinimumServerVersion(ServerVersion.v8_4) ? "a.attacl, " : "")
+ " a.attname "
+ " FROM pg_catalog.pg_namespace n, pg_catalog.pg_class c, "
+ " pg_catalog.pg_user u, pg_catalog.pg_attribute a "
+ " WHERE c.relnamespace = n.oid "
+ " AND c.relowner = u.usesysid "
+ " AND c.oid = a.attrelid "
+ " AND c.relkind = 'r' "
+ " AND a.attnum > 0 AND NOT a.attisdropped ";
sql += getCatalogFilterCondition(catalog);
if (schema != null && !schema.isEmpty()) {
sql += " AND n.nspname = " + escapeQuotes(schema);
}
if (table != null && !table.isEmpty()) {
sql += " AND c.relname = " + escapeQuotes(table);
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
sql += " AND a.attname LIKE " + escapeQuotes(columnNamePattern);
}
sql += " ORDER BY attname ";
Statement stmt = connection.createStatement();
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
byte[] schemaName = rs.getBytes("nspname");
byte[] tableName = rs.getBytes("relname");
byte[] column = rs.getBytes("attname");
String owner = rs.getString("usename");
String relAcl = rs.getString("relacl");
// For instance: SELECT -> user1 -> list of [grantor, grantable]
Map>> permissions = parseACL(relAcl, owner);
/* if (connection.haveMinimumServerVersion(ServerVersion.v8_4)) {
String acl = rs.getString("attacl");
Map>> relPermissions = parseACL(acl, owner);
permissions.putAll(relPermissions);
} */
String[] permNames = permissions.keySet().toArray(new String[0]);
Arrays.sort(permNames);
for (String permName : permNames) {
byte[] privilege = connection.encodeString(permName);
Map> grantees = permissions.get(permName);
for (Map.Entry> userToGrantable : grantees.entrySet()) {
List grantor = userToGrantable.getValue();
String grantee = userToGrantable.getKey();
for (String[] grants : grantor) {
String grantable = owner.equals(grantee) ? "YES" : grants[1];
byte[][] tuple = new byte[8][];
tuple[0] = connection.encodeString(connection.getCatalog());
tuple[1] = schemaName;
tuple[2] = tableName;
tuple[3] = column;
tuple[4] = connection.encodeString(grants[0]);
tuple[5] = connection.encodeString(grantee);
tuple[6] = privilege;
tuple[7] = connection.encodeString(grantable);
v.add(new Tuple(tuple));
}
}
}
}
rs.close();
stmt.close();
return ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
}
@Override
public ResultSet getTablePrivileges(String catalog, String schemaPattern,
String tableNamePattern) throws SQLException {
Field[] f = new Field[7];
List v = new ArrayList();
f[0] = new Field("TABLE_CAT", Oid.VARCHAR);
f[1] = new Field("TABLE_SCHEM", Oid.VARCHAR);
f[2] = new Field("TABLE_NAME", Oid.VARCHAR);
f[3] = new Field("GRANTOR", Oid.VARCHAR);
f[4] = new Field("GRANTEE", Oid.VARCHAR);
f[5] = new Field("PRIVILEGE", Oid.VARCHAR);
f[6] = new Field("IS_GRANTABLE", Oid.VARCHAR);
String sql;
sql = "SELECT n.nspname,c.relname,u.usename,c.relacl "
+ " FROM pg_catalog.pg_namespace n, pg_catalog.pg_class c, pg_catalog.pg_user u "
+ " WHERE c.relnamespace = n.oid "
+ " AND c.relowner = u.usesysid "
+ " AND c.relkind IN ('r','p','v','m','f') ";
sql += getCatalogFilterCondition(catalog);
if (schemaPattern != null && !schemaPattern.isEmpty()) {
sql += " AND n.nspname LIKE " + escapeQuotes(schemaPattern);
}
if (tableNamePattern != null && !tableNamePattern.isEmpty()) {
sql += " AND c.relname LIKE " + escapeQuotes(tableNamePattern);
}
sql += " ORDER BY nspname, relname ";
Statement stmt = connection.createStatement();
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
byte[] schema = rs.getBytes("nspname");
byte[] table = rs.getBytes("relname");
String owner = rs.getString("usename");
String acl = rs.getString("relacl");
Map>> permissions = parseACL(acl, owner);
String[] permNames = permissions.keySet().toArray(new String[0]);
Arrays.sort(permNames);
for (String permName : permNames) {
byte[] privilege = connection.encodeString(permName);
Map> grantees = permissions.get(permName);
for (Map.Entry> userToGrantable : grantees.entrySet()) {
List grants = userToGrantable.getValue();
String granteeUser = userToGrantable.getKey();
for (String[] grantTuple : grants) {
// report the owner as grantor if it's missing
String grantor = grantTuple[0] == null ? owner : grantTuple[0];
// owner always has grant privileges
String grantable = owner.equals(granteeUser) ? "YES" : grantTuple[1];
byte[][] tuple = new byte[7][];
tuple[0] = connection.encodeString(connection.getCatalog());
tuple[1] = schema;
tuple[2] = table;
tuple[3] = connection.encodeString(grantor);
tuple[4] = connection.encodeString(granteeUser);
tuple[5] = privilege;
tuple[6] = connection.encodeString(grantable);
v.add(new Tuple(tuple));
}
}
}
}
rs.close();
stmt.close();
return ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
}
/**
* Parse an String of ACLs into a List of ACLs.
*/
private static List parseACLArray(String aclString) {
List acls = new ArrayList();
if (aclString == null || aclString.isEmpty()) {
return acls;
}
boolean inQuotes = false;
// start at 1 because of leading "{"
int beginIndex = 1;
char prevChar = ' ';
for (int i = beginIndex; i < aclString.length(); i++) {
char c = aclString.charAt(i);
if (c == '"' && prevChar != '\\') {
inQuotes = !inQuotes;
} else if (c == ',' && !inQuotes) {
acls.add(aclString.substring(beginIndex, i));
beginIndex = i + 1;
}
prevChar = c;
}
// add last element removing the trailing "}"
acls.add(aclString.substring(beginIndex, aclString.length() - 1));
// Strip out enclosing quotes, if any.
for (int i = 0; i < acls.size(); i++) {
String acl = acls.get(i);
if (acl.startsWith("\"") && acl.endsWith("\"")) {
acl = acl.substring(1, acl.length() - 1);
acls.set(i, acl);
}
}
return acls;
}
/**
* Add the user described by the given acl to the Lists of users with the privileges described by
* the acl.
*/
private static void addACLPrivileges(String acl, Map>> privileges) {
int equalIndex = acl.lastIndexOf("=");
int slashIndex = acl.lastIndexOf("/");
if (equalIndex == -1) {
return;
}
String user = acl.substring(0, equalIndex);
String grantor = null;
if (user.isEmpty()) {
user = "PUBLIC";
}
String privs;
if (slashIndex != -1) {
privs = acl.substring(equalIndex + 1, slashIndex);
grantor = acl.substring(slashIndex + 1, acl.length());
} else {
privs = acl.substring(equalIndex + 1, acl.length());
}
for (int i = 0; i < privs.length(); i++) {
char c = privs.charAt(i);
if (c != '*') {
String sqlpriv;
String grantable;
if (i < privs.length() - 1 && privs.charAt(i + 1) == '*') {
grantable = "YES";
} else {
grantable = "NO";
}
switch (c) {
case 'a':
sqlpriv = "INSERT";
break;
case 'r':
case 'p':
sqlpriv = "SELECT";
break;
case 'w':
sqlpriv = "UPDATE";
break;
case 'd':
sqlpriv = "DELETE";
break;
case 'D':
sqlpriv = "TRUNCATE";
break;
case 'R':
sqlpriv = "RULE";
break;
case 'x':
sqlpriv = "REFERENCES";
break;
case 't':
sqlpriv = "TRIGGER";
break;
// the following can't be granted to a table, but
// we'll keep them for completeness.
case 'X':
sqlpriv = "EXECUTE";
break;
case 'U':
sqlpriv = "USAGE";
break;
case 'C':
sqlpriv = "CREATE";
break;
case 'T':
sqlpriv = "CREATE TEMP";
break;
default:
sqlpriv = "UNKNOWN";
}
Map> usersWithPermission = privileges.get(sqlpriv);
String[] grant = {grantor, grantable};
if (usersWithPermission == null) {
usersWithPermission = new HashMap>();
List permissionByGrantor = new ArrayList();
permissionByGrantor.add(grant);
usersWithPermission.put(user, permissionByGrantor);
privileges.put(sqlpriv, usersWithPermission);
} else {
List permissionByGrantor = usersWithPermission.get(user);
if (permissionByGrantor == null) {
permissionByGrantor = new ArrayList();
permissionByGrantor.add(grant);
usersWithPermission.put(user, permissionByGrantor);
} else {
permissionByGrantor.add(grant);
}
}
}
}
}
/**
* Take the a String representing an array of ACLs and return a Map mapping the SQL permission
* name to a List of usernames who have that permission.
* For instance: {@code SELECT -> user1 -> list of [grantor, grantable]}
*
* @param aclArray ACL array
* @param owner owner
* @return a Map mapping the SQL permission name
*/
public Map>> parseACL(String aclArray, String owner) {
if (aclArray == null) {
// arwdxt -- 8.2 Removed the separate RULE permission
// arwdDxt -- 8.4 Added a separate TRUNCATE permission
String perms = "arwdxt"; // connection.haveMinimumServerVersion(ServerVersion.v8_4) ? "arwdDxt" : "arwdxt";
aclArray = "{" + owner + "=" + perms + "/" + owner + "}";
}
List acls = parseACLArray(aclArray);
Map>> privileges =
new HashMap>>();
for (String acl : acls) {
addACLPrivileges(acl, privileges);
}
return privileges;
}
public ResultSet getBestRowIdentifier(String catalog, String schema, String table,
int scope, boolean nullable) throws SQLException {
Field[] f = new Field[8];
List v = new ArrayList(); // The new ResultSet tuple stuff
f[0] = new Field("SCOPE", Oid.INT2);
f[1] = new Field("COLUMN_NAME", Oid.VARCHAR);
f[2] = new Field("DATA_TYPE", Oid.INT2);
f[3] = new Field("TYPE_NAME", Oid.VARCHAR);
f[4] = new Field("COLUMN_SIZE", Oid.INT4);
f[5] = new Field("BUFFER_LENGTH", Oid.INT4);
f[6] = new Field("DECIMAL_DIGITS", Oid.INT2);
f[7] = new Field("PSEUDO_COLUMN", Oid.INT2);
/*
* At the moment this simply returns a table's primary key, if there is one. I believe other
* unique indexes, ctid, and oid should also be considered. -KJ
*/
String sql;
sql =
"SELECT a.attname, a.atttypid, a.atttypmod " +
"FROM " +
"pg_catalog.pg_namespace n, " +
"pg_catalog.pg_class ct, " +
"pg_catalog.pg_class ci, " +
"pg_catalog.pg_attribute a, " +
"pg_catalog.pg_index i " +
"WHERE " +
"ct.oid=i.indrelid AND " +
"ci.oid=i.indexrelid AND " +
"a.attrelid=ci.oid AND " +
"i.indisprimary AND " +
"ct.relnamespace = n.oid ";
sql += getCatalogFilterCondition(catalog);
if (schema != null && !schema.isEmpty()) {
sql += " AND n.nspname = " + escapeQuotes(schema);
}
if (table != null && !table.isEmpty()) {
sql += " AND ct.relname = " + escapeQuotes(table);
}
sql += " ORDER BY a.attnum ";
Statement stmt = connection.createStatement();
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
byte[][] tuple = new byte[8][];
int typeOid = (int) rs.getLong("atttypid");
int typeMod = rs.getInt("atttypmod");
int decimalDigits = connection.getTypeInfo().getScale(typeOid, typeMod);
int columnSize = connection.getTypeInfo().getPrecision(typeOid, typeMod);
if (columnSize == 0) {
columnSize = connection.getTypeInfo().getDisplaySize(typeOid, typeMod);
}
tuple[0] = connection.encodeString(Integer.toString(scope));
tuple[1] = rs.getBytes("attname");
tuple[2] =
connection.encodeString(Integer.toString(connection.getTypeInfo().getSQLType(typeOid)));
tuple[3] = connection.encodeString(connection.getTypeInfo().getRSType(typeOid));
tuple[4] = connection.encodeString(Integer.toString(columnSize));
tuple[5] = null; // unused
tuple[6] = connection.encodeString(Integer.toString(decimalDigits));
tuple[7] =
connection.encodeString(Integer.toString(java.sql.DatabaseMetaData.bestRowNotPseudo));
v.add(new Tuple(tuple));
}
rs.close();
stmt.close();
return ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
}
public ResultSet getVersionColumns(String catalog, String schema, String table)
throws SQLException {
Field[] f = new Field[8];
List v = new ArrayList(); // The new ResultSet tuple stuff
f[0] = new Field("SCOPE", Oid.INT2);
f[1] = new Field("COLUMN_NAME", Oid.VARCHAR);
f[2] = new Field("DATA_TYPE", Oid.INT2);
f[3] = new Field("TYPE_NAME", Oid.VARCHAR);
f[4] = new Field("COLUMN_SIZE", Oid.INT4);
f[5] = new Field("BUFFER_LENGTH", Oid.INT4);
f[6] = new Field("DECIMAL_DIGITS", Oid.INT2);
f[7] = new Field("PSEUDO_COLUMN", Oid.INT2);
byte[][] tuple = new byte[8][];
/*
* Redshift does not have any column types that are automatically updated like some databases'
* timestamp type. We can't tell what rules or triggers might be doing, so we are left with the
* system columns that change on an update. An update may change all of the following system
* columns: ctid, xmax, xmin, cmax, and cmin. Depending on if we are in a transaction and
* whether we roll it back or not the only guaranteed change is to ctid. -KJ
*/
tuple[0] = null;
tuple[1] = connection.encodeString("ctid");
tuple[2] =
connection.encodeString(Integer.toString(connection.getTypeInfo().getSQLType("tid")));
tuple[3] = connection.encodeString("tid");
tuple[4] = null;
tuple[5] = null;
tuple[6] = null;
tuple[7] =
connection.encodeString(Integer.toString(java.sql.DatabaseMetaData.versionColumnPseudo));
v.add(new Tuple(tuple));
/*
* Perhaps we should check that the given catalog.schema.table actually exists. -KJ
*/
return ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
}
public ResultSet getPrimaryKeys(String catalog, String schema, String table)
throws SQLException {
String sql;
sql =
"SELECT " +
"current_database() AS TABLE_CAT, " +
"n.nspname AS TABLE_SCHEM, " +
"ct.relname AS TABLE_NAME, " +
"a.attname AS COLUMN_NAME, " +
"a.attnum AS KEY_SEQ, " +
"ci.relname AS PK_NAME " +
"FROM " +
"pg_catalog.pg_namespace n, " +
"pg_catalog.pg_class ct, " +
"pg_catalog.pg_class ci, " +
"pg_catalog.pg_attribute a, " +
"pg_catalog.pg_index i " +
"WHERE " +
"ct.oid=i.indrelid AND " +
"ci.oid=i.indexrelid AND " +
"a.attrelid=ci.oid AND " +
"i.indisprimary AND " +
"ct.relnamespace = n.oid ";
sql += getCatalogFilterCondition(catalog);
if (schema != null && !schema.isEmpty()) {
sql += " AND n.nspname = " + escapeQuotes(schema);
}
if (table != null && !table.isEmpty()) {
sql += " AND ct.relname = " + escapeQuotes(table);
}
sql += " ORDER BY table_name, pk_name, key_seq";
return createMetaDataStatement().executeQuery(sql);
}
/**
* @param primaryCatalog primary catalog
* @param primarySchema primary schema
* @param primaryTable if provided will get the keys exported by this table
* @param foreignCatalog foreign catalog
* @param foreignSchema foreign schema
* @param foreignTable if provided will get the keys imported by this table
* @return ResultSet
* @throws SQLException if something wrong happens
*/
protected ResultSet getImportedExportedKeys(String primaryCatalog, String primarySchema,
String primaryTable, String foreignCatalog, String foreignSchema, String foreignTable)
throws SQLException {
/*
* The addition of the pg_constraint in 7.3 table should have really helped us out here, but it
* comes up just a bit short. - The conkey, confkey columns aren't really useful without
* contrib/array unless we want to issues separate queries. - Unique indexes that can support
* foreign keys are not necessarily added to pg_constraint. Also multiple unique indexes
* covering the same keys can be created which make it difficult to determine the PK_NAME field.
*/
String sql =
"SELECT current_database() AS PKTABLE_CAT, pkn.nspname AS PKTABLE_SCHEM, pkc.relname AS PKTABLE_NAME, pka.attname AS PKCOLUMN_NAME, "
+ "current_database() AS FKTABLE_CAT, fkn.nspname AS FKTABLE_SCHEM, fkc.relname AS FKTABLE_NAME, fka.attname AS FKCOLUMN_NAME, "
+ "pos.n AS KEY_SEQ, "
+ "CASE con.confupdtype "
+ " WHEN 'c' THEN " + DatabaseMetaData.importedKeyCascade
+ " WHEN 'n' THEN " + DatabaseMetaData.importedKeySetNull
+ " WHEN 'd' THEN " + DatabaseMetaData.importedKeySetDefault
+ " WHEN 'r' THEN " + DatabaseMetaData.importedKeyRestrict
+ " WHEN 'p' THEN " + DatabaseMetaData.importedKeyRestrict
+ " WHEN 'a' THEN " + DatabaseMetaData.importedKeyNoAction
+ " ELSE NULL END AS UPDATE_RULE, "
+ "CASE con.confdeltype "
+ " WHEN 'c' THEN " + DatabaseMetaData.importedKeyCascade
+ " WHEN 'n' THEN " + DatabaseMetaData.importedKeySetNull
+ " WHEN 'd' THEN " + DatabaseMetaData.importedKeySetDefault
+ " WHEN 'r' THEN " + DatabaseMetaData.importedKeyRestrict
+ " WHEN 'p' THEN " + DatabaseMetaData.importedKeyRestrict
+ " WHEN 'a' THEN " + DatabaseMetaData.importedKeyNoAction
+ " ELSE NULL END AS DELETE_RULE, "
+ "con.conname AS FK_NAME, pkic.relname AS PK_NAME, "
+ "CASE "
+ " WHEN con.condeferrable AND con.condeferred THEN "
+ DatabaseMetaData.importedKeyInitiallyDeferred
+ " WHEN con.condeferrable THEN " + DatabaseMetaData.importedKeyInitiallyImmediate
+ " ELSE " + DatabaseMetaData.importedKeyNotDeferrable
+ " END AS DEFERRABILITY "
+ " FROM "
+ " pg_catalog.pg_namespace pkn, pg_catalog.pg_class pkc, pg_catalog.pg_attribute pka, "
+ " pg_catalog.pg_namespace fkn, pg_catalog.pg_class fkc, pg_catalog.pg_attribute fka, "
+ " pg_catalog.pg_constraint con, "
+ " pg_catalog.generate_series(1, " + getMaxIndexKeys() + ") pos(n), "
+ " pg_catalog.pg_class pkic";
// Starting in Postgres 9.0, pg_constraint was augmented with the conindid column, which
// contains the oid of the index supporting the constraint. This makes it unnecessary to do a
// further join on pg_depend.
// if (!connection.haveMinimumServerVersion(ServerVersion.v9_0)) {
sql += ", pg_catalog.pg_depend dep ";
// }
sql +=
" WHERE pkn.oid = pkc.relnamespace AND pkc.oid = pka.attrelid AND pka.attnum = con.confkey[pos.n] AND con.confrelid = pkc.oid "
+ " AND fkn.oid = fkc.relnamespace AND fkc.oid = fka.attrelid AND fka.attnum = con.conkey[pos.n] AND con.conrelid = fkc.oid "
+ " AND con.contype = 'f' AND pkic.relkind = 'i' ";
// if (!connection.haveMinimumServerVersion(ServerVersion.v9_0)) {
sql += " AND con.oid = dep.objid AND pkic.oid = dep.refobjid AND dep.classid = 'pg_constraint'::regclass::oid AND dep.refclassid = 'pg_class'::regclass::oid ";
/* } else {
sql += " AND pkic.oid = con.conindid ";
} */
sql += getCatalogFilterCondition(primaryCatalog);
if (primarySchema != null && !primarySchema.isEmpty()) {
sql += " AND pkn.nspname = " + escapeQuotes(primarySchema);
}
if (foreignSchema != null && !foreignSchema.isEmpty()) {
sql += " AND fkn.nspname = " + escapeQuotes(foreignSchema);
}
if (primaryTable != null && !primaryTable.isEmpty()) {
sql += " AND pkc.relname = " + escapeQuotes(primaryTable);
}
if (foreignTable != null && !foreignTable.isEmpty()) {
sql += " AND fkc.relname = " + escapeQuotes(foreignTable);
}
if (primaryTable != null) {
sql += " ORDER BY fkn.nspname,fkc.relname,con.conname,pos.n";
} else {
sql += " ORDER BY pkn.nspname,pkc.relname, con.conname,pos.n";
}
return createMetaDataStatement().executeQuery(sql);
}
public ResultSet getImportedKeys(String catalog, String schema, String table)
throws SQLException {
return getImportedExportedKeys(null, null, null, catalog, schema, table);
}
public ResultSet getExportedKeys(String catalog, String schema, String table)
throws SQLException {
return getImportedExportedKeys(catalog, schema, table, null, null, null);
}
public ResultSet getCrossReference(String primaryCatalog, String primarySchema,
String primaryTable, String foreignCatalog, String foreignSchema, String foreignTable)
throws SQLException {
return getImportedExportedKeys(primaryCatalog, primarySchema, primaryTable, foreignCatalog,
foreignSchema, foreignTable);
}
public ResultSet getTypeInfo() throws SQLException {
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true);
Field[] f = new Field[18];
List v = new ArrayList(); // The new ResultSet tuple stuff
f[0] = new Field("TYPE_NAME", Oid.VARCHAR);
f[1] = new Field("DATA_TYPE", Oid.INT2);
f[2] = new Field("PRECISION", Oid.INT4);
f[3] = new Field("LITERAL_PREFIX", Oid.VARCHAR);
f[4] = new Field("LITERAL_SUFFIX", Oid.VARCHAR);
f[5] = new Field("CREATE_PARAMS", Oid.VARCHAR);
f[6] = new Field("NULLABLE", Oid.INT2);
f[7] = new Field("CASE_SENSITIVE", Oid.BOOL);
f[8] = new Field("SEARCHABLE", Oid.INT2);
f[9] = new Field("UNSIGNED_ATTRIBUTE", Oid.BOOL);
f[10] = new Field("FIXED_PREC_SCALE", Oid.BOOL);
f[11] = new Field("AUTO_INCREMENT", Oid.BOOL);
f[12] = new Field("LOCAL_TYPE_NAME", Oid.VARCHAR);
f[13] = new Field("MINIMUM_SCALE", Oid.INT2);
f[14] = new Field("MAXIMUM_SCALE", Oid.INT2);
f[15] = new Field("SQL_DATA_TYPE", Oid.INT4);
f[16] = new Field("SQL_DATETIME_SUB", Oid.INT4);
f[17] = new Field("NUM_PREC_RADIX", Oid.INT4);
String sql;
sql = "SELECT t.typname,t.oid FROM pg_catalog.pg_type t"
// + " JOIN pg_catalog.pg_namespace n ON (t.typnamespace = n.oid) "
// + " WHERE n.nspname != 'pg_toast'"
// + " AND "
+ " WHERE "
+ " t.typname in ("
+ "'bool','char','int8','int2','int4','float4','float8','bpchar','varchar','date','time','timestamp','timestamptz','numeric','refcursor','geometry','super','varbyte','geography')";
// + " AND "
// + " (t.typrelid = 0 OR (SELECT c.relkind = 'c' FROM pg_catalog.pg_class c WHERE c.oid = t.typrelid))";
/* if (connection.getHideUnprivilegedObjects() && connection.haveMinimumServerVersion(ServerVersion.v9_2)) {
sql += " AND has_type_privilege(t.oid, 'USAGE')";
} */
Statement stmt = connection.createStatement();
ResultSet rs = stmt.executeQuery(sql);
// cache some results, this will keep memory usage down, and speed
// things up a little.
byte[] bZero = connection.encodeString("0");
byte[] b10 = connection.encodeString("10");
byte[] b2 = connection.encodeString("2");
byte[] bf = connection.encodeString("f");
byte[] bt = connection.encodeString("t");
byte[] bliteral = connection.encodeString("'");
byte[] bNullable =
connection.encodeString(Integer.toString(java.sql.DatabaseMetaData.typeNullable));
byte[] bSearchable =
connection.encodeString(Integer.toString(java.sql.DatabaseMetaData.typeSearchable));
TypeInfo ti = connection.getTypeInfo();
if (ti instanceof TypeInfoCache) {
((TypeInfoCache) ti).cacheSQLTypes(connection.getLogger());
}
while (rs.next()) {
byte[][] tuple = new byte[19][];
String typname = rs.getString(1);
int typeOid = (int) rs.getLong(2);
tuple[0] = connection.encodeString(typname);
int sqlType = connection.getTypeInfo().getSQLType(typname);
tuple[1] =
connection.encodeString(Integer.toString(sqlType));
/* this is just for sorting below, the result set never sees this */
tuple[18] = BigInteger.valueOf(sqlType).toByteArray();
tuple[2] = connection
.encodeString(Integer.toString(connection.getTypeInfo().getMaximumPrecision(typeOid)));
// Using requiresQuoting(oid) would might trigger select statements that might fail with NPE
// if oid in question is being dropped.
// requiresQuotingSqlType is not bulletproof, however, it solves the most visible NPE.
if (connection.getTypeInfo().requiresQuotingSqlType(sqlType)) {
tuple[3] = bliteral;
tuple[4] = bliteral;
}
tuple[6] = bNullable; // all types can be null
tuple[7] = connection.getTypeInfo().isCaseSensitive(typeOid) ? bt : bf;
tuple[8] = bSearchable; // any thing can be used in the WHERE clause
tuple[9] = connection.getTypeInfo().isSigned(typeOid) ? bf : bt;
tuple[10] = bf; // false for now - must handle money
tuple[11] = bf; // false - it isn't autoincrement
tuple[13] = bZero; // min scale is zero
// only numeric can supports a scale.
tuple[14] = (typeOid == Oid.NUMERIC) ? connection.encodeString("1000") : bZero;
// 12 - LOCAL_TYPE_NAME is null
// 15 & 16 are unused so we return null
// VARBYTE and GEOGRAPHY is base2,everything else is base 10
tuple[17] = (typeOid == Oid.VARBYTE || typeOid == Oid.GEOGRAPHY) ? b2 : b10;
v.add(new Tuple(tuple));
// add pseudo-type serial, bigserial
/* if (typname.equals("int4")) {
byte[][] tuple1 = tuple.clone();
tuple1[0] = connection.encodeString("serial");
tuple1[11] = bt;
v.add(new Tuple(tuple1));
} else if (typname.equals("int8")) {
byte[][] tuple1 = tuple.clone();
tuple1[0] = connection.encodeString("bigserial");
tuple1[11] = bt;
v.add(new Tuple(tuple1));
} */
}
rs.close();
stmt.close();
Collections.sort(v, new Comparator() {
@Override
public int compare(Tuple o1, Tuple o2) {
int i1 = ByteConverter.bytesToInt(o1.get(18));
int i2 = ByteConverter.bytesToInt(o2.get(18));
return (i1 < i2) ? -1 : ((i1 == i2) ? 0 : 1);
}
});
ResultSet rc = ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rc);
return rc;
}
public ResultSet getIndexInfo(String catalog, String schema, String tableName,
boolean unique, boolean approximate) throws SQLException {
/*
* This is a complicated function because we have three possible situations: <= 7.2 no schemas,
* single column functional index 7.3 schemas, single column functional index >= 7.4 schemas,
* multi-column expressional index >= 8.3 supports ASC/DESC column info >= 9.0 no longer renames
* index columns on a table column rename, so we must look at the table attribute names
*
* with the single column functional index we need an extra join to the table's pg_attribute
* data to get the column the function operates on.
*/
String sql;
/* if (connection.haveMinimumServerVersion(ServerVersion.v8_3)) {
sql = "SELECT NULL AS TABLE_CAT, n.nspname AS TABLE_SCHEM, "
+ " ct.relname AS TABLE_NAME, NOT i.indisunique AS NON_UNIQUE, "
+ " NULL AS INDEX_QUALIFIER, ci.relname AS INDEX_NAME, "
+ " CASE i.indisclustered "
+ " WHEN true THEN " + java.sql.DatabaseMetaData.tableIndexClustered
+ " ELSE CASE am.amname "
+ " WHEN 'hash' THEN " + java.sql.DatabaseMetaData.tableIndexHashed
+ " ELSE " + java.sql.DatabaseMetaData.tableIndexOther
+ " END "
+ " END AS TYPE, "
+ " (information_schema._pg_expandarray(i.indkey)).n AS ORDINAL_POSITION, "
+ " ci.reltuples AS CARDINALITY, "
+ " ci.relpages AS PAGES, "
+ " pg_catalog.pg_get_expr(i.indpred, i.indrelid) AS FILTER_CONDITION, "
+ " ci.oid AS CI_OID, "
+ " i.indoption AS I_INDOPTION, "
+ (connection.haveMinimumServerVersion(ServerVersion.v9_6) ? " am.amname AS AM_NAME " : " am.amcanorder AS AM_CANORDER ")
+ "FROM pg_catalog.pg_class ct "
+ " JOIN pg_catalog.pg_namespace n ON (ct.relnamespace = n.oid) "
+ " JOIN pg_catalog.pg_index i ON (ct.oid = i.indrelid) "
+ " JOIN pg_catalog.pg_class ci ON (ci.oid = i.indexrelid) "
+ " JOIN pg_catalog.pg_am am ON (ci.relam = am.oid) "
+ "WHERE true ";
if (schema != null && !schema.isEmpty()) {
sql += " AND n.nspname = " + escapeQuotes(schema);
}
sql += " AND ct.relname = " + escapeQuotes(tableName);
if (unique) {
sql += " AND i.indisunique ";
}
sql = "SELECT "
+ " tmp.TABLE_CAT, "
+ " tmp.TABLE_SCHEM, "
+ " tmp.TABLE_NAME, "
+ " tmp.NON_UNIQUE, "
+ " tmp.INDEX_QUALIFIER, "
+ " tmp.INDEX_NAME, "
+ " tmp.TYPE, "
+ " tmp.ORDINAL_POSITION, "
+ " trim(both '\"' from pg_catalog.pg_get_indexdef(tmp.CI_OID, tmp.ORDINAL_POSITION, false)) AS COLUMN_NAME, "
+ (connection.haveMinimumServerVersion(ServerVersion.v9_6)
? " CASE tmp.AM_NAME "
+ " WHEN 'btree' THEN CASE tmp.I_INDOPTION[tmp.ORDINAL_POSITION - 1] & 1 "
+ " WHEN 1 THEN 'D' "
+ " ELSE 'A' "
+ " END "
+ " ELSE NULL "
+ " END AS ASC_OR_DESC, "
: " CASE tmp.AM_CANORDER "
+ " WHEN true THEN CASE tmp.I_INDOPTION[tmp.ORDINAL_POSITION - 1] & 1 "
+ " WHEN 1 THEN 'D' "
+ " ELSE 'A' "
+ " END "
+ " ELSE NULL "
+ " END AS ASC_OR_DESC, ")
+ " tmp.CARDINALITY, "
+ " tmp.PAGES, "
+ " tmp.FILTER_CONDITION "
+ "FROM ("
+ sql
+ ") AS tmp";
}
else */
/* {
String select;
String from;
String where;
select = "SELECT NULL AS TABLE_CAT, n.nspname AS TABLE_SCHEM, ";
from = " FROM pg_catalog.pg_namespace n, pg_catalog.pg_class ct, pg_catalog.pg_class ci, "
+ " pg_catalog.pg_attribute a, pg_catalog.pg_am am ";
where = " AND n.oid = ct.relnamespace ";
from += ", pg_catalog.pg_index i ";
if (schema != null && !schema.isEmpty()) {
where += " AND n.nspname = " + escapeQuotes(schema);
}
sql = select
+ " ct.relname AS TABLE_NAME, NOT i.indisunique AS NON_UNIQUE, NULL AS INDEX_QUALIFIER, ci.relname AS INDEX_NAME, "
+ " CASE i.indisclustered "
+ " WHEN true THEN " + java.sql.DatabaseMetaData.tableIndexClustered
+ " ELSE CASE am.amname "
+ " WHEN 'hash' THEN " + java.sql.DatabaseMetaData.tableIndexHashed
+ " ELSE " + java.sql.DatabaseMetaData.tableIndexOther
+ " END "
+ " END AS TYPE, "
+ " a.attnum AS ORDINAL_POSITION, "
+ " CASE WHEN i.indexprs IS NULL THEN a.attname "
+ " ELSE pg_catalog.pg_get_indexdef(ci.oid,a.attnum,false) END AS COLUMN_NAME, "
+ " NULL AS ASC_OR_DESC, "
+ " ci.reltuples AS CARDINALITY, "
+ " ci.relpages AS PAGES, "
+ " pg_catalog.pg_get_expr(i.indpred, i.indrelid) AS FILTER_CONDITION "
+ from
+ " WHERE ct.oid=i.indrelid AND ci.oid=i.indexrelid AND a.attrelid=ci.oid AND ci.relam=am.oid "
+ where;
sql += " AND ct.relname = " + escapeQuotes(tableName);
if (unique) {
sql += " AND i.indisunique ";
}
}
sql += " ORDER BY NON_UNIQUE, TYPE, INDEX_NAME, ORDINAL_POSITION "; */
// Disable, Redshift doesn't do indexes...
// we'll just execute a dummy query to return an empty resultset
sql =
"SELECT '' AS TABLE_CAT, " +
"'' AS TABLE_SCHEM, " +
"'' AS TABLE_NAME, " +
"cast('t' as boolean) AS NON_UNIQUE, " +
"'' AS INDEX_QUALIFIER, " +
"'' AS INDEX_NAME, " +
"cast(0 as smallint) AS TYPE, " +
"cast(1 as smallint) AS ORDINAL_POSITION, " +
"'' AS COLUMN_NAME, " +
"NULL AS ASC_OR_DESC, " +
"0 AS CARDINALITY, " +
"0 AS PAGES, " +
"'' AS FILTER_CONDITION " +
"WHERE (1 = 0)";
return createMetaDataStatement().executeQuery(sql);
}
// ** JDBC 2 Extensions **
public boolean supportsResultSetType(int type) throws SQLException {
// The only type we don't support
return type != ResultSet.TYPE_SCROLL_SENSITIVE;
}
public boolean supportsResultSetConcurrency(int type, int concurrency) throws SQLException {
// These combinations are not supported!
if (type == ResultSet.TYPE_SCROLL_SENSITIVE) {
return false;
}
// We do not support Updateable ResultSets
if (concurrency == ResultSet.CONCUR_UPDATABLE) {
return false; // true
}
// Everything else we do
return true;
}
/* lots of unsupported stuff... */
public boolean ownUpdatesAreVisible(int type) throws SQLException {
return true;
}
public boolean ownDeletesAreVisible(int type) throws SQLException {
return true;
}
public boolean ownInsertsAreVisible(int type) throws SQLException {
// indicates that
return true;
}
public boolean othersUpdatesAreVisible(int type) throws SQLException {
return false;
}
public boolean othersDeletesAreVisible(int i) throws SQLException {
return false;
}
public boolean othersInsertsAreVisible(int type) throws SQLException {
return false;
}
public boolean updatesAreDetected(int type) throws SQLException {
return false;
}
public boolean deletesAreDetected(int i) throws SQLException {
return false;
}
public boolean insertsAreDetected(int type) throws SQLException {
return false;
}
public boolean supportsBatchUpdates() throws SQLException {
return true;
}
public ResultSet getUDTs(String catalog, String schemaPattern, String typeNamePattern,
int[] types) throws SQLException {
String sql = "select "
+ "current_database() as type_cat, n.nspname as type_schem, t.typname as type_name, null as class_name, "
+ "CASE WHEN t.typtype='c' then " + java.sql.Types.STRUCT + " else "
+ java.sql.Types.DISTINCT
+ " end as data_type, pg_catalog.obj_description(t.oid, 'pg_type') "
+ "as remarks, CASE WHEN t.typtype = 'd' then (select CASE";
StringBuilder sqlwhen = new StringBuilder();
for (Iterator i = connection.getTypeInfo().getRSTypeNamesWithSQLTypes(); i.hasNext(); ) {
String pgType = i.next();
int sqlType = connection.getTypeInfo().getSQLType(pgType);
sqlwhen.append(" when typname = ").append(escapeQuotes(pgType)).append(" then ").append(sqlType);
}
sql += sqlwhen.toString();
sql += " else " + java.sql.Types.OTHER + " end from pg_type where oid=t.typbasetype) "
+ "else null end as base_type "
+ "from pg_catalog.pg_type t, pg_catalog.pg_namespace n where t.typnamespace = n.oid and n.nspname != 'pg_catalog' and n.nspname != 'pg_toast'";
StringBuilder toAdd = new StringBuilder();
if (types != null) {
toAdd.append(" and (false ");
for (int type : types) {
switch (type) {
case Types.STRUCT:
toAdd.append(" or t.typtype = 'c'");
break;
case Types.DISTINCT:
toAdd.append(" or t.typtype = 'd'");
break;
}
}
toAdd.append(" ) ");
} else {
toAdd.append(" and t.typtype IN ('c','d') ");
}
// spec says that if typeNamePattern is a fully qualified name
// then the schema and catalog are ignored
if (typeNamePattern != null) {
// search for qualifier
int firstQualifier = typeNamePattern.indexOf('.');
int secondQualifier = typeNamePattern.lastIndexOf('.');
if (firstQualifier != -1) {
// if one of them is -1 they both will be
if (firstQualifier != secondQualifier) {
// we have a catalog.schema.typename, ignore catalog
schemaPattern = typeNamePattern.substring(firstQualifier + 1, secondQualifier);
} else {
// we just have a schema.typename
schemaPattern = typeNamePattern.substring(0, firstQualifier);
}
// strip out just the typeName
typeNamePattern = typeNamePattern.substring(secondQualifier + 1);
}
toAdd.append(" and t.typname like ").append(escapeQuotes(typeNamePattern));
}
toAdd.append(getCatalogFilterCondition(catalog));
// schemaPattern may have been modified above
if (schemaPattern != null) {
toAdd.append(" and n.nspname like ").append(escapeQuotes(schemaPattern));
}
sql += toAdd.toString();
/* if (connection.getHideUnprivilegedObjects()
&& connection.haveMinimumServerVersion(ServerVersion.v9_2)) {
sql += " AND has_type_privilege(t.oid, 'USAGE')";
} */
sql += " order by data_type, type_schem, type_name";
return createMetaDataStatement().executeQuery(sql);
}
@Override
public Connection getConnection() throws SQLException {
return connection;
}
protected Statement createMetaDataStatement() throws SQLException {
return connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
}
public long getMaxLogicalLobSize() throws SQLException {
return 0;
}
public boolean supportsRefCursors() throws SQLException {
return true;
}
@Override
public RowIdLifetime getRowIdLifetime() throws SQLException {
throw com.amazon.redshift.Driver.notImplemented(this.getClass(), "getRowIdLifetime()");
}
@Override
public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
return true;
}
@Override
public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
return false;
}
@Override
public ResultSet getClientInfoProperties() throws SQLException {
Field[] f = new Field[4];
f[0] = new Field("NAME", Oid.VARCHAR);
f[1] = new Field("MAX_LEN", Oid.INT4);
f[2] = new Field("DEFAULT_VALUE", Oid.VARCHAR);
f[3] = new Field("DESCRIPTION", Oid.VARCHAR);
List v = new ArrayList();
/* if (connection.haveMinimumServerVersion(ServerVersion.v9_0)) */
{
byte[][] tuple = new byte[4][];
tuple[0] = connection.encodeString("ApplicationName");
tuple[1] = connection.encodeString(Integer.toString(getMaxNameLength()));
tuple[2] = null; // connection.encodeString("");
tuple[3] = connection
.encodeString("The name of the application currently utilizing the connection.");
v.add(new Tuple(tuple));
}
return ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
}
public boolean isWrapperFor(Class iface) throws SQLException {
return iface.isAssignableFrom(getClass());
}
public T unwrap(Class iface) throws SQLException {
if (iface.isAssignableFrom(getClass())) {
return iface.cast(this);
}
throw new SQLException("Cannot unwrap to " + iface.getName());
}
public ResultSet getFunctions(String catalog, String schemaPattern, String functionNamePattern)
throws SQLException {
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true, catalog, schemaPattern, functionNamePattern);
// The pg_get_function_result only exists 8.4 or later
// boolean pgFuncResultExists = connection.haveMinimumServerVersion(ServerVersion.v8_4);
// Use query that support pg_get_function_result to get function result, else unknown is defaulted
// String funcTypeSql = DatabaseMetaData.functionResultUnknown + " ";
/* if (pgFuncResultExists) {
funcTypeSql = " CASE "
+ " WHEN (format_type(p.prorettype, null) = 'unknown') THEN " + DatabaseMetaData.functionResultUnknown
+ " WHEN "
+ " (substring(pg_get_function_result(p.oid) from 0 for 6) = 'TABLE') OR "
+ " (substring(pg_get_function_result(p.oid) from 0 for 6) = 'SETOF') THEN " + DatabaseMetaData.functionReturnsTable
+ " ELSE " + DatabaseMetaData.functionNoTable
+ " END ";
} */
// Build query and result
String sql;
sql = "SELECT routine_catalog AS FUNCTION_CAT, "
+ " routine_schema AS FUNCTION_SCHEM, "
+ " routine_name AS FUNCTION_NAME,"
+ " CAST('' AS VARCHAR(256)) AS REMARKS, "
+ " CASE data_type"
+ " WHEN 'USER-DEFINED' THEN 0"
+ " WHEN 'record' THEN 2"
+ " ELSE 1"
+ " END AS FUNCTION_TYPE, "
+ " specific_name AS SPECIFIC_NAME"
+ " FROM INFORMATION_SCHEMA.ROUTINES"
+ " WHERE routine_type LIKE 'FUNCTION' ";
/* sql = "SELECT current_database() AS FUNCTION_CAT, n.nspname AS FUNCTION_SCHEM, p.proname AS FUNCTION_NAME, "
+ " d.description AS REMARKS, "
+ funcTypeSql + " AS FUNCTION_TYPE, "
+ " p.proname || '_' || p.prooid AS SPECIFIC_NAME "
+ "FROM pg_catalog.pg_proc_info p "
+ "INNER JOIN pg_catalog.pg_namespace n ON p.pronamespace=n.oid "
+ "LEFT JOIN pg_catalog.pg_description d ON p.prooid=d.objoid "
+ "WHERE true "; */
sql += getCatalogFilterCondition(catalog);
/*
if the user provides a schema then search inside the schema for it
*/
if (schemaPattern != null && !schemaPattern.isEmpty()) {
// sql += " AND n.nspname LIKE " + escapeQuotes(schemaPattern);
sql += " AND routine_schema LIKE " + escapeQuotes(schemaPattern);
}
/* else {
// if no schema is provided then limit the search inside the search_path
sql += "and pg_function_is_visible(p.prooid)";
} */
if (functionNamePattern != null && !functionNamePattern.isEmpty()) {
// sql += " AND p.proname LIKE " + escapeQuotes(functionNamePattern);
sql += " AND routine_name LIKE " + escapeQuotes(functionNamePattern);;
}
/* if (connection.getHideUnprivilegedObjects()) {
sql += " AND has_function_privilege(p.prooid,'EXECUTE')";
} */
// sql += " ORDER BY FUNCTION_SCHEM, FUNCTION_NAME, p.prooid::text ";
sql += " ORDER BY routine_catalog, routine_schema, routine_name ";
ResultSet rs = createMetaDataStatement().executeQuery(sql);
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rs);
return rs;
}
public ResultSet getFunctionColumns(String catalog, String schemaPattern,
String functionNamePattern, String columnNamePattern)
throws SQLException {
int columns = 17;
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(true, catalog, schemaPattern, functionNamePattern, columnNamePattern);
/* Field[] f = new Field[columns];
List v = new ArrayList();
f[0] = new Field("FUNCTION_CAT", Oid.VARCHAR);
f[1] = new Field("FUNCTION_SCHEM", Oid.VARCHAR);
f[2] = new Field("FUNCTION_NAME", Oid.VARCHAR);
f[3] = new Field("COLUMN_NAME", Oid.VARCHAR);
f[4] = new Field("COLUMN_TYPE", Oid.INT2);
f[5] = new Field("DATA_TYPE", Oid.INT2);
f[6] = new Field("TYPE_NAME", Oid.VARCHAR);
f[7] = new Field("PRECISION", Oid.INT2);
f[8] = new Field("LENGTH", Oid.INT4);
f[9] = new Field("SCALE", Oid.INT2);
f[10] = new Field("RADIX", Oid.INT2);
f[11] = new Field("NULLABLE", Oid.INT2);
f[12] = new Field("REMARKS", Oid.VARCHAR);
f[13] = new Field("CHAR_OCTET_LENGTH", Oid.INT4);
f[14] = new Field("ORDINAL_POSITION", Oid.INT4);
f[15] = new Field("IS_NULLABLE", Oid.VARCHAR);
f[16] = new Field("SPECIFIC_NAME", Oid.VARCHAR);
*/
/* String sql;
sql = "SELECT n.nspname,p.proname,p.prorettype,p.proargtypes, t.typtype,t.typrelid, "
+ " p.proargnames, p.proargmodes, p.proallargtypes, p.prooid "
+ " FROM pg_catalog.pg_proc_info p, pg_catalog.pg_namespace n, pg_catalog.pg_type t "
+ " WHERE p.pronamespace=n.oid AND p.prorettype=t.oid ";
*/
final String unknownColumnSize = "2147483647";
final String superMaxLength = "4194304 ";
final String varbyteMaxLength = "1000000 ";
final String geographyMaxLength = "1000000 ";
StringBuilder functionColumnQuery = new StringBuilder();
functionColumnQuery.append(
"SELECT PROCEDURE_CAT AS FUNCTION_CAT, "
+ " PROCEDURE_SCHEM AS FUNCTION_SCHEM, "
+ " PROCEDURE_NAME AS FUNCTION_NAME,"
+ " COLUMN_NAME, "
+ " COLUMN_TYPE, "
+ " DATA_TYPE, "
+ " TYPE_NAME, "
+ " COLUMN_SIZE AS PRECISION, "
+ " LENGTH , "
+ " DECIMAL_DIGITS AS SCALE, "
+ " NUM_PREC_RADIX AS RADIX, "
+ " NULLABLE, "
+ " REMARKS, "
+ " CHAR_OCTET_LENGTH, "
+ " ORDINAL_POSITION, "
+ " IS_NULLABLE, "
+ " SPECIFIC_NAME "
+ " FROM (");
functionColumnQuery.append("SELECT current_database() AS PROCEDURE_CAT, "
+ " n.nspname as PROCEDURE_SCHEM, "
+ " p.proname AS PROCEDURE_NAME, "
+ " CAST(CASE ((array_upper(proargnames, 0) - array_lower(proargnames, 0)) > 0) "
+ " WHEN 't' THEN proargnames[array_upper(proargnames, 1)] "
+ " ELSE '' "
+ " END AS VARCHAR(256)) AS COLUMN_NAME, "
+ " CAST(CASE p.proretset "
+ " WHEN 't' THEN 3 "
+ " ELSE 5 "
+ " END AS SMALLINT) AS COLUMN_TYPE, "
+ " CAST(CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN '\"char\"' THEN 1"
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 6 "
+ " WHEN 'float8' THEN 6 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN '_float4' THEN 2003 "
+ " WHEN '_aclitem' THEN 2003 "
+ " WHEN '_text' THEN 2003 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN '_int4' THEN 2003 "
+ " WHEN '_int2' THEN 2003 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -1 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " ELSE 1111 "
+ " END AS SMALLINT) AS DATA_TYPE, "
+ " pg_catalog.format_type(p.prorettype, NULL) AS TYPE_NAME, "
+ " CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'varchar' THEN NULL "
+ " WHEN 'character varying' THEN NULL "
+ " WHEN '\"char\"' THEN NULL "
+ " WHEN 'character' THEN NULL "
+ " WHEN 'nchar' THEN NULL "
+ " WHEN 'bpchar' THEN NULL "
+ " WHEN 'nvarchar' THEN NULL "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'date' THEN NULL "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 10 "
+ " WHEN 'int' THEN 10 "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bigint' THEN 19 "
+ " WHEN 'int8' THEN 19 "
+ " WHEN 'decimal' THEN 38 "
+ " WHEN 'real' THEN 24 "
+ " WHEN 'float4' THEN 53 "
+ " WHEN 'double precision' THEN 53 "
+ " WHEN 'float8' THEN 53 "
+ " WHEN 'float' THEN 53 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN " + superMaxLength
+ " WHEN 'varbyte' THEN " + varbyteMaxLength
+ " WHEN 'geography' THEN " + geographyMaxLength
+ " WHEN 'intervaly2m' THEN 32 "
+ " WHEN 'intervald2s' THEN 64 "
+ " ELSE " + unknownColumnSize
+ " END AS COLUMN_SIZE, "
+ " CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'varchar' THEN NULL "
+ " WHEN 'character varying' THEN NULL "
+ " WHEN '\"char\"' THEN NULL "
+ " WHEN 'character' THEN NULL "
+ " WHEN 'nchar' THEN NULL "
+ " WHEN 'bpchar' THEN NULL "
+ " WHEN 'nvarchar' THEN NULL "
+ " WHEN 'date' THEN 6 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'smallint' THEN 2 "
+ " WHEN 'int2' THEN 2 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN 20 "
+ " WHEN 'int8' THEN 20 "
+ " WHEN 'decimal' THEN 8 "
+ " WHEN 'real' THEN 4 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 8 "
+ " WHEN 'float8' THEN 8 "
+ " WHEN 'float' THEN 8 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN " + superMaxLength
+ " WHEN 'varbyte' THEN " + varbyteMaxLength
+ " WHEN 'geography' THEN " + geographyMaxLength
+ " WHEN 'intervaly2m' THEN 4 "
+ " WHEN 'intervald2s' THEN 8 "
+ " END AS LENGTH, "
+ " CAST(CASE pg_catalog.format_type(p.prorettype, NULL) "
+ " WHEN 'smallint' THEN 0 "
+ " WHEN 'int2' THEN 0 "
+ " WHEN 'integer' THEN 0 "
+ " WHEN 'int' THEN 0 "
+ " WHEN 'int4' THEN 0 "
+ " WHEN 'bigint' THEN 0 "
+ " WHEN 'int8' THEN 0 "
+ " WHEN 'decimal' THEN 0 "
+ " WHEN 'real' THEN 8 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 17 "
+ " WHEN 'float' THEN 17 "
+ " WHEN 'float8' THEN 17 "
+ " WHEN 'numeric' THEN 0 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 6 "
+ " WHEN 'timestamp with time zone' THEN 6 "
+ " WHEN 'intervaly2m' THEN 0 "
+ " WHEN 'intervald2s' THEN 6 "
+ " ELSE NULL END AS SMALLINT) AS DECIMAL_DIGITS, "
+ " 10 AS NUM_PREC_RADIX, "
+ " CAST(2 AS SMALLINT) AS NULLABLE, "
+ " CAST('' AS VARCHAR(256)) AS REMARKS, "
+ " CAST(NULL AS SMALLINT) AS CHAR_OCTET_LENGTH, "
+ " CAST(0 AS SMALLINT) AS ORDINAL_POSITION, "
+ " CAST('' AS VARCHAR(256)) AS IS_NULLABLE, "
+ " p.proname || '_' || p.prooid AS SPECIFIC_NAME, "
+ " p.prooid as PROOID, "
+ " -1 AS PROARGINDEX "
+ " FROM pg_catalog.pg_proc_info p LEFT JOIN pg_namespace n ON n.oid = p.pronamespace "
+ " WHERE pg_catalog.format_type(p.prorettype, NULL) != 'void' "
+ " AND prokind = 'f' ");
functionColumnQuery.append(getCatalogFilterCondition(catalog));
if (schemaPattern != null && !schemaPattern.isEmpty()) {
// sql += " AND n.nspname LIKE " + escapeQuotes(schemaPattern);
functionColumnQuery.append(" AND n.nspname LIKE " + escapeQuotes(schemaPattern));
}
if (functionNamePattern != null && !functionNamePattern.isEmpty()) {
// sql += " AND p.proname LIKE " + escapeQuotes(functionNamePattern);
functionColumnQuery.append(" AND p.proname LIKE " + escapeQuotes(functionNamePattern));
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
functionColumnQuery.append(" AND COLUMN_NAME LIKE " + escapeQuotes(columnNamePattern));
}
functionColumnQuery.append(" UNION ALL ");
functionColumnQuery.append(" SELECT DISTINCT current_database() AS PROCEDURE_CAT, "
+ " PROCEDURE_SCHEM, "
+ " PROCEDURE_NAME, "
+ "CAST(CASE (char_length(COLUMN_NAME) > 0) WHEN 't' THEN COLUMN_NAME "
+ "ELSE '' "
+ "END AS VARCHAR(256)) AS COLUMN_NAME, "
+ " CAST( CASE COLUMN_TYPE "
+ " WHEN 105 THEN 1 "
+ " WHEN 98 THEN 2 "
+ " WHEN 111 THEN 4 "
+ " ELSE 5 END AS SMALLINT) AS COLUMN_TYPE, "
+ " CAST(CASE DATA_TYPE "
+ " WHEN 'text' THEN 12 "
+ " WHEN 'bit' THEN -7 "
+ " WHEN 'bool' THEN -7 "
+ " WHEN 'boolean' THEN -7 "
+ " WHEN 'varchar' THEN 12 "
+ " WHEN 'character varying' THEN 12 "
+ " WHEN '\"char\"' THEN 1 "
+ " WHEN 'char' THEN 1 "
+ " WHEN 'character' THEN 1 "
+ " WHEN 'nchar' THEN 1 "
+ " WHEN 'bpchar' THEN 1 "
+ " WHEN 'nvarchar' THEN 12 "
+ " WHEN 'date' THEN 91 "
+ " WHEN 'timestamp' THEN 93 "
+ " WHEN 'timestamp without time zone' THEN 93 "
+ " WHEN 'timestamptz' THEN 2014 "
+ " WHEN 'timestamp with time zone' THEN 2014 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN -5 "
+ " WHEN 'int8' THEN -5 "
+ " WHEN 'real' THEN 7 "
+ " WHEN 'float4' THEN 7 "
+ " WHEN 'double precision' THEN 6 "
+ " WHEN 'float8' THEN 6 "
+ " WHEN 'float' THEN 6 "
+ " WHEN 'decimal' THEN 3 "
+ " WHEN 'numeric' THEN 2 "
+ " WHEN 'bytea' THEN -2 "
+ " WHEN 'oid' THEN -5 "
+ " WHEN 'name' THEN 12 "
+ " WHEN 'ARRAY' THEN 2003 "
+ " WHEN 'geometry' THEN -4 "
+ " WHEN 'super' THEN -1 "
+ " WHEN 'varbyte' THEN -4 "
+ " WHEN 'geography' THEN -4 "
+ " WHEN 'intervaly2m' THEN 1111 "
+ " WHEN 'intervald2s' THEN 1111 "
+ " ELSE 1111 "
+ " END AS SMALLINT) AS DATA_TYPE, "
+ " TYPE_NAME, "
+ " CASE COLUMN_SIZE "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'varchar' THEN NULL "
+ " WHEN 'character varying' THEN NULL "
+ " WHEN '\"char\"' THEN NULL "
+ " WHEN 'character' THEN NULL "
+ " WHEN 'nchar' THEN NULL "
+ " WHEN 'bpchar' THEN NULL "
+ " WHEN 'nvarchar' THEN NULL "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'date' THEN NULL "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'smallint' THEN 5 "
+ " WHEN 'int2' THEN 5 "
+ " WHEN 'integer' THEN 10 "
+ " WHEN 'int' THEN 10 "
+ " WHEN 'int4' THEN 10 "
+ " WHEN 'bigint' THEN 19 "
+ " WHEN 'int8' THEN 19 "
+ " WHEN 'decimal' THEN 38 "
+ " WHEN 'real' THEN 24 "
+ " WHEN 'float4' THEN 53 "
+ " WHEN 'double precision' THEN 53 "
+ " WHEN 'float8' THEN 53 "
+ " WHEN 'float' THEN 53 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN " + superMaxLength
+ " WHEN 'varbyte' THEN " + varbyteMaxLength
+ " WHEN 'geography' THEN " + geographyMaxLength
+ " WHEN 'intervaly2m' THEN NULL "
+ " WHEN 'intervald2s' THEN NULL "
+ " ELSE " + unknownColumnSize
+ " END AS COLUMN_SIZE, "
+ " CASE LENGTH "
+ " WHEN 'text' THEN NULL "
+ " WHEN 'varchar' THEN NULL "
+ " WHEN 'character varying' THEN NULL "
+ " WHEN '\"char\"' THEN NULL "
+ " WHEN 'character' THEN NULL "
+ " WHEN 'nchar' THEN NULL "
+ " WHEN 'bpchar' THEN NULL "
+ " WHEN 'nvarchar' THEN NULL "
+ " WHEN 'date' THEN 6 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'smallint' THEN 2 "
+ " WHEN 'int2' THEN 2 "
+ " WHEN 'integer' THEN 4 "
+ " WHEN 'int' THEN 4 "
+ " WHEN 'int4' THEN 4 "
+ " WHEN 'bigint' THEN 20 "
+ " WHEN 'int8' THEN 20 "
+ " WHEN 'decimal' THEN 8 "
+ " WHEN 'real' THEN 4 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 8 "
+ " WHEN 'float8' THEN 8 "
+ " WHEN 'float' THEN 8 "
+ " WHEN 'geometry' THEN NULL "
+ " WHEN 'super' THEN " + superMaxLength
+ " WHEN 'varbyte' THEN " + varbyteMaxLength
+ " WHEN 'geography' THEN " + geographyMaxLength
+ " WHEN 'intervaly2m' THEN 4 "
+ " WHEN 'intervald2s' THEN 8 "
+ " END AS LENGTH, "
+ " CAST(CASE DECIMAL_DIGITS "
+ " WHEN 'smallint' THEN 0 "
+ " WHEN 'int2' THEN 0 "
+ " WHEN 'integer' THEN 0 "
+ " WHEN 'int' THEN 0 "
+ " WHEN 'int4' THEN 0 "
+ " WHEN 'bigint' THEN 0 "
+ " WHEN 'int8' THEN 0 "
+ " WHEN 'decimal' THEN 0 "
+ " WHEN 'real' THEN 8 "
+ " WHEN 'float4' THEN 8 "
+ " WHEN 'double precision' THEN 17 "
+ " WHEN 'float' THEN 17 "
+ " WHEN 'float8' THEN 17 "
+ " WHEN 'numeric' THEN 0 "
+ " WHEN 'timestamp' THEN 6 "
+ " WHEN 'timestamp without time zone' THEN 6 "
+ " WHEN 'timestamptz' THEN 6 "
+ " WHEN 'timestamp with time zone' THEN 6 "
+ " WHEN 'intervaly2m' THEN 0 "
+ " WHEN 'intervald2s' THEN 6 "
+ " ELSE NULL END AS SMALLINT) AS DECIMAL_DIGITS, "
+ " 10 AS NUM_PREC_RADIX, "
+ " CAST(2 AS SMALLINT) AS NULLABLE, "
+ " CAST(''AS VARCHAR(256)) AS REMARKS, "
+ " CAST(NULL AS SMALLINT) AS CHAR_OCTET_LENGTH, "
+ " PROARGINDEX AS ORDINAL_POSITION, "
+ " CAST(''AS VARCHAR(256)) AS IS_NULLABLE, "
+ " SPECIFIC_NAME, PROOID, PROARGINDEX "
+ " FROM ( "
+ " SELECT current_database() AS PROCEDURE_CAT,"
+ " n.nspname AS PROCEDURE_SCHEM, "
+ " proname AS PROCEDURE_NAME, "
+ " CASE WHEN (proallargtypes is NULL) THEN proargnames[pos+1] "
+ " ELSE proargnames[pos] END AS COLUMN_NAME,"
+ " CASE WHEN proargmodes is NULL THEN 105 "
+ " ELSE CAST(proargmodes[pos] AS INT) END AS COLUMN_TYPE, "
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS DATA_TYPE,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL) "
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS TYPE_NAME,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS COLUMN_SIZE,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS LENGTH,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS DECIMAL_DIGITS,"
+ " CASE WHEN proallargtypes is NULL THEN pg_catalog.format_type(proargtypes[pos], NULL)"
+ " ELSE pg_catalog.format_type(proallargtypes[pos], NULL) END AS RADIX,"
+ " CAST(2 AS SMALLINT) AS NULLABLE,"
+ " CAST(''AS VARCHAR(256)) AS REMARKS,"
+ " pg_catalog.format_type(proargtypes[pos], NULL) AS CHAR_OCTET_LENGTH,"
+ " CASE WHEN (proallargtypes is NULL) THEN pos+1"
+ " WHEN pos = array_upper(proallargtypes, 1) THEN 0"
+ " ELSE pos END AS ORDINAL_POSITION,"
+ " CAST('' AS VARCHAR(256)) AS IS_NULLABLE,"
+ " p.prooid AS PROOID,"
+ " CASE WHEN (proallargtypes is NULL) THEN pos+1"
+ " WHEN prokind = 'f' AND pos = array_upper(proallargtypes, 1) THEN 0"
+ " ELSE pos END AS PROARGINDEX, "
+ " p.proname || '_' || p.prooid AS SPECIFIC_NAME "
+ " FROM (pg_catalog.pg_proc_info p LEFT JOIN pg_namespace n"
+ " ON n.oid = p.pronamespace)"
+ " LEFT JOIN (SELECT "
+ " CASE WHEN (proallargtypes IS NULL) "
+ " THEN generate_series(array_lower(proargnames, 1), array_upper(proargnames, 1))-1"
+ " ELSE generate_series(array_lower(proargnames, 1), array_upper(proargnames, 1)+1)-1 "
+ " END AS pos"
+ " FROM pg_catalog.pg_proc_info p ) AS s ON (pos >= 0 AND pos <= pronargs+1)"
+ " WHERE prokind = 'f' ");
if (schemaPattern != null && !schemaPattern.isEmpty()) {
functionColumnQuery.append(" AND n.nspname LIKE " + escapeQuotes(schemaPattern));
}
if (functionNamePattern != null && !functionNamePattern.isEmpty()) {
functionColumnQuery.append(" AND p.proname LIKE " + escapeQuotes(functionNamePattern));
}
if (columnNamePattern != null && !columnNamePattern.isEmpty()) {
functionColumnQuery.append(" AND COLUMN_NAME LIKE " + escapeQuotes(columnNamePattern));
}
functionColumnQuery.append(" ) AS INPUT_PARAM_TABLE"
+ " WHERE ORDINAL_POSITION IS NOT NULL"
+ " ) AS RESULT_SET WHERE (DATA_TYPE != 1111 OR (TYPE_NAME IS NOT NULL AND TYPE_NAME != '-'))"
+ " ORDER BY PROCEDURE_CAT ,PROCEDURE_SCHEM,"
+ " PROCEDURE_NAME, PROOID, PROARGINDEX, COLUMN_TYPE DESC");
// sql += " ORDER BY n.nspname, p.proname, p.prooid::text ";
// byte[] isnullableUnknown = new byte[0];
// Statement stmt = connection.createStatement();
// ResultSet rs = stmt.executeQuery(functionColumnQuery.toString()); // sql
/*
while (rs.next()) {
byte[] schema = rs.getBytes("nspname");
byte[] functionName = rs.getBytes("proname");
byte[] specificName =
connection.encodeString(rs.getString("proname") + "_" + rs.getString("prooid"));
int returnType = (int) rs.getLong("prorettype");
String returnTypeType = rs.getString("typtype");
int returnTypeRelid = (int) rs.getLong("typrelid");
String strArgTypes = rs.getString("proargtypes");
StringTokenizer st = new StringTokenizer(strArgTypes);
List argTypes = new ArrayList();
while (st.hasMoreTokens()) {
argTypes.add(Long.valueOf(st.nextToken()));
}
String[] argNames = null;
Array argNamesArray = rs.getArray("proargnames");
if (argNamesArray != null) {
argNames = (String[]) argNamesArray.getArray();
}
String[] argModes = null;
Array argModesArray = rs.getArray("proargmodes");
if (argModesArray != null) {
argModes = (String[]) argModesArray.getArray();
}
int numArgs = argTypes.size();
Long[] allArgTypes = null;
Array allArgTypesArray = rs.getArray("proallargtypes");
if (allArgTypesArray != null) {
allArgTypes = (Long[]) allArgTypesArray.getArray();
numArgs = allArgTypes.length;
}
// decide if we are returning a single column result.
if (returnTypeType.equals("b") || returnTypeType.equals("d") || returnTypeType.equals("e")
|| (returnTypeType.equals("p") && argModesArray == null)) {
byte[][] tuple = new byte[columns][];
tuple[0] = connection.encodeString(connection.getCatalog());
tuple[1] = schema;
tuple[2] = functionName;
tuple[3] = connection.encodeString("returnValue");
tuple[4] = connection
.encodeString(Integer.toString(java.sql.DatabaseMetaData.functionReturn));
tuple[5] = connection
.encodeString(Integer.toString(connection.getTypeInfo().getSQLType(returnType)));
tuple[6] = connection.encodeString(connection.getTypeInfo().getRSType(returnType));
tuple[7] = null;
tuple[8] = null;
tuple[9] = null;
tuple[10] = null;
tuple[11] = connection
.encodeString(Integer.toString(java.sql.DatabaseMetaData.functionNullableUnknown));
tuple[12] = null;
tuple[14] = connection.encodeString(Integer.toString(0));
tuple[15] = isnullableUnknown;
tuple[16] = specificName;
v.add(new Tuple(tuple));
}
// Add a row for each argument.
for (int i = 0; i < numArgs; i++) {
byte[][] tuple = new byte[columns][];
tuple[0] = connection.encodeString(connection.getCatalog());
tuple[1] = schema;
tuple[2] = functionName;
if (argNames != null) {
tuple[3] = connection.encodeString(argNames[i]);
} else {
tuple[3] = connection.encodeString("$" + (i + 1));
}
int columnMode = DatabaseMetaData.functionColumnIn;
if (argModes != null && argModes[i] != null) {
if (argModes[i].equals("o")) {
columnMode = DatabaseMetaData.functionColumnOut;
} else if (argModes[i].equals("b")) {
columnMode = DatabaseMetaData.functionColumnInOut;
} else if (argModes[i].equals("t")) {
columnMode = DatabaseMetaData.functionReturn;
}
}
tuple[4] = connection.encodeString(Integer.toString(columnMode));
int argOid;
if (allArgTypes != null) {
argOid = allArgTypes[i].intValue();
} else {
argOid = argTypes.get(i).intValue();
}
tuple[5] =
connection.encodeString(Integer.toString(connection.getTypeInfo().getSQLType(argOid)));
tuple[6] = connection.encodeString(connection.getTypeInfo().getRSType(argOid));
tuple[7] = null;
tuple[8] = null;
tuple[9] = null;
tuple[10] = null;
tuple[11] =
connection.encodeString(Integer.toString(DatabaseMetaData.functionNullableUnknown));
tuple[12] = null;
tuple[14] = connection.encodeString(Integer.toString(i + 1));
tuple[15] = isnullableUnknown;
tuple[16] = specificName;
v.add(new Tuple(tuple));
}
// if we are returning a multi-column result.
if (returnTypeType.equals("c") || (returnTypeType.equals("p") && argModesArray != null)) {
String columnsql = "SELECT a.attname,a.atttypid FROM pg_catalog.pg_attribute a "
+ " WHERE a.attrelid = " + returnTypeRelid
+ " AND NOT a.attisdropped AND a.attnum > 0 ORDER BY a.attnum ";
Statement columnstmt = connection.createStatement();
ResultSet columnrs = columnstmt.executeQuery(columnsql);
while (columnrs.next()) {
int columnTypeOid = (int) columnrs.getLong("atttypid");
byte[][] tuple = new byte[columns][];
tuple[0] = connection.encodeString(connection.getCatalog());
tuple[1] = schema;
tuple[2] = functionName;
tuple[3] = columnrs.getBytes("attname");
tuple[4] = connection
.encodeString(Integer.toString(java.sql.DatabaseMetaData.functionColumnResult));
tuple[5] = connection
.encodeString(Integer.toString(connection.getTypeInfo().getSQLType(columnTypeOid)));
tuple[6] = connection.encodeString(connection.getTypeInfo().getRSType(columnTypeOid));
tuple[7] = null;
tuple[8] = null;
tuple[9] = null;
tuple[10] = null;
tuple[11] = connection
.encodeString(Integer.toString(java.sql.DatabaseMetaData.functionNullableUnknown));
tuple[12] = null;
tuple[14] = connection.encodeString(Integer.toString(0));
tuple[15] = isnullableUnknown;
tuple[16] = specificName;
v.add(new Tuple(tuple));
}
columnrs.close();
columnstmt.close();
}
}
*/
// rs.close();
// stmt.close();
// ResultSet rc = ((BaseStatement) createMetaDataStatement()).createDriverResultSet(f, v);
ResultSet rc = createMetaDataStatement().executeQuery(functionColumnQuery.toString());
if (RedshiftLogger.isEnable())
connection.getLogger().logFunction(false, rc);
return rc;
}
public ResultSet getPseudoColumns(String catalog, String schemaPattern, String tableNamePattern,
String columnNamePattern) throws SQLException {
throw com.amazon.redshift.Driver.notImplemented(this.getClass(),
"getPseudoColumns(String, String, String, String)");
}
public boolean generatedKeyAlwaysReturned() throws SQLException {
return true;
}
public boolean supportsSavepoints() throws SQLException {
return true;
}
public boolean supportsNamedParameters() throws SQLException {
return false;
}
public boolean supportsMultipleOpenResults() throws SQLException {
return false;
}
public boolean supportsGetGeneratedKeys() throws SQLException {
// We don't support returning generated keys by column index,
// but that should be a rarer case than the ones we do support.
//
return true;
}
public ResultSet getSuperTypes(String catalog, String schemaPattern, String typeNamePattern)
throws SQLException {
throw com.amazon.redshift.Driver.notImplemented(this.getClass(),
"getSuperTypes(String,String,String)");
}
public ResultSet getSuperTables(String catalog, String schemaPattern, String tableNamePattern)
throws SQLException {
throw com.amazon.redshift.Driver.notImplemented(this.getClass(),
"getSuperTables(String,String,String,String)");
}
public ResultSet getAttributes(String catalog, String schemaPattern, String typeNamePattern,
String attributeNamePattern) throws SQLException {
throw com.amazon.redshift.Driver.notImplemented(this.getClass(),
"getAttributes(String,String,String,String)");
}
public boolean supportsResultSetHoldability(int holdability) throws SQLException {
return true;
}
public int getResultSetHoldability() throws SQLException {
return ResultSet.HOLD_CURSORS_OVER_COMMIT;
}
@Override
public int getDatabaseMajorVersion() throws SQLException {
return connection.getServerMajorVersion();
}
@Override
public int getDatabaseMinorVersion() throws SQLException {
return connection.getServerMinorVersion();
}
@Override
public int getJDBCMajorVersion() {
return com.amazon.redshift.util.DriverInfo.JDBC_MAJOR_VERSION;
}
@Override
public int getJDBCMinorVersion() {
return com.amazon.redshift.util.DriverInfo.JDBC_MINOR_VERSION;
}
public int getSQLStateType() throws SQLException {
return sqlStateSQL;
}
public boolean locatorsUpdateCopy() throws SQLException {
/*
* Currently LOB's aren't updateable at all, so it doesn't matter what we return. We don't throw
* the notImplemented Exception because the 1.5 JDK's CachedRowSet calls this method regardless
* of whether large objects are used.
*/
return true;
}
public boolean supportsStatementPooling() throws SQLException {
return false;
}
/**
* Helper method to determine if there is a possible external schema pattern match.
*
* @throws SQLException If an error occurs.
*/
private int getExtSchemaPatternMatch(String schemaPattern)
throws SQLException
{
if (null != schemaPattern && !schemaPattern.equals(""))
{
if (isSingleDatabaseMetaData()) {
String sql = "select 1 from svv_external_schemas where schemaname like "
+ escapeQuotes(schemaPattern);
Statement stmt = null;
ResultSet rs = null;
try {
stmt = connection.createStatement();
rs = stmt.executeQuery(sql);
if (rs.next()) {
return EXTERNAL_SCHEMA_QUERY; // Optimized query
}
else
return LOCAL_SCHEMA_QUERY; // Only local schema
}
finally {
if (rs != null)
rs.close();
if (stmt != null)
stmt.close();
}
}
else {
// Datashare or cross-db support always go through
// svv_all* view.
return NO_SCHEMA_UNIVERSAL_QUERY; // Query both external and local schema
}
}
else
{
// If the schema filter is null or empty, treat it as if there was a
// matching schema found.
return NO_SCHEMA_UNIVERSAL_QUERY; // Query both external and local schema
}
}
public boolean isSingleDatabaseMetaData()
{
if (isCrossDatasharingEnableInServer())
{
return false;
}
else
{
return (isDatabaseMetadataCurrentDbOnly()
|| !isMultiDatabasesCatalogEnableInServer());
}
}
private boolean isDatabaseMetadataCurrentDbOnly() {
return connection.isDatabaseMetadataCurrentDbOnly();
}
private boolean isMultiDatabasesCatalogEnableInServer() {
return connection.getQueryExecutor().isDatashareEnabled();
}
private boolean isCrossDatasharingEnableInServer() {
return connection.getQueryExecutor().isCrossDatasharingEnabled();
}
private String getCatalogFilterCondition(String catalog) throws SQLException {
return getCatalogFilterCondition(catalog, true, null);
}
private String getCatalogFilterCondition(String catalog, boolean apiSupportedOnlyForConnectedDatabase, String databaseColName) throws SQLException {
String catalogFilter = "";
if (catalog != null && !catalog.isEmpty()) {
if (isSingleDatabaseMetaData()
|| apiSupportedOnlyForConnectedDatabase) {
// Catalog parameter is not a pattern.
catalogFilter = " AND current_database() = " + escapeOnlyQuotes(catalog);
}
else {
if (databaseColName == null)
databaseColName = "database_name";
catalogFilter = " AND " + databaseColName + " = " + escapeOnlyQuotes(catalog);
}
}
return catalogFilter;
}
}