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/*
* Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.jdbc;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.RowIdLifetime;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Properties;
import org.h2.engine.Constants;
import org.h2.engine.SysProperties;
import org.h2.message.DbException;
import org.h2.message.Trace;
import org.h2.message.TraceObject;
import org.h2.tools.SimpleResultSet;
import org.h2.util.StatementBuilder;
import org.h2.util.StringUtils;
/**
* Represents the meta data for a database.
*/
public class JdbcDatabaseMetaData extends TraceObject implements
DatabaseMetaData, JdbcDatabaseMetaDataBackwardsCompat {
private final JdbcConnection conn;
JdbcDatabaseMetaData(JdbcConnection conn, Trace trace, int id) {
setTrace(trace, TraceObject.DATABASE_META_DATA, id);
this.conn = conn;
}
/**
* Returns the major version of this driver.
*
* @return the major version number
*/
@Override
public int getDriverMajorVersion() {
debugCodeCall("getDriverMajorVersion");
return Constants.VERSION_MAJOR;
}
/**
* Returns the minor version of this driver.
*
* @return the minor version number
*/
@Override
public int getDriverMinorVersion() {
debugCodeCall("getDriverMinorVersion");
return Constants.VERSION_MINOR;
}
/**
* Gets the database product name.
*
* @return the product name ("H2")
*/
@Override
public String getDatabaseProductName() {
debugCodeCall("getDatabaseProductName");
// This value must stay like that, see
// http://opensource.atlassian.com/projects/hibernate/browse/HHH-2682
return "H2";
}
/**
* Gets the product version of the database.
*
* @return the product version
*/
@Override
public String getDatabaseProductVersion() {
debugCodeCall("getDatabaseProductVersion");
return Constants.getFullVersion();
}
/**
* Gets the name of the JDBC driver.
*
* @return the driver name ("H2 JDBC Driver")
*/
@Override
public String getDriverName() {
debugCodeCall("getDriverName");
return "H2 JDBC Driver";
}
/**
* Gets the version number of the driver. The format is
* [MajorVersion].[MinorVersion].
*
* @return the version number
*/
@Override
public String getDriverVersion() {
debugCodeCall("getDriverVersion");
return Constants.getFullVersion();
}
/**
* Gets the list of tables in the database. The result set is sorted by
* TABLE_TYPE, TABLE_SCHEM, and TABLE_NAME.
*
*
*
1 TABLE_CAT (String) table catalog
*
2 TABLE_SCHEM (String) table schema
*
3 TABLE_NAME (String) table name
*
4 TABLE_TYPE (String) table type
*
5 REMARKS (String) comment
*
6 TYPE_CAT (String) always null
*
7 TYPE_SCHEM (String) always null
*
8 TYPE_NAME (String) always null
*
9 SELF_REFERENCING_COL_NAME (String) always null
*
10 REF_GENERATION (String) always null
*
11 SQL (String) the create table statement or NULL for systems tables
*
*
*
* @param catalogPattern null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableNamePattern null (to get all objects) or a table name
* (uppercase for unquoted names)
* @param types null or a list of table types
* @return the list of columns
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getTables(String catalogPattern, String schemaPattern,
String tableNamePattern, String[] types) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getTables(" + quote(catalogPattern) + ", " +
quote(schemaPattern) + ", " + quote(tableNamePattern) +
", " + quoteArray(types) + ");");
}
checkClosed();
String tableType;
if (types != null && types.length > 0) {
StatementBuilder buff = new StatementBuilder("TABLE_TYPE IN(");
for (int i = 0; i < types.length; i++) {
buff.appendExceptFirst(", ");
buff.append('?');
}
tableType = buff.append(')').toString();
} else {
tableType = "TRUE";
}
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TABLE_CATALOG TABLE_CAT, "
+ "TABLE_SCHEMA TABLE_SCHEM, "
+ "TABLE_NAME, "
+ "TABLE_TYPE, "
+ "REMARKS, "
+ "TYPE_NAME TYPE_CAT, "
+ "TYPE_NAME TYPE_SCHEM, "
+ "TYPE_NAME, "
+ "TYPE_NAME SELF_REFERENCING_COL_NAME, "
+ "TYPE_NAME REF_GENERATION, "
+ "SQL "
+ "FROM INFORMATION_SCHEMA.TABLES "
+ "WHERE TABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND TABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND TABLE_NAME LIKE ? ESCAPE ? "
+ "AND (" + tableType + ") "
+ "ORDER BY TABLE_TYPE, TABLE_SCHEMA, TABLE_NAME");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, getPattern(tableNamePattern));
prep.setString(6, "\\");
for (int i = 0; types != null && i < types.length; i++) {
prep.setString(7 + i, types[i]);
}
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of columns. The result set is sorted by TABLE_SCHEM,
* TABLE_NAME, and ORDINAL_POSITION.
*
*
*
1 TABLE_CAT (String) table catalog
*
2 TABLE_SCHEM (String) table schema
*
3 TABLE_NAME (String) table name
*
4 COLUMN_NAME (String) column name
*
5 DATA_TYPE (short) data type (see java.sql.Types)
*
6 TYPE_NAME (String) data type name ("INTEGER", "VARCHAR",...)
*
7 COLUMN_SIZE (int) precision
* (values larger than 2 GB are returned as 2 GB)
*
8 BUFFER_LENGTH (int) unused
*
9 DECIMAL_DIGITS (int) scale (0 for INTEGER and VARCHAR)
*
10 NUM_PREC_RADIX (int) radix (always 10)
*
11 NULLABLE (int) columnNoNulls or columnNullable
*
12 REMARKS (String) comment (always empty)
*
13 COLUMN_DEF (String) default value
*
14 SQL_DATA_TYPE (int) unused
*
15 SQL_DATETIME_SUB (int) unused
*
16 CHAR_OCTET_LENGTH (int) unused
*
17 ORDINAL_POSITION (int) the column index (1,2,...)
*
18 IS_NULLABLE (String) "NO" or "YES"
*
19 SCOPE_CATALOG (String) always null
*
20 SCOPE_SCHEMA (String) always null
*
21 SCOPE_TABLE (String) always null
*
22 SOURCE_DATA_TYPE (short) null
*
23 IS_AUTOINCREMENT (String) "NO" or "YES"
*
24 SCOPE_CATLOG (String) always null (the typo is on purpose,
* for compatibility with the JDBC specification prior to 4.1)
*
*
* @param catalogPattern null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableNamePattern null (to get all objects) or a table name
* (uppercase for unquoted names)
* @param columnNamePattern null (to get all objects) or a column name
* (uppercase for unquoted names)
* @return the list of columns
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getColumns(String catalogPattern, String schemaPattern,
String tableNamePattern, String columnNamePattern)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getColumns(" + quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(tableNamePattern)+", "
+quote(columnNamePattern)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TABLE_CATALOG TABLE_CAT, "
+ "TABLE_SCHEMA TABLE_SCHEM, "
+ "TABLE_NAME, "
+ "COLUMN_NAME, "
+ "DATA_TYPE, "
+ "TYPE_NAME, "
+ "CHARACTER_MAXIMUM_LENGTH COLUMN_SIZE, "
+ "CHARACTER_MAXIMUM_LENGTH BUFFER_LENGTH, "
+ "NUMERIC_SCALE DECIMAL_DIGITS, "
+ "NUMERIC_PRECISION_RADIX NUM_PREC_RADIX, "
+ "NULLABLE, "
+ "REMARKS, "
+ "COLUMN_DEFAULT COLUMN_DEF, "
+ "DATA_TYPE SQL_DATA_TYPE, "
+ "ZERO() SQL_DATETIME_SUB, "
+ "CHARACTER_OCTET_LENGTH CHAR_OCTET_LENGTH, "
+ "ORDINAL_POSITION, "
+ "IS_NULLABLE IS_NULLABLE, "
+ "CAST(SOURCE_DATA_TYPE AS VARCHAR) SCOPE_CATALOG, "
+ "CAST(SOURCE_DATA_TYPE AS VARCHAR) SCOPE_SCHEMA, "
+ "CAST(SOURCE_DATA_TYPE AS VARCHAR) SCOPE_TABLE, "
+ "SOURCE_DATA_TYPE, "
+ "CASE WHEN SEQUENCE_NAME IS NULL THEN "
+ "CAST(? AS VARCHAR) ELSE CAST(? AS VARCHAR) END IS_AUTOINCREMENT, "
+ "CAST(SOURCE_DATA_TYPE AS VARCHAR) SCOPE_CATLOG "
+ "FROM INFORMATION_SCHEMA.COLUMNS "
+ "WHERE TABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND TABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND TABLE_NAME LIKE ? ESCAPE ? "
+ "AND COLUMN_NAME LIKE ? ESCAPE ? "
+ "ORDER BY TABLE_SCHEM, TABLE_NAME, ORDINAL_POSITION");
prep.setString(1, "NO");
prep.setString(2, "YES");
prep.setString(3, getCatalogPattern(catalogPattern));
prep.setString(4, "\\");
prep.setString(5, getSchemaPattern(schemaPattern));
prep.setString(6, "\\");
prep.setString(7, getPattern(tableNamePattern));
prep.setString(8, "\\");
prep.setString(9, getPattern(columnNamePattern));
prep.setString(10, "\\");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of indexes for this database. The primary key index (if
* there is one) is also listed, with the name PRIMARY_KEY. The result set
* is sorted by NON_UNIQUE ('false' first), TYPE, TABLE_SCHEM, INDEX_NAME,
* and ORDINAL_POSITION.
*
*
*
1 TABLE_CAT (String) table catalog
*
2 TABLE_SCHEM (String) table schema
*
3 TABLE_NAME (String) table name
*
4 NON_UNIQUE (boolean) 'true' if non-unique
*
5 INDEX_QUALIFIER (String) index catalog
*
6 INDEX_NAME (String) index name
*
7 TYPE (short) the index type (always tableIndexOther)
*
8 ORDINAL_POSITION (short) column index (1, 2, ...)
*
9 COLUMN_NAME (String) column name
*
10 ASC_OR_DESC (String) ascending or descending (always 'A')
14 SORT_TYPE (int) the sort type bit map: 1=DESCENDING,
* 2=NULLS_FIRST, 4=NULLS_LAST
*
*
* @param catalogPattern null or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableName table name (must be specified)
* @param unique only unique indexes
* @param approximate is ignored
* @return the list of indexes and columns
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getIndexInfo(String catalogPattern, String schemaPattern,
String tableName, boolean unique, boolean approximate)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getIndexInfo(" + quote(catalogPattern) + ", " +
quote(schemaPattern) + ", " + quote(tableName) + ", " +
unique + ", " + approximate + ");");
}
String uniqueCondition;
if (unique) {
uniqueCondition = "NON_UNIQUE=FALSE";
} else {
uniqueCondition = "TRUE";
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TABLE_CATALOG TABLE_CAT, "
+ "TABLE_SCHEMA TABLE_SCHEM, "
+ "TABLE_NAME, "
+ "NON_UNIQUE, "
+ "TABLE_CATALOG INDEX_QUALIFIER, "
+ "INDEX_NAME, "
+ "INDEX_TYPE TYPE, "
+ "ORDINAL_POSITION, "
+ "COLUMN_NAME, "
+ "ASC_OR_DESC, "
// TODO meta data for number of unique values in an index
+ "CARDINALITY, "
+ "PAGES, "
+ "FILTER_CONDITION, "
+ "SORT_TYPE "
+ "FROM INFORMATION_SCHEMA.INDEXES "
+ "WHERE TABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND TABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND (" + uniqueCondition + ") "
+ "AND TABLE_NAME = ? "
+ "ORDER BY NON_UNIQUE, TYPE, TABLE_SCHEM, INDEX_NAME, ORDINAL_POSITION");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, tableName);
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the primary key columns for a table. The result set is sorted by
* TABLE_SCHEM, and COLUMN_NAME (and not by KEY_SEQ).
*
*
*
1 TABLE_CAT (String) table catalog
*
2 TABLE_SCHEM (String) table schema
*
3 TABLE_NAME (String) table name
*
4 COLUMN_NAME (String) column name
*
5 KEY_SEQ (short) the column index of this column (1,2,...)
*
6 PK_NAME (String) the name of the primary key index
*
*
* @param catalogPattern null or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableName table name (must be specified)
* @return the list of primary key columns
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getPrimaryKeys(String catalogPattern,
String schemaPattern, String tableName) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getPrimaryKeys("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(tableName)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TABLE_CATALOG TABLE_CAT, "
+ "TABLE_SCHEMA TABLE_SCHEM, "
+ "TABLE_NAME, "
+ "COLUMN_NAME, "
+ "ORDINAL_POSITION KEY_SEQ, "
+ "IFNULL(CONSTRAINT_NAME, INDEX_NAME) PK_NAME "
+ "FROM INFORMATION_SCHEMA.INDEXES "
+ "WHERE TABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND TABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND TABLE_NAME = ? "
+ "AND PRIMARY_KEY = TRUE "
+ "ORDER BY COLUMN_NAME");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, tableName);
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Checks if all procedures callable.
*
* @return true
*/
@Override
public boolean allProceduresAreCallable() {
debugCodeCall("allProceduresAreCallable");
return true;
}
/**
* Checks if it possible to query all tables returned by getTables.
*
* @return true
*/
@Override
public boolean allTablesAreSelectable() {
debugCodeCall("allTablesAreSelectable");
return true;
}
/**
* Returns the database URL for this connection.
*
* @return the url
*/
@Override
public String getURL() throws SQLException {
try {
debugCodeCall("getURL");
return conn.getURL();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Returns the user name as passed to DriverManager.getConnection(url, user,
* password).
*
* @return the user name
*/
@Override
public String getUserName() throws SQLException {
try {
debugCodeCall("getUserName");
return conn.getUser();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Returns the same as Connection.isReadOnly().
*
* @return if read only optimization is switched on
*/
@Override
public boolean isReadOnly() throws SQLException {
try {
debugCodeCall("isReadOnly");
return conn.isReadOnly();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Checks if NULL is sorted high (bigger than anything that is not null).
*
* @return false by default; true if the system property h2.sortNullsHigh is
* set to true
*/
@Override
public boolean nullsAreSortedHigh() {
debugCodeCall("nullsAreSortedHigh");
return SysProperties.SORT_NULLS_HIGH;
}
/**
* Checks if NULL is sorted low (smaller than anything that is not null).
*
* @return true by default; false if the system property h2.sortNullsHigh is
* set to true
*/
@Override
public boolean nullsAreSortedLow() {
debugCodeCall("nullsAreSortedLow");
return !SysProperties.SORT_NULLS_HIGH;
}
/**
* Checks if NULL is sorted at the beginning (no matter if ASC or DESC is
* used).
*
* @return false
*/
@Override
public boolean nullsAreSortedAtStart() {
debugCodeCall("nullsAreSortedAtStart");
return false;
}
/**
* Checks if NULL is sorted at the end (no matter if ASC or DESC is used).
*
* @return false
*/
@Override
public boolean nullsAreSortedAtEnd() {
debugCodeCall("nullsAreSortedAtEnd");
return false;
}
/**
* Returns the connection that created this object.
*
* @return the connection
*/
@Override
public Connection getConnection() {
debugCodeCall("getConnection");
return conn;
}
/**
* Gets the list of procedures. The result set is sorted by PROCEDURE_SCHEM,
* PROCEDURE_NAME, and NUM_INPUT_PARAMS. There are potentially multiple
* procedures with the same name, each with a different number of input
* parameters.
*
*
*
1 PROCEDURE_CAT (String) catalog
*
2 PROCEDURE_SCHEM (String) schema
*
3 PROCEDURE_NAME (String) name
*
4 NUM_INPUT_PARAMS (int) the number of arguments
*
5 NUM_OUTPUT_PARAMS (int) for future use, always 0
*
6 NUM_RESULT_SETS (int) for future use, always 0
*
7 REMARKS (String) description
*
8 PROCEDURE_TYPE (short) if this procedure returns a result
* (procedureNoResult or procedureReturnsResult)
*
9 SPECIFIC_NAME (String) name
*
*
* @param catalogPattern null or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param procedureNamePattern the procedure name pattern
* @return the procedures
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getProcedures(String catalogPattern, String schemaPattern,
String procedureNamePattern) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getProcedures("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(procedureNamePattern)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "ALIAS_CATALOG PROCEDURE_CAT, "
+ "ALIAS_SCHEMA PROCEDURE_SCHEM, "
+ "ALIAS_NAME PROCEDURE_NAME, "
+ "COLUMN_COUNT NUM_INPUT_PARAMS, "
+ "ZERO() NUM_OUTPUT_PARAMS, "
+ "ZERO() NUM_RESULT_SETS, "
+ "REMARKS, "
+ "RETURNS_RESULT PROCEDURE_TYPE, "
+ "ALIAS_NAME SPECIFIC_NAME "
+ "FROM INFORMATION_SCHEMA.FUNCTION_ALIASES "
+ "WHERE ALIAS_CATALOG LIKE ? ESCAPE ? "
+ "AND ALIAS_SCHEMA LIKE ? ESCAPE ? "
+ "AND ALIAS_NAME LIKE ? ESCAPE ? "
+ "ORDER BY PROCEDURE_SCHEM, PROCEDURE_NAME, NUM_INPUT_PARAMS");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, getPattern(procedureNamePattern));
prep.setString(6, "\\");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of procedure columns. The result set is sorted by
* PROCEDURE_SCHEM, PROCEDURE_NAME, NUM_INPUT_PARAMS, and POS.
* There are potentially multiple procedures with the same name, each with a
* different number of input parameters.
*
*
*
1 PROCEDURE_CAT (String) catalog
*
2 PROCEDURE_SCHEM (String) schema
*
3 PROCEDURE_NAME (String) name
*
4 COLUMN_NAME (String) column name
*
5 COLUMN_TYPE (short) column type
* (always DatabaseMetaData.procedureColumnIn)
*
6 DATA_TYPE (short) sql type
*
7 TYPE_NAME (String) type name
*
8 PRECISION (int) precision
*
9 LENGTH (int) length
*
10 SCALE (short) scale
*
11 RADIX (int) always 10
*
12 NULLABLE (short) nullable
* (DatabaseMetaData.columnNoNulls for primitive data types,
* DatabaseMetaData.columnNullable otherwise)
*
13 REMARKS (String) description
*
14 COLUMN_DEF (String) always null
*
15 SQL_DATA_TYPE (int) for future use, always 0
*
16 SQL_DATETIME_SUB (int) for future use, always 0
*
17 CHAR_OCTET_LENGTH (int) always null
*
18 ORDINAL_POSITION (int) the parameter index
* starting from 1 (0 is the return value)
*
19 IS_NULLABLE (String) always "YES"
*
20 SPECIFIC_NAME (String) name
*
*
* @param catalogPattern null or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param procedureNamePattern the procedure name pattern
* @param columnNamePattern the procedure name pattern
* @return the procedure columns
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getProcedureColumns(String catalogPattern,
String schemaPattern, String procedureNamePattern,
String columnNamePattern) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getProcedureColumns("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(procedureNamePattern)+", "
+quote(columnNamePattern)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "ALIAS_CATALOG PROCEDURE_CAT, "
+ "ALIAS_SCHEMA PROCEDURE_SCHEM, "
+ "ALIAS_NAME PROCEDURE_NAME, "
+ "COLUMN_NAME, "
+ "COLUMN_TYPE, "
+ "DATA_TYPE, "
+ "TYPE_NAME, "
+ "PRECISION, "
+ "PRECISION LENGTH, "
+ "SCALE, "
+ "RADIX, "
+ "NULLABLE, "
+ "REMARKS, "
+ "COLUMN_DEFAULT COLUMN_DEF, "
+ "ZERO() SQL_DATA_TYPE, "
+ "ZERO() SQL_DATETIME_SUB, "
+ "ZERO() CHAR_OCTET_LENGTH, "
+ "POS ORDINAL_POSITION, "
+ "? IS_NULLABLE, "
+ "ALIAS_NAME SPECIFIC_NAME "
+ "FROM INFORMATION_SCHEMA.FUNCTION_COLUMNS "
+ "WHERE ALIAS_CATALOG LIKE ? ESCAPE ? "
+ "AND ALIAS_SCHEMA LIKE ? ESCAPE ? "
+ "AND ALIAS_NAME LIKE ? ESCAPE ? "
+ "AND COLUMN_NAME LIKE ? ESCAPE ? "
+ "ORDER BY PROCEDURE_SCHEM, PROCEDURE_NAME, ORDINAL_POSITION");
prep.setString(1, "YES");
prep.setString(2, getCatalogPattern(catalogPattern));
prep.setString(3, "\\");
prep.setString(4, getSchemaPattern(schemaPattern));
prep.setString(5, "\\");
prep.setString(6, getPattern(procedureNamePattern));
prep.setString(7, "\\");
prep.setString(8, getPattern(columnNamePattern));
prep.setString(9, "\\");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of schemas.
* The result set is sorted by TABLE_SCHEM.
*
*
*
1 TABLE_SCHEM (String) schema name
*
2 TABLE_CATALOG (String) catalog name
*
3 IS_DEFAULT (boolean) if this is the default schema
*
*
* @return the schema list
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getSchemas() throws SQLException {
try {
debugCodeCall("getSchemas");
checkClosed();
PreparedStatement prep = conn
.prepareAutoCloseStatement("SELECT "
+ "SCHEMA_NAME TABLE_SCHEM, "
+ "CATALOG_NAME TABLE_CATALOG, "
+" IS_DEFAULT "
+ "FROM INFORMATION_SCHEMA.SCHEMATA "
+ "ORDER BY SCHEMA_NAME");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of catalogs.
* The result set is sorted by TABLE_CAT.
*
*
*
1 TABLE_CAT (String) catalog name
*
*
* @return the catalog list
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getCatalogs() throws SQLException {
try {
debugCodeCall("getCatalogs");
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement(
"SELECT CATALOG_NAME TABLE_CAT "
+ "FROM INFORMATION_SCHEMA.CATALOGS");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of table types. This call returns a result set with five
* records: "SYSTEM TABLE", "TABLE", "VIEW", "TABLE LINK" and "EXTERNAL".
*
*
1 TABLE_TYPE (String) table type
*
*
* @return the table types
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getTableTypes() throws SQLException {
try {
debugCodeCall("getTableTypes");
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TYPE TABLE_TYPE "
+ "FROM INFORMATION_SCHEMA.TABLE_TYPES "
+ "ORDER BY TABLE_TYPE");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of column privileges. The result set is sorted by
* COLUMN_NAME and PRIVILEGE
*
*
*
1 TABLE_CAT (String) table catalog
*
2 TABLE_SCHEM (String) table schema
*
3 TABLE_NAME (String) table name
*
4 COLUMN_NAME (String) column name
*
5 GRANTOR (String) grantor of access
*
6 GRANTEE (String) grantee of access
*
7 PRIVILEGE (String) SELECT, INSERT, UPDATE, DELETE or REFERENCES
* (only one per row)
*
8 IS_GRANTABLE (String) YES means the grantee can grant access to
* others
*
*
* @param catalogPattern null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param table a table name (uppercase for unquoted names)
* @param columnNamePattern null (to get all objects) or a column name
* (uppercase for unquoted names)
* @return the list of privileges
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getColumnPrivileges(String catalogPattern,
String schemaPattern, String table, String columnNamePattern)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getColumnPrivileges("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(table)+", "
+quote(columnNamePattern)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TABLE_CATALOG TABLE_CAT, "
+ "TABLE_SCHEMA TABLE_SCHEM, "
+ "TABLE_NAME, "
+ "COLUMN_NAME, "
+ "GRANTOR, "
+ "GRANTEE, "
+ "PRIVILEGE_TYPE PRIVILEGE, "
+ "IS_GRANTABLE "
+ "FROM INFORMATION_SCHEMA.COLUMN_PRIVILEGES "
+ "WHERE TABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND TABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND TABLE_NAME = ? "
+ "AND COLUMN_NAME LIKE ? ESCAPE ? "
+ "ORDER BY COLUMN_NAME, PRIVILEGE");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, table);
prep.setString(6, getPattern(columnNamePattern));
prep.setString(7, "\\");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of table privileges. The result set is sorted by
* TABLE_SCHEM, TABLE_NAME, and PRIVILEGE.
*
*
*
1 TABLE_CAT (String) table catalog
*
2 TABLE_SCHEM (String) table schema
*
3 TABLE_NAME (String) table name
*
4 GRANTOR (String) grantor of access
*
5 GRANTEE (String) grantee of access
*
6 PRIVILEGE (String) SELECT, INSERT, UPDATE, DELETE or REFERENCES
* (only one per row)
*
7 IS_GRANTABLE (String) YES means the grantee can grant access to
* others
*
*
* @param catalogPattern null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableNamePattern null (to get all objects) or a table name
* (uppercase for unquoted names)
* @return the list of privileges
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getTablePrivileges(String catalogPattern,
String schemaPattern, String tableNamePattern) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getTablePrivileges("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(tableNamePattern)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TABLE_CATALOG TABLE_CAT, "
+ "TABLE_SCHEMA TABLE_SCHEM, "
+ "TABLE_NAME, "
+ "GRANTOR, "
+ "GRANTEE, "
+ "PRIVILEGE_TYPE PRIVILEGE, "
+ "IS_GRANTABLE "
+ "FROM INFORMATION_SCHEMA.TABLE_PRIVILEGES "
+ "WHERE TABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND TABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND TABLE_NAME LIKE ? ESCAPE ? "
+ "ORDER BY TABLE_SCHEM, TABLE_NAME, PRIVILEGE");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, getPattern(tableNamePattern));
prep.setString(6, "\\");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of columns that best identifier a row in a table.
* The list is ordered by SCOPE.
*
*
*
1 SCOPE (short) scope of result (always bestRowSession)
*
2 COLUMN_NAME (String) column name
*
3 DATA_TYPE (short) SQL data type, see also java.sql.Types
*
4 TYPE_NAME (String) type name
*
5 COLUMN_SIZE (int) precision
* (values larger than 2 GB are returned as 2 GB)
*
*
* @param catalogPattern null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableName table name (must be specified)
* @param scope ignored
* @param nullable ignored
* @return the primary key index
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getBestRowIdentifier(String catalogPattern,
String schemaPattern, String tableName, int scope, boolean nullable)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getBestRowIdentifier("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(tableName)+", "
+scope+", "+nullable+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "CAST(? AS SMALLINT) SCOPE, "
+ "C.COLUMN_NAME, "
+ "C.DATA_TYPE, "
+ "C.TYPE_NAME, "
+ "C.CHARACTER_MAXIMUM_LENGTH COLUMN_SIZE, "
+ "C.CHARACTER_MAXIMUM_LENGTH BUFFER_LENGTH, "
+ "CAST(C.NUMERIC_SCALE AS SMALLINT) DECIMAL_DIGITS, "
+ "CAST(? AS SMALLINT) PSEUDO_COLUMN "
+ "FROM INFORMATION_SCHEMA.INDEXES I, "
+" INFORMATION_SCHEMA.COLUMNS C "
+ "WHERE C.TABLE_NAME = I.TABLE_NAME "
+ "AND C.COLUMN_NAME = I.COLUMN_NAME "
+ "AND C.TABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND C.TABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND C.TABLE_NAME = ? "
+ "AND I.PRIMARY_KEY = TRUE "
+ "ORDER BY SCOPE");
// SCOPE
prep.setInt(1, DatabaseMetaData.bestRowSession);
// PSEUDO_COLUMN
prep.setInt(2, DatabaseMetaData.bestRowNotPseudo);
prep.setString(3, getCatalogPattern(catalogPattern));
prep.setString(4, "\\");
prep.setString(5, getSchemaPattern(schemaPattern));
prep.setString(6, "\\");
prep.setString(7, tableName);
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Get the list of columns that are update when any value is updated.
* The result set is always empty.
*
*
*
1 SCOPE (int) not used
*
2 COLUMN_NAME (String) column name
*
3 DATA_TYPE (int) SQL data type - see also java.sql.Types
*
4 TYPE_NAME (String) data type name
*
5 COLUMN_SIZE (int) precision
* (values larger than 2 GB are returned as 2 GB)
*
6 BUFFER_LENGTH (int) length (bytes)
*
7 DECIMAL_DIGITS (int) scale
*
8 PSEUDO_COLUMN (int) is this column a pseudo column
*
*
* @param catalog null (to get all objects) or the catalog name
* @param schema null (to get all objects) or a schema name
* @param tableName table name (must be specified)
* @return an empty result set
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getVersionColumns(String catalog, String schema,
String tableName) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getVersionColumns("
+quote(catalog)+", "
+quote(schema)+", "
+quote(tableName)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "ZERO() SCOPE, "
+ "COLUMN_NAME, "
+ "CAST(DATA_TYPE AS INT) DATA_TYPE, "
+ "TYPE_NAME, "
+ "NUMERIC_PRECISION COLUMN_SIZE, "
+ "NUMERIC_PRECISION BUFFER_LENGTH, "
+ "NUMERIC_PRECISION DECIMAL_DIGITS, "
+ "ZERO() PSEUDO_COLUMN "
+ "FROM INFORMATION_SCHEMA.COLUMNS "
+ "WHERE FALSE");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of primary key columns that are referenced by a table. The
* result set is sorted by PKTABLE_CAT, PKTABLE_SCHEM, PKTABLE_NAME,
* FK_NAME, KEY_SEQ.
*
*
*
1 PKTABLE_CAT (String) primary catalog
*
2 PKTABLE_SCHEM (String) primary schema
*
3 PKTABLE_NAME (String) primary table
*
4 PKCOLUMN_NAME (String) primary column
*
5 FKTABLE_CAT (String) foreign catalog
*
6 FKTABLE_SCHEM (String) foreign schema
*
7 FKTABLE_NAME (String) foreign table
*
8 FKCOLUMN_NAME (String) foreign column
*
9 KEY_SEQ (short) sequence number (1, 2, ...)
*
10 UPDATE_RULE (short) action on update (see
* DatabaseMetaData.importedKey...)
*
11 DELETE_RULE (short) action on delete (see
* DatabaseMetaData.importedKey...)
*
12 FK_NAME (String) foreign key name
*
13 PK_NAME (String) primary key name
*
14 DEFERRABILITY (short) deferrable or not (always
* importedKeyNotDeferrable)
*
*
* @param catalogPattern null (to get all objects) or the catalog name
* @param schemaPattern the schema name of the foreign table
* @param tableName the name of the foreign table
* @return the result set
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getImportedKeys(String catalogPattern,
String schemaPattern, String tableName) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getImportedKeys("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(tableName)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "PKTABLE_CATALOG PKTABLE_CAT, "
+ "PKTABLE_SCHEMA PKTABLE_SCHEM, "
+ "PKTABLE_NAME PKTABLE_NAME, "
+ "PKCOLUMN_NAME, "
+ "FKTABLE_CATALOG FKTABLE_CAT, "
+ "FKTABLE_SCHEMA FKTABLE_SCHEM, "
+ "FKTABLE_NAME, "
+ "FKCOLUMN_NAME, "
+ "ORDINAL_POSITION KEY_SEQ, "
+ "UPDATE_RULE, "
+ "DELETE_RULE, "
+ "FK_NAME, "
+ "PK_NAME, "
+ "DEFERRABILITY "
+ "FROM INFORMATION_SCHEMA.CROSS_REFERENCES "
+ "WHERE FKTABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND FKTABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND FKTABLE_NAME = ? "
+ "ORDER BY PKTABLE_CAT, PKTABLE_SCHEM, PKTABLE_NAME, FK_NAME, KEY_SEQ");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, tableName);
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of foreign key columns that reference a table. The result
* set is sorted by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, FK_NAME,
* KEY_SEQ.
*
*
*
1 PKTABLE_CAT (String) primary catalog
*
2 PKTABLE_SCHEM (String) primary schema
*
3 PKTABLE_NAME (String) primary table
*
4 PKCOLUMN_NAME (String) primary column
*
5 FKTABLE_CAT (String) foreign catalog
*
6 FKTABLE_SCHEM (String) foreign schema
*
7 FKTABLE_NAME (String) foreign table
*
8 FKCOLUMN_NAME (String) foreign column
*
9 KEY_SEQ (short) sequence number (1,2,...)
*
10 UPDATE_RULE (short) action on update (see
* DatabaseMetaData.importedKey...)
*
11 DELETE_RULE (short) action on delete (see
* DatabaseMetaData.importedKey...)
*
12 FK_NAME (String) foreign key name
*
13 PK_NAME (String) primary key name
*
14 DEFERRABILITY (short) deferrable or not (always
* importedKeyNotDeferrable)
*
*
* @param catalogPattern null or the catalog name
* @param schemaPattern the schema name of the primary table
* @param tableName the name of the primary table
* @return the result set
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getExportedKeys(String catalogPattern,
String schemaPattern, String tableName) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getExportedKeys("
+quote(catalogPattern)+", "
+quote(schemaPattern)+", "
+quote(tableName)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "PKTABLE_CATALOG PKTABLE_CAT, "
+ "PKTABLE_SCHEMA PKTABLE_SCHEM, "
+ "PKTABLE_NAME PKTABLE_NAME, "
+ "PKCOLUMN_NAME, "
+ "FKTABLE_CATALOG FKTABLE_CAT, "
+ "FKTABLE_SCHEMA FKTABLE_SCHEM, "
+ "FKTABLE_NAME, "
+ "FKCOLUMN_NAME, "
+ "ORDINAL_POSITION KEY_SEQ, "
+ "UPDATE_RULE, "
+ "DELETE_RULE, "
+ "FK_NAME, "
+ "PK_NAME, "
+ "DEFERRABILITY "
+ "FROM INFORMATION_SCHEMA.CROSS_REFERENCES "
+ "WHERE PKTABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND PKTABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND PKTABLE_NAME = ? "
+ "ORDER BY FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, FK_NAME, KEY_SEQ");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
prep.setString(5, tableName);
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of foreign key columns that references a table, as well as
* the list of primary key columns that are references by a table. The
* result set is sorted by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME,
* FK_NAME, KEY_SEQ.
*
*
*
1 PKTABLE_CAT (String) primary catalog
*
2 PKTABLE_SCHEM (String) primary schema
*
3 PKTABLE_NAME (String) primary table
*
4 PKCOLUMN_NAME (String) primary column
*
5 FKTABLE_CAT (String) foreign catalog
*
6 FKTABLE_SCHEM (String) foreign schema
*
7 FKTABLE_NAME (String) foreign table
*
8 FKCOLUMN_NAME (String) foreign column
*
9 KEY_SEQ (short) sequence number (1,2,...)
*
10 UPDATE_RULE (short) action on update (see
* DatabaseMetaData.importedKey...)
*
11 DELETE_RULE (short) action on delete (see
* DatabaseMetaData.importedKey...)
*
12 FK_NAME (String) foreign key name
*
13 PK_NAME (String) primary key name
*
14 DEFERRABILITY (short) deferrable or not (always
* importedKeyNotDeferrable)
*
*
* @param primaryCatalogPattern null or the catalog name
* @param primarySchemaPattern the schema name of the primary table
* (optional)
* @param primaryTable the name of the primary table (must be specified)
* @param foreignCatalogPattern null or the catalog name
* @param foreignSchemaPattern the schema name of the foreign table
* (optional)
* @param foreignTable the name of the foreign table (must be specified)
* @return the result set
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getCrossReference(String primaryCatalogPattern,
String primarySchemaPattern, String primaryTable, String foreignCatalogPattern,
String foreignSchemaPattern, String foreignTable) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getCrossReference("
+quote(primaryCatalogPattern)+", "
+quote(primarySchemaPattern)+", "
+quote(primaryTable)+", "
+quote(foreignCatalogPattern)+", "
+quote(foreignSchemaPattern)+", "
+quote(foreignTable)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "PKTABLE_CATALOG PKTABLE_CAT, "
+ "PKTABLE_SCHEMA PKTABLE_SCHEM, "
+ "PKTABLE_NAME PKTABLE_NAME, "
+ "PKCOLUMN_NAME, "
+ "FKTABLE_CATALOG FKTABLE_CAT, "
+ "FKTABLE_SCHEMA FKTABLE_SCHEM, "
+ "FKTABLE_NAME, "
+ "FKCOLUMN_NAME, "
+ "ORDINAL_POSITION KEY_SEQ, "
+ "UPDATE_RULE, "
+ "DELETE_RULE, "
+ "FK_NAME, "
+ "PK_NAME, "
+ "DEFERRABILITY "
+ "FROM INFORMATION_SCHEMA.CROSS_REFERENCES "
+ "WHERE PKTABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND PKTABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND PKTABLE_NAME = ? "
+ "AND FKTABLE_CATALOG LIKE ? ESCAPE ? "
+ "AND FKTABLE_SCHEMA LIKE ? ESCAPE ? "
+ "AND FKTABLE_NAME = ? "
+ "ORDER BY FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, FK_NAME, KEY_SEQ");
prep.setString(1, getCatalogPattern(primaryCatalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(primarySchemaPattern));
prep.setString(4, "\\");
prep.setString(5, primaryTable);
prep.setString(6, getCatalogPattern(foreignCatalogPattern));
prep.setString(7, "\\");
prep.setString(8, getSchemaPattern(foreignSchemaPattern));
prep.setString(9, "\\");
prep.setString(10, foreignTable);
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of user-defined data types.
* This call returns an empty result set.
*
*
*
1 TYPE_CAT (String) catalog
*
2 TYPE_SCHEM (String) schema
*
3 TYPE_NAME (String) type name
*
4 CLASS_NAME (String) Java class
*
5 DATA_TYPE (short) SQL Type - see also java.sql.Types
*
6 REMARKS (String) description
*
7 BASE_TYPE (short) base type - see also java.sql.Types
*
*
* @param catalog ignored
* @param schemaPattern ignored
* @param typeNamePattern ignored
* @param types ignored
* @return an empty result set
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getUDTs(String catalog, String schemaPattern,
String typeNamePattern, int[] types) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getUDTs("
+quote(catalog)+", "
+quote(schemaPattern)+", "
+quote(typeNamePattern)+", "
+quoteIntArray(types)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "CAST(NULL AS VARCHAR) TYPE_CAT, "
+ "CAST(NULL AS VARCHAR) TYPE_SCHEM, "
+ "CAST(NULL AS VARCHAR) TYPE_NAME, "
+ "CAST(NULL AS VARCHAR) CLASS_NAME, "
+ "CAST(NULL AS SMALLINT) DATA_TYPE, "
+ "CAST(NULL AS VARCHAR) REMARKS, "
+ "CAST(NULL AS SMALLINT) BASE_TYPE "
+ "FROM DUAL WHERE FALSE");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Gets the list of data types. The result set is sorted by DATA_TYPE and
* afterwards by how closely the data type maps to the corresponding JDBC
* SQL type (best match first).
*
*
*
1 TYPE_NAME (String) type name
*
2 DATA_TYPE (short) SQL data type - see also java.sql.Types
*
3 PRECISION (int) maximum precision
*
4 LITERAL_PREFIX (String) prefix used to quote a literal
*
5 LITERAL_SUFFIX (String) suffix used to quote a literal
*
6 CREATE_PARAMS (String) parameters used (may be null)
*
7 NULLABLE (short) typeNoNulls (NULL not allowed) or typeNullable
*
*
8 CASE_SENSITIVE (boolean) case sensitive
*
9 SEARCHABLE (short) typeSearchable
*
10 UNSIGNED_ATTRIBUTE (boolean) unsigned
*
11 FIXED_PREC_SCALE (boolean) fixed precision
*
12 AUTO_INCREMENT (boolean) auto increment
*
13 LOCAL_TYPE_NAME (String) localized version of the data type
*
14 MINIMUM_SCALE (short) minimum scale
*
15 MAXIMUM_SCALE (short) maximum scale
*
16 SQL_DATA_TYPE (int) unused
*
17 SQL_DATETIME_SUB (int) unused
*
18 NUM_PREC_RADIX (int) 2 for binary, 10 for decimal
*
*
* @return the list of data types
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getTypeInfo() throws SQLException {
try {
debugCodeCall("getTypeInfo");
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "TYPE_NAME, "
+ "DATA_TYPE, "
+ "PRECISION, "
+ "PREFIX LITERAL_PREFIX, "
+ "SUFFIX LITERAL_SUFFIX, "
+ "PARAMS CREATE_PARAMS, "
+ "NULLABLE, "
+ "CASE_SENSITIVE, "
+ "SEARCHABLE, "
+ "FALSE UNSIGNED_ATTRIBUTE, "
+ "FALSE FIXED_PREC_SCALE, "
+ "AUTO_INCREMENT, "
+ "TYPE_NAME LOCAL_TYPE_NAME, "
+ "MINIMUM_SCALE, "
+ "MAXIMUM_SCALE, "
+ "DATA_TYPE SQL_DATA_TYPE, "
+ "ZERO() SQL_DATETIME_SUB, "
+ "RADIX NUM_PREC_RADIX "
+ "FROM INFORMATION_SCHEMA.TYPE_INFO "
+ "ORDER BY DATA_TYPE, POS");
ResultSet rs = prep.executeQuery();
return rs;
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Checks if this database store data in local files.
*
* @return true
*/
@Override
public boolean usesLocalFiles() {
debugCodeCall("usesLocalFiles");
return true;
}
/**
* Checks if this database use one file per table.
*
* @return false
*/
@Override
public boolean usesLocalFilePerTable() {
debugCodeCall("usesLocalFilePerTable");
return false;
}
/**
* Returns the string used to quote identifiers.
*
* @return a double quote
*/
@Override
public String getIdentifierQuoteString() {
debugCodeCall("getIdentifierQuoteString");
return "\"";
}
/**
* Gets the comma-separated list of all SQL keywords that are not supported
* as table/column/index name, in addition to the SQL-92 keywords. The list
* returned is:
*
*
* @return a list of additional the keywords
*/
@Override
public String getSQLKeywords() {
debugCodeCall("getSQLKeywords");
return "LIMIT,MINUS,ROWNUM,SYSDATE,SYSTIME,SYSTIMESTAMP,TODAY";
}
/**
* Returns the list of numeric functions supported by this database.
*
* @return the list
*/
@Override
public String getNumericFunctions() throws SQLException {
debugCodeCall("getNumericFunctions");
return getFunctions("Functions (Numeric)");
}
/**
* Returns the list of string functions supported by this database.
*
* @return the list
*/
@Override
public String getStringFunctions() throws SQLException {
debugCodeCall("getStringFunctions");
return getFunctions("Functions (String)");
}
/**
* Returns the list of system functions supported by this database.
*
* @return the list
*/
@Override
public String getSystemFunctions() throws SQLException {
debugCodeCall("getSystemFunctions");
return getFunctions("Functions (System)");
}
/**
* Returns the list of date and time functions supported by this database.
*
* @return the list
*/
@Override
public String getTimeDateFunctions() throws SQLException {
debugCodeCall("getTimeDateFunctions");
return getFunctions("Functions (Time and Date)");
}
private String getFunctions(String section) throws SQLException {
try {
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT TOPIC "
+ "FROM INFORMATION_SCHEMA.HELP WHERE SECTION = ?");
prep.setString(1, section);
ResultSet rs = prep.executeQuery();
StatementBuilder buff = new StatementBuilder();
while (rs.next()) {
String s = rs.getString(1).trim();
String[] array = StringUtils.arraySplit(s, ',', true);
for (String a : array) {
buff.appendExceptFirst(",");
String f = a.trim();
if (f.indexOf(' ') >= 0) {
// remove 'Function' from 'INSERT Function'
f = f.substring(0, f.indexOf(' ')).trim();
}
buff.append(f);
}
}
rs.close();
prep.close();
return buff.toString();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Returns the default escape character for DatabaseMetaData search
* patterns.
*
* @return the default escape character (always '\', independent on the
* mode)
*/
@Override
public String getSearchStringEscape() {
debugCodeCall("getSearchStringEscape");
return "\\";
}
/**
* Returns the characters that are allowed for identifiers in addiction to
* A-Z, a-z, 0-9 and '_'.
*
* @return an empty String ("")
*/
@Override
public String getExtraNameCharacters() {
debugCodeCall("getExtraNameCharacters");
return "";
}
/**
* Returns whether alter table with add column is supported.
* @return true
*/
@Override
public boolean supportsAlterTableWithAddColumn() {
debugCodeCall("supportsAlterTableWithAddColumn");
return true;
}
/**
* Returns whether alter table with drop column is supported.
*
* @return true
*/
@Override
public boolean supportsAlterTableWithDropColumn() {
debugCodeCall("supportsAlterTableWithDropColumn");
return true;
}
/**
* Returns whether column aliasing is supported.
*
* @return true
*/
@Override
public boolean supportsColumnAliasing() {
debugCodeCall("supportsColumnAliasing");
return true;
}
/**
* Returns whether NULL+1 is NULL or not.
*
* @return true
*/
@Override
public boolean nullPlusNonNullIsNull() {
debugCodeCall("nullPlusNonNullIsNull");
return true;
}
/**
* Returns whether CONVERT is supported.
*
* @return true
*/
@Override
public boolean supportsConvert() {
debugCodeCall("supportsConvert");
return true;
}
/**
* Returns whether CONVERT is supported for one datatype to another.
*
* @param fromType the source SQL type
* @param toType the target SQL type
* @return true
*/
@Override
public boolean supportsConvert(int fromType, int toType) {
if (isDebugEnabled()) {
debugCode("supportsConvert("+fromType+", "+fromType+");");
}
return true;
}
/**
* Returns whether table correlation names (table alias) are supported.
*
* @return true
*/
@Override
public boolean supportsTableCorrelationNames() {
debugCodeCall("supportsTableCorrelationNames");
return true;
}
/**
* Returns whether table correlation names (table alias) are restricted to
* be different than table names.
*
* @return false
*/
@Override
public boolean supportsDifferentTableCorrelationNames() {
debugCodeCall("supportsDifferentTableCorrelationNames");
return false;
}
/**
* Returns whether expression in ORDER BY are supported.
*
* @return true
*/
@Override
public boolean supportsExpressionsInOrderBy() {
debugCodeCall("supportsExpressionsInOrderBy");
return true;
}
/**
* Returns whether ORDER BY is supported if the column is not in the SELECT
* list.
*
* @return true
*/
@Override
public boolean supportsOrderByUnrelated() {
debugCodeCall("supportsOrderByUnrelated");
return true;
}
/**
* Returns whether GROUP BY is supported.
*
* @return true
*/
@Override
public boolean supportsGroupBy() {
debugCodeCall("supportsGroupBy");
return true;
}
/**
* Returns whether GROUP BY is supported if the column is not in the SELECT
* list.
*
* @return true
*/
@Override
public boolean supportsGroupByUnrelated() {
debugCodeCall("supportsGroupByUnrelated");
return true;
}
/**
* Checks whether a GROUP BY clause can use columns that are not in the
* SELECT clause, provided that it specifies all the columns in the SELECT
* clause.
*
* @return true
*/
@Override
public boolean supportsGroupByBeyondSelect() {
debugCodeCall("supportsGroupByBeyondSelect");
return true;
}
/**
* Returns whether LIKE... ESCAPE is supported.
*
* @return true
*/
@Override
public boolean supportsLikeEscapeClause() {
debugCodeCall("supportsLikeEscapeClause");
return true;
}
/**
* Returns whether multiple result sets are supported.
*
* @return false
*/
@Override
public boolean supportsMultipleResultSets() {
debugCodeCall("supportsMultipleResultSets");
return false;
}
/**
* Returns whether multiple transactions (on different connections) are
* supported.
*
* @return true
*/
@Override
public boolean supportsMultipleTransactions() {
debugCodeCall("supportsMultipleTransactions");
return true;
}
/**
* Returns whether columns with NOT NULL are supported.
*
* @return true
*/
@Override
public boolean supportsNonNullableColumns() {
debugCodeCall("supportsNonNullableColumns");
return true;
}
/**
* Returns whether ODBC Minimum SQL grammar is supported.
*
* @return true
*/
@Override
public boolean supportsMinimumSQLGrammar() {
debugCodeCall("supportsMinimumSQLGrammar");
return true;
}
/**
* Returns whether ODBC Core SQL grammar is supported.
*
* @return true
*/
@Override
public boolean supportsCoreSQLGrammar() {
debugCodeCall("supportsCoreSQLGrammar");
return true;
}
/**
* Returns whether ODBC Extended SQL grammar is supported.
*
* @return false
*/
@Override
public boolean supportsExtendedSQLGrammar() {
debugCodeCall("supportsExtendedSQLGrammar");
return false;
}
/**
* Returns whether SQL-92 entry level grammar is supported.
*
* @return true
*/
@Override
public boolean supportsANSI92EntryLevelSQL() {
debugCodeCall("supportsANSI92EntryLevelSQL");
return true;
}
/**
* Returns whether SQL-92 intermediate level grammar is supported.
*
* @return false
*/
@Override
public boolean supportsANSI92IntermediateSQL() {
debugCodeCall("supportsANSI92IntermediateSQL");
return false;
}
/**
* Returns whether SQL-92 full level grammar is supported.
*
* @return false
*/
@Override
public boolean supportsANSI92FullSQL() {
debugCodeCall("supportsANSI92FullSQL");
return false;
}
/**
* Returns whether referential integrity is supported.
*
* @return true
*/
@Override
public boolean supportsIntegrityEnhancementFacility() {
debugCodeCall("supportsIntegrityEnhancementFacility");
return true;
}
/**
* Returns whether outer joins are supported.
*
* @return true
*/
@Override
public boolean supportsOuterJoins() {
debugCodeCall("supportsOuterJoins");
return true;
}
/**
* Returns whether full outer joins are supported.
*
* @return false
*/
@Override
public boolean supportsFullOuterJoins() {
debugCodeCall("supportsFullOuterJoins");
return false;
}
/**
* Returns whether limited outer joins are supported.
*
* @return true
*/
@Override
public boolean supportsLimitedOuterJoins() {
debugCodeCall("supportsLimitedOuterJoins");
return true;
}
/**
* Returns the term for "schema".
*
* @return "schema"
*/
@Override
public String getSchemaTerm() {
debugCodeCall("getSchemaTerm");
return "schema";
}
/**
* Returns the term for "procedure".
*
* @return "procedure"
*/
@Override
public String getProcedureTerm() {
debugCodeCall("getProcedureTerm");
return "procedure";
}
/**
* Returns the term for "catalog".
*
* @return "catalog"
*/
@Override
public String getCatalogTerm() {
debugCodeCall("getCatalogTerm");
return "catalog";
}
/**
* Returns whether the catalog is at the beginning.
*
* @return true
*/
@Override
public boolean isCatalogAtStart() {
debugCodeCall("isCatalogAtStart");
return true;
}
/**
* Returns the catalog separator.
*
* @return "."
*/
@Override
public String getCatalogSeparator() {
debugCodeCall("getCatalogSeparator");
return ".";
}
/**
* Returns whether the schema name in INSERT, UPDATE, DELETE is supported.
*
* @return true
*/
@Override
public boolean supportsSchemasInDataManipulation() {
debugCodeCall("supportsSchemasInDataManipulation");
return true;
}
/**
* Returns whether the schema name in procedure calls is supported.
*
* @return true
*/
@Override
public boolean supportsSchemasInProcedureCalls() {
debugCodeCall("supportsSchemasInProcedureCalls");
return true;
}
/**
* Returns whether the schema name in CREATE TABLE is supported.
*
* @return true
*/
@Override
public boolean supportsSchemasInTableDefinitions() {
debugCodeCall("supportsSchemasInTableDefinitions");
return true;
}
/**
* Returns whether the schema name in CREATE INDEX is supported.
*
* @return true
*/
@Override
public boolean supportsSchemasInIndexDefinitions() {
debugCodeCall("supportsSchemasInIndexDefinitions");
return true;
}
/**
* Returns whether the schema name in GRANT is supported.
*
* @return true
*/
@Override
public boolean supportsSchemasInPrivilegeDefinitions() {
debugCodeCall("supportsSchemasInPrivilegeDefinitions");
return true;
}
/**
* Returns whether the catalog name in INSERT, UPDATE, DELETE is supported.
*
* @return true
*/
@Override
public boolean supportsCatalogsInDataManipulation() {
debugCodeCall("supportsCatalogsInDataManipulation");
return true;
}
/**
* Returns whether the catalog name in procedure calls is supported.
*
* @return false
*/
@Override
public boolean supportsCatalogsInProcedureCalls() {
debugCodeCall("supportsCatalogsInProcedureCalls");
return false;
}
/**
* Returns whether the catalog name in CREATE TABLE is supported.
*
* @return true
*/
@Override
public boolean supportsCatalogsInTableDefinitions() {
debugCodeCall("supportsCatalogsInTableDefinitions");
return true;
}
/**
* Returns whether the catalog name in CREATE INDEX is supported.
*
* @return true
*/
@Override
public boolean supportsCatalogsInIndexDefinitions() {
debugCodeCall("supportsCatalogsInIndexDefinitions");
return true;
}
/**
* Returns whether the catalog name in GRANT is supported.
*
* @return true
*/
@Override
public boolean supportsCatalogsInPrivilegeDefinitions() {
debugCodeCall("supportsCatalogsInPrivilegeDefinitions");
return true;
}
/**
* Returns whether positioned deletes are supported.
*
* @return true
*/
@Override
public boolean supportsPositionedDelete() {
debugCodeCall("supportsPositionedDelete");
return true;
}
/**
* Returns whether positioned updates are supported.
*
* @return true
*/
@Override
public boolean supportsPositionedUpdate() {
debugCodeCall("supportsPositionedUpdate");
return true;
}
/**
* Returns whether SELECT ... FOR UPDATE is supported.
*
* @return true
*/
@Override
public boolean supportsSelectForUpdate() {
debugCodeCall("supportsSelectForUpdate");
return true;
}
/**
* Returns whether stored procedures are supported.
*
* @return false
*/
@Override
public boolean supportsStoredProcedures() {
debugCodeCall("supportsStoredProcedures");
return false;
}
/**
* Returns whether subqueries (SELECT) in comparisons are supported.
*
* @return true
*/
@Override
public boolean supportsSubqueriesInComparisons() {
debugCodeCall("supportsSubqueriesInComparisons");
return true;
}
/**
* Returns whether SELECT in EXISTS is supported.
*
* @return true
*/
@Override
public boolean supportsSubqueriesInExists() {
debugCodeCall("supportsSubqueriesInExists");
return true;
}
/**
* Returns whether IN(SELECT...) is supported.
*
* @return true
*/
@Override
public boolean supportsSubqueriesInIns() {
debugCodeCall("supportsSubqueriesInIns");
return true;
}
/**
* Returns whether subqueries in quantified expression are supported.
*
* @return true
*/
@Override
public boolean supportsSubqueriesInQuantifieds() {
debugCodeCall("supportsSubqueriesInQuantifieds");
return true;
}
/**
* Returns whether correlated subqueries are supported.
*
* @return true
*/
@Override
public boolean supportsCorrelatedSubqueries() {
debugCodeCall("supportsCorrelatedSubqueries");
return true;
}
/**
* Returns whether UNION SELECT is supported.
*
* @return true
*/
@Override
public boolean supportsUnion() {
debugCodeCall("supportsUnion");
return true;
}
/**
* Returns whether UNION ALL SELECT is supported.
*
* @return true
*/
@Override
public boolean supportsUnionAll() {
debugCodeCall("supportsUnionAll");
return true;
}
/**
* Returns whether open result sets across commits are supported.
*
* @return false
*/
@Override
public boolean supportsOpenCursorsAcrossCommit() {
debugCodeCall("supportsOpenCursorsAcrossCommit");
return false;
}
/**
* Returns whether open result sets across rollback are supported.
*
* @return false
*/
@Override
public boolean supportsOpenCursorsAcrossRollback() {
debugCodeCall("supportsOpenCursorsAcrossRollback");
return false;
}
/**
* Returns whether open statements across commit are supported.
*
* @return true
*/
@Override
public boolean supportsOpenStatementsAcrossCommit() {
debugCodeCall("supportsOpenStatementsAcrossCommit");
return true;
}
/**
* Returns whether open statements across rollback are supported.
*
* @return true
*/
@Override
public boolean supportsOpenStatementsAcrossRollback() {
debugCodeCall("supportsOpenStatementsAcrossRollback");
return true;
}
/**
* Returns whether transactions are supported.
*
* @return true
*/
@Override
public boolean supportsTransactions() {
debugCodeCall("supportsTransactions");
return true;
}
/**
* Returns whether a specific transaction isolation level is supported.
*
* @param level the transaction isolation level (Connection.TRANSACTION_*)
* @return true
*/
@Override
public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
debugCodeCall("supportsTransactionIsolationLevel");
if (level == Connection.TRANSACTION_READ_UNCOMMITTED) {
// currently the combination of LOCK_MODE=0 and MULTI_THREADED
// is not supported, also see code in Database#setLockMode(int)
PreparedStatement prep = conn.prepareAutoCloseStatement(
"SELECT VALUE FROM INFORMATION_SCHEMA.SETTINGS WHERE NAME=?");
prep.setString(1, "MULTI_THREADED");
ResultSet rs = prep.executeQuery();
if (rs.next() && rs.getString(1).equals("1")) {
return false;
}
}
return true;
}
/**
* Returns whether data manipulation and CREATE/DROP is supported in
* transactions.
*
* @return false
*/
@Override
public boolean supportsDataDefinitionAndDataManipulationTransactions() {
debugCodeCall("supportsDataDefinitionAndDataManipulationTransactions");
return false;
}
/**
* Returns whether only data manipulations are supported in transactions.
*
* @return true
*/
@Override
public boolean supportsDataManipulationTransactionsOnly() {
debugCodeCall("supportsDataManipulationTransactionsOnly");
return true;
}
/**
* Returns whether CREATE/DROP commit an open transaction.
*
* @return true
*/
@Override
public boolean dataDefinitionCausesTransactionCommit() {
debugCodeCall("dataDefinitionCausesTransactionCommit");
return true;
}
/**
* Returns whether CREATE/DROP do not affect transactions.
*
* @return false
*/
@Override
public boolean dataDefinitionIgnoredInTransactions() {
debugCodeCall("dataDefinitionIgnoredInTransactions");
return false;
}
/**
* Returns whether a specific result set type is supported.
* ResultSet.TYPE_SCROLL_SENSITIVE is not supported.
*
* @param type the result set type
* @return true for all types except ResultSet.TYPE_FORWARD_ONLY
*/
@Override
public boolean supportsResultSetType(int type) {
debugCodeCall("supportsResultSetType", type);
return type != ResultSet.TYPE_SCROLL_SENSITIVE;
}
/**
* Returns whether a specific result set concurrency is supported.
* ResultSet.TYPE_SCROLL_SENSITIVE is not supported.
*
* @param type the result set type
* @param concurrency the result set concurrency
* @return true if the type is not ResultSet.TYPE_SCROLL_SENSITIVE
*/
@Override
public boolean supportsResultSetConcurrency(int type, int concurrency) {
if (isDebugEnabled()) {
debugCode("supportsResultSetConcurrency("+type+", "+concurrency+");");
}
return type != ResultSet.TYPE_SCROLL_SENSITIVE;
}
/**
* Returns whether own updates are visible.
*
* @param type the result set type
* @return true
*/
@Override
public boolean ownUpdatesAreVisible(int type) {
debugCodeCall("ownUpdatesAreVisible", type);
return true;
}
/**
* Returns whether own deletes are visible.
*
* @param type the result set type
* @return false
*/
@Override
public boolean ownDeletesAreVisible(int type) {
debugCodeCall("ownDeletesAreVisible", type);
return false;
}
/**
* Returns whether own inserts are visible.
*
* @param type the result set type
* @return false
*/
@Override
public boolean ownInsertsAreVisible(int type) {
debugCodeCall("ownInsertsAreVisible", type);
return false;
}
/**
* Returns whether other updates are visible.
*
* @param type the result set type
* @return false
*/
@Override
public boolean othersUpdatesAreVisible(int type) {
debugCodeCall("othersUpdatesAreVisible", type);
return false;
}
/**
* Returns whether other deletes are visible.
*
* @param type the result set type
* @return false
*/
@Override
public boolean othersDeletesAreVisible(int type) {
debugCodeCall("othersDeletesAreVisible", type);
return false;
}
/**
* Returns whether other inserts are visible.
*
* @param type the result set type
* @return false
*/
@Override
public boolean othersInsertsAreVisible(int type) {
debugCodeCall("othersInsertsAreVisible", type);
return false;
}
/**
* Returns whether updates are detected.
*
* @param type the result set type
* @return false
*/
@Override
public boolean updatesAreDetected(int type) {
debugCodeCall("updatesAreDetected", type);
return false;
}
/**
* Returns whether deletes are detected.
*
* @param type the result set type
* @return false
*/
@Override
public boolean deletesAreDetected(int type) {
debugCodeCall("deletesAreDetected", type);
return false;
}
/**
* Returns whether inserts are detected.
*
* @param type the result set type
* @return false
*/
@Override
public boolean insertsAreDetected(int type) {
debugCodeCall("insertsAreDetected", type);
return false;
}
/**
* Returns whether batch updates are supported.
*
* @return true
*/
@Override
public boolean supportsBatchUpdates() {
debugCodeCall("supportsBatchUpdates");
return true;
}
/**
* Returns whether the maximum row size includes blobs.
*
* @return false
*/
@Override
public boolean doesMaxRowSizeIncludeBlobs() {
debugCodeCall("doesMaxRowSizeIncludeBlobs");
return false;
}
/**
* Returns the default transaction isolation level.
*
* @return Connection.TRANSACTION_READ_COMMITTED
*/
@Override
public int getDefaultTransactionIsolation() {
debugCodeCall("getDefaultTransactionIsolation");
return Connection.TRANSACTION_READ_COMMITTED;
}
/**
* Checks if for CREATE TABLE Test(ID INT), getTables returns Test as the
* table name.
*
* @return false
*/
@Override
public boolean supportsMixedCaseIdentifiers() {
debugCodeCall("supportsMixedCaseIdentifiers");
return false;
}
/**
* Checks if a table created with CREATE TABLE "Test"(ID INT) is a different
* table than a table created with CREATE TABLE TEST(ID INT).
*
* @return true usually, and false in MySQL mode
*/
@Override
public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
debugCodeCall("supportsMixedCaseQuotedIdentifiers");
String m = conn.getMode();
if (m.equals("MySQL")) {
return false;
}
return true;
}
/**
* Checks if for CREATE TABLE Test(ID INT), getTables returns TEST as the
* table name.
*
* @return true usually, and false in MySQL mode
*/
@Override
public boolean storesUpperCaseIdentifiers() throws SQLException {
debugCodeCall("storesUpperCaseIdentifiers");
String m = conn.getMode();
if (m.equals("MySQL")) {
return false;
}
return true;
}
/**
* Checks if for CREATE TABLE Test(ID INT), getTables returns test as the
* table name.
*
* @return false usually, and true in MySQL mode
*/
@Override
public boolean storesLowerCaseIdentifiers() throws SQLException {
debugCodeCall("storesLowerCaseIdentifiers");
String m = conn.getMode();
if (m.equals("MySQL")) {
return true;
}
return false;
}
/**
* Checks if for CREATE TABLE Test(ID INT), getTables returns Test as the
* table name.
*
* @return false
*/
@Override
public boolean storesMixedCaseIdentifiers() {
debugCodeCall("storesMixedCaseIdentifiers");
return false;
}
/**
* Checks if for CREATE TABLE "Test"(ID INT), getTables returns TEST as the
* table name.
*
* @return false usually, and true in MySQL mode
*/
@Override
public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
debugCodeCall("storesUpperCaseQuotedIdentifiers");
String m = conn.getMode();
if (m.equals("MySQL")) {
return true;
}
return false;
}
/**
* Checks if for CREATE TABLE "Test"(ID INT), getTables returns test as the
* table name.
*
* @return false usually, and true in MySQL mode
*/
@Override
public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
debugCodeCall("storesLowerCaseQuotedIdentifiers");
String m = conn.getMode();
if (m.equals("MySQL")) {
return true;
}
return false;
}
/**
* Checks if for CREATE TABLE "Test"(ID INT), getTables returns Test as the
* table name.
*
* @return true usually, and false in MySQL mode
*/
@Override
public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
debugCodeCall("storesMixedCaseQuotedIdentifiers");
String m = conn.getMode();
if (m.equals("MySQL")) {
return false;
}
return true;
}
/**
* Returns the maximum length for hex values (characters).
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxBinaryLiteralLength() {
debugCodeCall("getMaxBinaryLiteralLength");
return 0;
}
/**
* Returns the maximum length for literals.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxCharLiteralLength() {
debugCodeCall("getMaxCharLiteralLength");
return 0;
}
/**
* Returns the maximum length for column names.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxColumnNameLength() {
debugCodeCall("getMaxColumnNameLength");
return 0;
}
/**
* Returns the maximum number of columns in GROUP BY.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxColumnsInGroupBy() {
debugCodeCall("getMaxColumnsInGroupBy");
return 0;
}
/**
* Returns the maximum number of columns in CREATE INDEX.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxColumnsInIndex() {
debugCodeCall("getMaxColumnsInIndex");
return 0;
}
/**
* Returns the maximum number of columns in ORDER BY.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxColumnsInOrderBy() {
debugCodeCall("getMaxColumnsInOrderBy");
return 0;
}
/**
* Returns the maximum number of columns in SELECT.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxColumnsInSelect() {
debugCodeCall("getMaxColumnsInSelect");
return 0;
}
/**
* Returns the maximum number of columns in CREATE TABLE.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxColumnsInTable() {
debugCodeCall("getMaxColumnsInTable");
return 0;
}
/**
* Returns the maximum number of open connection.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxConnections() {
debugCodeCall("getMaxConnections");
return 0;
}
/**
* Returns the maximum length for a cursor name.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxCursorNameLength() {
debugCodeCall("getMaxCursorNameLength");
return 0;
}
/**
* Returns the maximum length for an index (in bytes).
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxIndexLength() {
debugCodeCall("getMaxIndexLength");
return 0;
}
/**
* Returns the maximum length for a schema name.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxSchemaNameLength() {
debugCodeCall("getMaxSchemaNameLength");
return 0;
}
/**
* Returns the maximum length for a procedure name.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxProcedureNameLength() {
debugCodeCall("getMaxProcedureNameLength");
return 0;
}
/**
* Returns the maximum length for a catalog name.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxCatalogNameLength() {
debugCodeCall("getMaxCatalogNameLength");
return 0;
}
/**
* Returns the maximum size of a row (in bytes).
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxRowSize() {
debugCodeCall("getMaxRowSize");
return 0;
}
/**
* Returns the maximum length of a statement.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxStatementLength() {
debugCodeCall("getMaxStatementLength");
return 0;
}
/**
* Returns the maximum number of open statements.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxStatements() {
debugCodeCall("getMaxStatements");
return 0;
}
/**
* Returns the maximum length for a table name.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxTableNameLength() {
debugCodeCall("getMaxTableNameLength");
return 0;
}
/**
* Returns the maximum number of tables in a SELECT.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxTablesInSelect() {
debugCodeCall("getMaxTablesInSelect");
return 0;
}
/**
* Returns the maximum length for a user name.
*
* @return 0 for limit is unknown
*/
@Override
public int getMaxUserNameLength() {
debugCodeCall("getMaxUserNameLength");
return 0;
}
/**
* Does the database support savepoints.
*
* @return true
*/
@Override
public boolean supportsSavepoints() {
debugCodeCall("supportsSavepoints");
return true;
}
/**
* Does the database support named parameters.
*
* @return false
*/
@Override
public boolean supportsNamedParameters() {
debugCodeCall("supportsNamedParameters");
return false;
}
/**
* Does the database support multiple open result sets.
*
* @return true
*/
@Override
public boolean supportsMultipleOpenResults() {
debugCodeCall("supportsMultipleOpenResults");
return true;
}
/**
* Does the database support getGeneratedKeys.
*
* @return true
*/
@Override
public boolean supportsGetGeneratedKeys() {
debugCodeCall("supportsGetGeneratedKeys");
return true;
}
/**
* [Not supported]
*/
@Override
public ResultSet getSuperTypes(String catalog, String schemaPattern,
String typeNamePattern) throws SQLException {
throw unsupported("superTypes");
}
/**
* Get the list of super tables of a table. This method currently returns an
* empty result set.
*
*
1 TABLE_CAT (String) table catalog
*
2 TABLE_SCHEM (String) table schema
*
3 TABLE_NAME (String) table name
*
4 SUPERTABLE_NAME (String) the name of the super table
*
*
* @param catalog null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableNamePattern null (to get all objects) or a table name pattern
* (uppercase for unquoted names)
* @return an empty result set
*/
@Override
public ResultSet getSuperTables(String catalog, String schemaPattern,
String tableNamePattern) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("getSuperTables("
+quote(catalog)+", "
+quote(schemaPattern)+", "
+quote(tableNamePattern)+");");
}
checkClosed();
PreparedStatement prep = conn.prepareAutoCloseStatement("SELECT "
+ "CATALOG_NAME TABLE_CAT, "
+ "CATALOG_NAME TABLE_SCHEM, "
+ "CATALOG_NAME TABLE_NAME, "
+ "CATALOG_NAME SUPERTABLE_NAME "
+ "FROM INFORMATION_SCHEMA.CATALOGS "
+ "WHERE FALSE");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* [Not supported]
*/
@Override
public ResultSet getAttributes(String catalog, String schemaPattern,
String typeNamePattern, String attributeNamePattern)
throws SQLException {
throw unsupported("attributes");
}
/**
* Does this database supports a result set holdability.
*
* @param holdability ResultSet.HOLD_CURSORS_OVER_COMMIT or
* CLOSE_CURSORS_AT_COMMIT
* @return true if the holdability is ResultSet.CLOSE_CURSORS_AT_COMMIT
*/
@Override
public boolean supportsResultSetHoldability(int holdability) {
debugCodeCall("supportsResultSetHoldability", holdability);
return holdability == ResultSet.CLOSE_CURSORS_AT_COMMIT;
}
/**
* Gets the result set holdability.
*
* @return ResultSet.CLOSE_CURSORS_AT_COMMIT
*/
@Override
public int getResultSetHoldability() {
debugCodeCall("getResultSetHoldability");
return ResultSet.CLOSE_CURSORS_AT_COMMIT;
}
/**
* Gets the major version of the database.
*
* @return the major version
*/
@Override
public int getDatabaseMajorVersion() {
debugCodeCall("getDatabaseMajorVersion");
return Constants.VERSION_MAJOR;
}
/**
* Gets the minor version of the database.
*
* @return the minor version
*/
@Override
public int getDatabaseMinorVersion() {
debugCodeCall("getDatabaseMinorVersion");
return Constants.VERSION_MINOR;
}
/**
* Gets the major version of the supported JDBC API.
*
* @return the major version (4)
*/
@Override
public int getJDBCMajorVersion() {
debugCodeCall("getJDBCMajorVersion");
return 4;
}
/**
* Gets the minor version of the supported JDBC API.
*
* @return the minor version (0)
*/
@Override
public int getJDBCMinorVersion() {
debugCodeCall("getJDBCMinorVersion");
return 0;
}
/**
* Gets the SQL State type.
*
* @return DatabaseMetaData.sqlStateSQL99
*/
@Override
public int getSQLStateType() {
debugCodeCall("getSQLStateType");
return DatabaseMetaData.sqlStateSQL99;
}
/**
* Does the database make a copy before updating.
*
* @return false
*/
@Override
public boolean locatorsUpdateCopy() {
debugCodeCall("locatorsUpdateCopy");
return false;
}
/**
* Does the database support statement pooling.
*
* @return false
*/
@Override
public boolean supportsStatementPooling() {
debugCodeCall("supportsStatementPooling");
return false;
}
// =============================================================
private void checkClosed() {
conn.checkClosed();
}
private static String getPattern(String pattern) {
return pattern == null ? "%" : pattern;
}
private static String getSchemaPattern(String pattern) {
return pattern == null ? "%" : pattern.length() == 0 ?
Constants.SCHEMA_MAIN : pattern;
}
private static String getCatalogPattern(String catalogPattern) {
// Workaround for OpenOffice: getColumns is called with "" as the
// catalog
return catalogPattern == null || catalogPattern.length() == 0 ?
"%" : catalogPattern;
}
/**
* Get the lifetime of a rowid.
*
* @return ROWID_UNSUPPORTED
*/
@Override
public RowIdLifetime getRowIdLifetime() {
debugCodeCall("getRowIdLifetime");
return RowIdLifetime.ROWID_UNSUPPORTED;
}
/**
* Gets the list of schemas in the database.
* The result set is sorted by TABLE_SCHEM.
*
*
*
1 TABLE_SCHEM (String) schema name
*
2 TABLE_CATALOG (String) catalog name
*
3 IS_DEFAULT (boolean) if this is the default schema
*
*
* @param catalogPattern null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @return the schema list
* @throws SQLException if the connection is closed
*/
@Override
public ResultSet getSchemas(String catalogPattern, String schemaPattern)
throws SQLException {
try {
debugCodeCall("getSchemas(String,String)");
checkClosed();
PreparedStatement prep = conn
.prepareAutoCloseStatement("SELECT "
+ "SCHEMA_NAME TABLE_SCHEM, "
+ "CATALOG_NAME TABLE_CATALOG, "
+" IS_DEFAULT "
+ "FROM INFORMATION_SCHEMA.SCHEMATA "
+ "WHERE CATALOG_NAME LIKE ? ESCAPE ? "
+ "AND SCHEMA_NAME LIKE ? ESCAPE ? "
+ "ORDER BY SCHEMA_NAME");
prep.setString(1, getCatalogPattern(catalogPattern));
prep.setString(2, "\\");
prep.setString(3, getSchemaPattern(schemaPattern));
prep.setString(4, "\\");
return prep.executeQuery();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Returns whether the database supports calling functions using the call
* syntax.
*
* @return true
*/
@Override
public boolean supportsStoredFunctionsUsingCallSyntax() {
debugCodeCall("supportsStoredFunctionsUsingCallSyntax");
return true;
}
/**
* Returns whether an exception while auto commit is on closes all result
* sets.
*
* @return false
*/
@Override
public boolean autoCommitFailureClosesAllResultSets() {
debugCodeCall("autoCommitFailureClosesAllResultSets");
return false;
}
@Override
public ResultSet getClientInfoProperties() throws SQLException {
Properties clientInfo = conn.getClientInfo();
SimpleResultSet result = new SimpleResultSet();
result.addColumn("Name", Types.VARCHAR, 0, 0);
result.addColumn("Value", Types.VARCHAR, 0, 0);
for (Object key : clientInfo.keySet()) {
result.addRow(key, clientInfo.get(key));
}
return result;
}
/**
* Return an object of this class if possible.
*
* @param iface the class
* @return this
*/
@Override
@SuppressWarnings("unchecked")
public T unwrap(Class iface) throws SQLException {
try {
if (isWrapperFor(iface)) {
return (T) this;
}
throw DbException.getInvalidValueException("iface", iface);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Checks if unwrap can return an object of this class.
*
* @param iface the class
* @return whether or not the interface is assignable from this class
*/
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
return iface != null && iface.isAssignableFrom(getClass());
}
/**
* [Not supported] Gets the list of function columns.
*/
@Override
public ResultSet getFunctionColumns(String catalog, String schemaPattern,
String functionNamePattern, String columnNamePattern)
throws SQLException {
throw unsupported("getFunctionColumns");
}
/**
* [Not supported] Gets the list of functions.
*/
@Override
public ResultSet getFunctions(String catalog, String schemaPattern,
String functionNamePattern) throws SQLException {
throw unsupported("getFunctions");
}
/**
* [Not supported]
*/
@Override
public boolean generatedKeyAlwaysReturned() {
return true;
}
/**
* [Not supported]
*
* @param catalog null (to get all objects) or the catalog name
* @param schemaPattern null (to get all objects) or a schema name
* (uppercase for unquoted names)
* @param tableNamePattern null (to get all objects) or a table name
* (uppercase for unquoted names)
* @param columnNamePattern null (to get all objects) or a column name
* (uppercase for unquoted names)
*/
@Override
public ResultSet getPseudoColumns(String catalog, String schemaPattern,
String tableNamePattern, String columnNamePattern) {
return null;
}
/**
* INTERNAL
*/
@Override
public String toString() {
return getTraceObjectName() + ": " + conn;
}
}
