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JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.jdbc;
import static com.mysql.cj.jdbc.DatabaseMetaData.ProcedureType.FUNCTION;
import static com.mysql.cj.jdbc.DatabaseMetaData.ProcedureType.PROCEDURE;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.RowIdLifetime;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.StringTokenizer;
import java.util.TreeMap;
import java.util.TreeSet;
import com.mysql.cj.Constants;
import com.mysql.cj.Messages;
import com.mysql.cj.MysqlType;
import com.mysql.cj.NativeSession;
import com.mysql.cj.conf.PropertyDefinitions.DatabaseTerm;
import com.mysql.cj.conf.PropertyKey;
import com.mysql.cj.conf.RuntimeProperty;
import com.mysql.cj.exceptions.AssertionFailedException;
import com.mysql.cj.exceptions.CJException;
import com.mysql.cj.exceptions.ExceptionInterceptor;
import com.mysql.cj.exceptions.MysqlErrorNumbers;
import com.mysql.cj.jdbc.exceptions.SQLError;
import com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping;
import com.mysql.cj.jdbc.result.ResultSetFactory;
import com.mysql.cj.protocol.ColumnDefinition;
import com.mysql.cj.protocol.ResultsetRow;
import com.mysql.cj.protocol.a.result.ByteArrayRow;
import com.mysql.cj.protocol.a.result.ResultsetRowsStatic;
import com.mysql.cj.result.DefaultColumnDefinition;
import com.mysql.cj.result.Field;
import com.mysql.cj.result.Row;
import com.mysql.cj.util.StringUtils;
/**
* JDBC Interface to Mysql functions
*
* This class provides information about the database as a whole.
*
*
* Many of the methods here return lists of information in ResultSets. You can use the normal ResultSet methods such as getString and getInt to retrieve the
* data from these ResultSets. If a given form of metadata is not available, these methods show throw a SQLException.
*
*
* Some of these methods take arguments that are String patterns. These methods all have names such as fooPattern. Within a pattern String "%" means match any
* substring of 0 or more characters and "_" means match any one character.
*
*/
public class DatabaseMetaData implements java.sql.DatabaseMetaData {
/**
* Default max buffer size. See {@link PropertyKey#maxAllowedPacket}.
*/
protected static int maxBufferSize = 65535; // TODO find a way to use actual (not default) value
protected abstract class IteratorWithCleanup {
abstract void close() throws SQLException;
abstract boolean hasNext() throws SQLException;
abstract T next() throws SQLException;
}
class LocalAndReferencedColumns {
String constraintName;
List localColumnsList;
String referencedDatabase;
List referencedColumnsList;
String referencedTable;
LocalAndReferencedColumns(List localColumns, List refColumns, String constName, String refDatabase, String refTable) {
this.localColumnsList = localColumns;
this.referencedColumnsList = refColumns;
this.constraintName = constName;
this.referencedTable = refTable;
this.referencedDatabase = refDatabase;
}
}
protected class StringListIterator extends IteratorWithCleanup {
int idx = -1;
List list;
StringListIterator(List list) {
this.list = list;
}
@Override
void close() throws SQLException {
this.list = null;
}
@Override
boolean hasNext() throws SQLException {
return this.idx < this.list.size() - 1;
}
@Override
String next() throws SQLException {
this.idx++;
return this.list.get(this.idx);
}
}
protected class SingleStringIterator extends IteratorWithCleanup {
boolean onFirst = true;
String value;
SingleStringIterator(String s) {
this.value = s;
}
@Override
void close() throws SQLException {
// not needed
}
@Override
boolean hasNext() throws SQLException {
return this.onFirst;
}
@Override
String next() throws SQLException {
this.onFirst = false;
return this.value;
}
}
/**
* Parses and represents common data type information used by various
* column/parameter methods.
*/
class TypeDescriptor {
int bufferLength;
int charOctetLength;
Integer datetimePrecision = null;
Integer columnSize = null;
Integer decimalDigits = null;
String isNullable;
int nullability;
int numPrecRadix = 10;
String mysqlTypeName;
MysqlType mysqlType;
TypeDescriptor(String typeInfo, String nullabilityInfo) throws SQLException {
if (typeInfo == null) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.0"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
this.mysqlType = MysqlType.getByName(typeInfo);
// Figure Out the Size
String temp;
java.util.StringTokenizer tokenizer;
int maxLength = 0;
int fract;
switch (this.mysqlType) {
case ENUM:
temp = typeInfo.substring(typeInfo.indexOf("(") + 1, typeInfo.lastIndexOf(")"));
tokenizer = new java.util.StringTokenizer(temp, ",");
while (tokenizer.hasMoreTokens()) {
String nextToken = tokenizer.nextToken();
maxLength = Math.max(maxLength, (nextToken.length() - 2));
}
this.columnSize = Integer.valueOf(maxLength);
break;
case SET:
temp = typeInfo.substring(typeInfo.indexOf("(") + 1, typeInfo.lastIndexOf(")"));
tokenizer = new java.util.StringTokenizer(temp, ",");
int numElements = tokenizer.countTokens();
if (numElements > 0) {
maxLength += (numElements - 1);
}
while (tokenizer.hasMoreTokens()) {
String setMember = tokenizer.nextToken().trim();
if (setMember.startsWith("'") && setMember.endsWith("'")) {
maxLength += setMember.length() - 2;
} else {
maxLength += setMember.length();
}
}
this.columnSize = Integer.valueOf(maxLength);
break;
case FLOAT:
case FLOAT_UNSIGNED:
if (typeInfo.indexOf(",") != -1) {
// Numeric with decimals
this.columnSize = Integer.valueOf(typeInfo.substring((typeInfo.indexOf("(") + 1), (typeInfo.indexOf(","))).trim());
this.decimalDigits = Integer.valueOf(typeInfo.substring((typeInfo.indexOf(",") + 1), (typeInfo.indexOf(")"))).trim());
} else if (typeInfo.indexOf("(") != -1) {
int size = Integer.valueOf(typeInfo.substring((typeInfo.indexOf("(") + 1), (typeInfo.indexOf(")"))).trim());
if (size > 23) {
this.mysqlType = this.mysqlType == MysqlType.FLOAT ? MysqlType.DOUBLE : MysqlType.DOUBLE_UNSIGNED;
this.columnSize = Integer.valueOf(22);
this.decimalDigits = 0;
}
} else {
this.columnSize = Integer.valueOf(12);
this.decimalDigits = 0;
}
break;
case DECIMAL:
case DECIMAL_UNSIGNED:
case DOUBLE:
case DOUBLE_UNSIGNED:
if (typeInfo.indexOf(",") != -1) {
// Numeric with decimals
this.columnSize = Integer.valueOf(typeInfo.substring((typeInfo.indexOf("(") + 1), (typeInfo.indexOf(","))).trim());
this.decimalDigits = Integer.valueOf(typeInfo.substring((typeInfo.indexOf(",") + 1), (typeInfo.indexOf(")"))).trim());
} else {
switch (this.mysqlType) {
case DECIMAL:
case DECIMAL_UNSIGNED:
this.columnSize = Integer.valueOf(65);
break;
case DOUBLE:
case DOUBLE_UNSIGNED:
this.columnSize = Integer.valueOf(22);
break;
default:
break;
}
this.decimalDigits = 0;
}
break;
case CHAR:
case VARCHAR:
case TINYTEXT:
case MEDIUMTEXT:
case LONGTEXT:
case JSON:
case TEXT:
case TINYBLOB:
case MEDIUMBLOB:
case LONGBLOB:
case BLOB:
case BINARY:
case VARBINARY:
case BIT:
if (this.mysqlType == MysqlType.CHAR) {
this.columnSize = Integer.valueOf(1);
}
if (typeInfo.indexOf("(") != -1) {
int endParenIndex = typeInfo.indexOf(")");
if (endParenIndex == -1) {
endParenIndex = typeInfo.length();
}
this.columnSize = Integer.valueOf(typeInfo.substring((typeInfo.indexOf("(") + 1), endParenIndex).trim());
// Adjust for pseudo-boolean
if (DatabaseMetaData.this.tinyInt1isBit && this.columnSize.intValue() == 1
&& StringUtils.startsWithIgnoreCase(typeInfo, 0, "tinyint")) {
if (DatabaseMetaData.this.transformedBitIsBoolean) {
this.mysqlType = MysqlType.BOOLEAN;
} else {
this.mysqlType = MysqlType.BIT;
}
}
}
break;
case TINYINT:
if (DatabaseMetaData.this.tinyInt1isBit && typeInfo.indexOf("(1)") != -1) {
if (DatabaseMetaData.this.transformedBitIsBoolean) {
this.mysqlType = MysqlType.BOOLEAN;
} else {
this.mysqlType = MysqlType.BIT;
}
} else {
this.columnSize = Integer.valueOf(3);
}
break;
case TINYINT_UNSIGNED:
this.columnSize = Integer.valueOf(3);
break;
case DATE:
this.datetimePrecision = 0;
this.columnSize = 10;
break;
case TIME:
this.datetimePrecision = 0;
this.columnSize = 8;
if (typeInfo.indexOf("(") != -1
&& (fract = Integer.valueOf(typeInfo.substring((typeInfo.indexOf("(") + 1), (typeInfo.indexOf(")"))).trim())) > 0) {
// with fractional seconds
this.datetimePrecision = fract;
this.columnSize += fract + 1;
}
break;
case DATETIME:
case TIMESTAMP:
this.datetimePrecision = 0;
this.columnSize = 19;
if (typeInfo.indexOf("(") != -1
&& (fract = Integer.valueOf(typeInfo.substring((typeInfo.indexOf("(") + 1), (typeInfo.indexOf(")"))).trim())) > 0) {
// with fractional seconds
this.datetimePrecision = fract;
this.columnSize += fract + 1;
}
break;
case BOOLEAN:
case GEOMETRY:
case NULL:
case UNKNOWN:
case YEAR:
default:
}
// if not defined explicitly take the max precision
if (this.columnSize == null) {
// JDBC spec reserved only 'int' type for precision, thus we need to cut longer values
this.columnSize = this.mysqlType.getPrecision() > Integer.MAX_VALUE ? Integer.MAX_VALUE : this.mysqlType.getPrecision().intValue();
}
// BUFFER_LENGTH
this.bufferLength = maxBufferSize;
// NUM_PREC_RADIX (is this right for char?)
this.numPrecRadix = 10;
// Nullable?
if (nullabilityInfo != null) {
if (nullabilityInfo.equals("YES")) {
this.nullability = java.sql.DatabaseMetaData.columnNullable;
this.isNullable = "YES";
} else if (nullabilityInfo.equals("UNKNOWN")) {
this.nullability = java.sql.DatabaseMetaData.columnNullableUnknown;
this.isNullable = "";
// IS_NULLABLE
} else {
this.nullability = java.sql.DatabaseMetaData.columnNoNulls;
this.isNullable = "NO";
}
} else {
this.nullability = java.sql.DatabaseMetaData.columnNoNulls;
this.isNullable = "NO";
}
}
}
/**
* Helper class to provide means of comparing indexes by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION.
*/
protected class IndexMetaDataKey implements Comparable {
Boolean columnNonUnique;
Short columnType;
String columnIndexName;
Short columnOrdinalPosition;
IndexMetaDataKey(boolean columnNonUnique, short columnType, String columnIndexName, short columnOrdinalPosition) {
this.columnNonUnique = columnNonUnique;
this.columnType = columnType;
this.columnIndexName = columnIndexName;
this.columnOrdinalPosition = columnOrdinalPosition;
}
@Override
public int compareTo(IndexMetaDataKey indexInfoKey) {
int compareResult;
if ((compareResult = this.columnNonUnique.compareTo(indexInfoKey.columnNonUnique)) != 0) {
return compareResult;
}
if ((compareResult = this.columnType.compareTo(indexInfoKey.columnType)) != 0) {
return compareResult;
}
if ((compareResult = this.columnIndexName.compareTo(indexInfoKey.columnIndexName)) != 0) {
return compareResult;
}
return this.columnOrdinalPosition.compareTo(indexInfoKey.columnOrdinalPosition);
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (obj == this) {
return true;
}
if (!(obj instanceof IndexMetaDataKey)) {
return false;
}
return compareTo((IndexMetaDataKey) obj) == 0;
}
@Override
public int hashCode() {
assert false : "hashCode not designed";
return 0;
}
}
/**
* Helper class to provide means of comparing tables by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME.
*/
protected class TableMetaDataKey implements Comparable {
String tableType;
String tableCat;
String tableSchem;
String tableName;
TableMetaDataKey(String tableType, String tableCat, String tableSchem, String tableName) {
this.tableType = tableType == null ? "" : tableType;
this.tableCat = tableCat == null ? "" : tableCat;
this.tableSchem = tableSchem == null ? "" : tableSchem;
this.tableName = tableName == null ? "" : tableName;
}
@Override
public int compareTo(TableMetaDataKey tablesKey) {
int compareResult;
if ((compareResult = this.tableType.compareTo(tablesKey.tableType)) != 0) {
return compareResult;
}
if ((compareResult = this.tableCat.compareTo(tablesKey.tableCat)) != 0) {
return compareResult;
}
if ((compareResult = this.tableSchem.compareTo(tablesKey.tableSchem)) != 0) {
return compareResult;
}
return this.tableName.compareTo(tablesKey.tableName);
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (obj == this) {
return true;
}
if (!(obj instanceof TableMetaDataKey)) {
return false;
}
return compareTo((TableMetaDataKey) obj) == 0;
}
@Override
public int hashCode() {
assert false : "hashCode not designed";
return 0;
}
}
/**
* Helper/wrapper class to provide means of sorting objects by using a sorting key.
*
* @param
* key type
* @param
* value type
*/
protected class ComparableWrapper, V> implements Comparable> {
K key;
V value;
public ComparableWrapper(K key, V value) {
this.key = key;
this.value = value;
}
public K getKey() {
return this.key;
}
public V getValue() {
return this.value;
}
public int compareTo(ComparableWrapper other) {
return getKey().compareTo(other.getKey());
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (obj == this) {
return true;
}
if (!(obj instanceof ComparableWrapper)) {
return false;
}
Object otherKey = ((ComparableWrapper) obj).getKey();
return this.key.equals(otherKey);
}
@Override
public int hashCode() {
assert false : "hashCode not designed";
return 0;
}
@Override
public String toString() {
return "{KEY:" + this.key + "; VALUE:" + this.value + "}";
}
}
/**
* Enumeration for Table Types
*/
protected enum TableType {
LOCAL_TEMPORARY("LOCAL TEMPORARY"), SYSTEM_TABLE("SYSTEM TABLE"), SYSTEM_VIEW("SYSTEM VIEW"), TABLE("TABLE", new String[] { "BASE TABLE" }),
VIEW("VIEW"), UNKNOWN("UNKNOWN");
private String name;
private byte[] nameAsBytes;
private String[] synonyms;
TableType(String tableTypeName) {
this(tableTypeName, null);
}
TableType(String tableTypeName, String[] tableTypeSynonyms) {
this.name = tableTypeName;
this.nameAsBytes = tableTypeName.getBytes();
this.synonyms = tableTypeSynonyms;
}
String getName() {
return this.name;
}
byte[] asBytes() {
return this.nameAsBytes;
}
boolean equalsTo(String tableTypeName) {
return this.name.equalsIgnoreCase(tableTypeName);
}
static TableType getTableTypeEqualTo(String tableTypeName) {
for (TableType tableType : TableType.values()) {
if (tableType.equalsTo(tableTypeName)) {
return tableType;
}
}
return UNKNOWN;
}
boolean compliesWith(String tableTypeName) {
if (equalsTo(tableTypeName)) {
return true;
}
if (this.synonyms != null) {
for (String synonym : this.synonyms) {
if (synonym.equalsIgnoreCase(tableTypeName)) {
return true;
}
}
}
return false;
}
static TableType getTableTypeCompliantWith(String tableTypeName) {
for (TableType tableType : TableType.values()) {
if (tableType.compliesWith(tableTypeName)) {
return tableType;
}
}
return UNKNOWN;
}
}
/**
* Enumeration for Procedure Types
*/
protected enum ProcedureType {
PROCEDURE, FUNCTION;
}
protected static final int MAX_IDENTIFIER_LENGTH = 64;
/** The table type for generic tables that support foreign keys. */
private static final String SUPPORTS_FK = "SUPPORTS_FK";
protected static final byte[] TABLE_AS_BYTES = "TABLE".getBytes();
protected static final byte[] SYSTEM_TABLE_AS_BYTES = "SYSTEM TABLE".getBytes();
protected static final byte[] VIEW_AS_BYTES = "VIEW".getBytes();
// MySQL reserved words (all versions superset)
private static final String[] MYSQL_KEYWORDS = new String[] { "ACCESSIBLE", "ADD", "ALL", "ALTER", "ANALYZE", "AND", "AS", "ASC", "ASENSITIVE", "BEFORE",
"BETWEEN", "BIGINT", "BINARY", "BLOB", "BOTH", "BY", "CALL", "CASCADE", "CASE", "CHANGE", "CHAR", "CHARACTER", "CHECK", "COLLATE", "COLUMN",
"CONDITION", "CONSTRAINT", "CONTINUE", "CONVERT", "CREATE", "CROSS", "CUBE", "CUME_DIST", "CURRENT_DATE", "CURRENT_TIME", "CURRENT_TIMESTAMP",
"CURRENT_USER", "CURSOR", "DATABASE", "DATABASES", "DAY_HOUR", "DAY_MICROSECOND", "DAY_MINUTE", "DAY_SECOND", "DEC", "DECIMAL", "DECLARE",
"DEFAULT", "DELAYED", "DELETE", "DENSE_RANK", "DESC", "DESCRIBE", "DETERMINISTIC", "DISTINCT", "DISTINCTROW", "DIV", "DOUBLE", "DROP", "DUAL",
"EACH", "ELSE", "ELSEIF", "EMPTY", "ENCLOSED", "ESCAPED", "EXCEPT", "EXISTS", "EXIT", "EXPLAIN", "FALSE", "FETCH", "FIRST_VALUE", "FLOAT", "FLOAT4",
"FLOAT8", "FOR", "FORCE", "FOREIGN", "FROM", "FULLTEXT", "FUNCTION", "GENERATED", "GET", "GRANT", "GROUP", "GROUPING", "GROUPS", "HAVING",
"HIGH_PRIORITY", "HOUR_MICROSECOND", "HOUR_MINUTE", "HOUR_SECOND", "IF", "IGNORE", "IN", "INDEX", "INFILE", "INNER", "INOUT", "INSENSITIVE",
"INSERT", "INT", "INT1", "INT2", "INT3", "INT4", "INT8", "INTEGER", "INTERVAL", "INTO", "IO_AFTER_GTIDS", "IO_BEFORE_GTIDS", "IS", "ITERATE",
"JOIN", "JSON_TABLE", "KEY", "KEYS", "KILL", "LAG", "LAST_VALUE", "LEAD", "LEADING", "LEAVE", "LEFT", "LIKE", "LIMIT", "LINEAR", "LINES", "LOAD",
"LOCALTIME", "LOCALTIMESTAMP", "LOCK", "LONG", "LONGBLOB", "LONGTEXT", "LOOP", "LOW_PRIORITY", "MASTER_BIND", "MASTER_SSL_VERIFY_SERVER_CERT",
"MATCH", "MAXVALUE", "MEDIUMBLOB", "MEDIUMINT", "MEDIUMTEXT", "MIDDLEINT", "MINUTE_MICROSECOND", "MINUTE_SECOND", "MOD", "MODIFIES", "NATURAL",
"NOT", "NO_WRITE_TO_BINLOG", "NTH_VALUE", "NTILE", "NULL", "NUMERIC", "OF", "ON", "OPTIMIZE", "OPTIMIZER_COSTS", "OPTION", "OPTIONALLY", "OR",
"ORDER", "OUT", "OUTER", "OUTFILE", "OVER", "PARTITION", "PERCENT_RANK", "PERSIST", "PERSIST_ONLY", "PRECISION", "PRIMARY", "PROCEDURE", "PURGE",
"RANGE", "RANK", "READ", "READS", "READ_WRITE", "REAL", "RECURSIVE", "REFERENCES", "REGEXP", "RELEASE", "RENAME", "REPEAT", "REPLACE", "REQUIRE",
"RESIGNAL", "RESTRICT", "RETURN", "REVOKE", "RIGHT", "RLIKE", "ROW", "ROWS", "ROW_NUMBER", "SCHEMA", "SCHEMAS", "SECOND_MICROSECOND", "SELECT",
"SENSITIVE", "SEPARATOR", "SET", "SHOW", "SIGNAL", "SMALLINT", "SPATIAL", "SPECIFIC", "SQL", "SQLEXCEPTION", "SQLSTATE", "SQLWARNING",
"SQL_BIG_RESULT", "SQL_CALC_FOUND_ROWS", "SQL_SMALL_RESULT", "SSL", "STARTING", "STORED", "STRAIGHT_JOIN", "SYSTEM", "TABLE", "TERMINATED", "THEN",
"TINYBLOB", "TINYINT", "TINYTEXT", "TO", "TRAILING", "TRIGGER", "TRUE", "UNDO", "UNION", "UNIQUE", "UNLOCK", "UNSIGNED", "UPDATE", "USAGE", "USE",
"USING", "UTC_DATE", "UTC_TIME", "UTC_TIMESTAMP", "VALUES", "VARBINARY", "VARCHAR", "VARCHARACTER", "VARYING", "VIRTUAL", "WHEN", "WHERE", "WHILE",
"WINDOW", "WITH", "WRITE", "XOR", "YEAR_MONTH", "ZEROFILL" };
// SQL:2003 reserved words from 'ISO/IEC 9075-2:2003 (E), 2003-07-25'
/* package private */ static final List SQL2003_KEYWORDS = Arrays.asList("ABS", "ALL", "ALLOCATE", "ALTER", "AND", "ANY", "ARE", "ARRAY", "AS",
"ASENSITIVE", "ASYMMETRIC", "AT", "ATOMIC", "AUTHORIZATION", "AVG", "BEGIN", "BETWEEN", "BIGINT", "BINARY", "BLOB", "BOOLEAN", "BOTH", "BY", "CALL",
"CALLED", "CARDINALITY", "CASCADED", "CASE", "CAST", "CEIL", "CEILING", "CHAR", "CHARACTER", "CHARACTER_LENGTH", "CHAR_LENGTH", "CHECK", "CLOB",
"CLOSE", "COALESCE", "COLLATE", "COLLECT", "COLUMN", "COMMIT", "CONDITION", "CONNECT", "CONSTRAINT", "CONVERT", "CORR", "CORRESPONDING", "COUNT",
"COVAR_POP", "COVAR_SAMP", "CREATE", "CROSS", "CUBE", "CUME_DIST", "CURRENT", "CURRENT_DATE", "CURRENT_DEFAULT_TRANSFORM_GROUP", "CURRENT_PATH",
"CURRENT_ROLE", "CURRENT_TIME", "CURRENT_TIMESTAMP", "CURRENT_TRANSFORM_GROUP_FOR_TYPE", "CURRENT_USER", "CURSOR", "CYCLE", "DATE", "DAY",
"DEALLOCATE", "DEC", "DECIMAL", "DECLARE", "DEFAULT", "DELETE", "DENSE_RANK", "DEREF", "DESCRIBE", "DETERMINISTIC", "DISCONNECT", "DISTINCT",
"DOUBLE", "DROP", "DYNAMIC", "EACH", "ELEMENT", "ELSE", "END", "END-EXEC", "ESCAPE", "EVERY", "EXCEPT", "EXEC", "EXECUTE", "EXISTS", "EXP",
"EXTERNAL", "EXTRACT", "FALSE", "FETCH", "FILTER", "FLOAT", "FLOOR", "FOR", "FOREIGN", "FREE", "FROM", "FULL", "FUNCTION", "FUSION", "GET",
"GLOBAL", "GRANT", "GROUP", "GROUPING", "HAVING", "HOLD", "HOUR", "IDENTITY", "IN", "INDICATOR", "INNER", "INOUT", "INSENSITIVE", "INSERT", "INT",
"INTEGER", "INTERSECT", "INTERSECTION", "INTERVAL", "INTO", "IS", "JOIN", "LANGUAGE", "LARGE", "LATERAL", "LEADING", "LEFT", "LIKE", "LN", "LOCAL",
"LOCALTIME", "LOCALTIMESTAMP", "LOWER", "MATCH", "MAX", "MEMBER", "MERGE", "METHOD", "MIN", "MINUTE", "MOD", "MODIFIES", "MODULE", "MONTH",
"MULTISET", "NATIONAL", "NATURAL", "NCHAR", "NCLOB", "NEW", "NO", "NONE", "NORMALIZE", "NOT", "NULL", "NULLIF", "NUMERIC", "OCTET_LENGTH", "OF",
"OLD", "ON", "ONLY", "OPEN", "OR", "ORDER", "OUT", "OUTER", "OVER", "OVERLAPS", "OVERLAY", "PARAMETER", "PARTITION", "PERCENTILE_CONT",
"PERCENTILE_DISC", "PERCENT_RANK", "POSITION", "POWER", "PRECISION", "PREPARE", "PRIMARY", "PROCEDURE", "RANGE", "RANK", "READS", "REAL",
"RECURSIVE", "REF", "REFERENCES", "REFERENCING", "REGR_AVGX", "REGR_AVGY", "REGR_COUNT", "REGR_INTERCEPT", "REGR_R2", "REGR_SLOPE", "REGR_SXX",
"REGR_SXY", "REGR_SYY", "RELEASE", "RESULT", "RETURN", "RETURNS", "REVOKE", "RIGHT", "ROLLBACK", "ROLLUP", "ROW", "ROWS", "ROW_NUMBER", "SAVEPOINT",
"SCOPE", "SCROLL", "SEARCH", "SECOND", "SELECT", "SENSITIVE", "SESSION_USER", "SET", "SIMILAR", "SMALLINT", "SOME", "SPECIFIC", "SPECIFICTYPE",
"SQL", "SQLEXCEPTION", "SQLSTATE", "SQLWARNING", "SQRT", "START", "STATIC", "STDDEV_POP", "STDDEV_SAMP", "SUBMULTISET", "SUBSTRING", "SUM",
"SYMMETRIC", "SYSTEM", "SYSTEM_USER", "TABLE", "TABLESAMPLE", "THEN", "TIME", "TIMESTAMP", "TIMEZONE_HOUR", "TIMEZONE_MINUTE", "TO", "TRAILING",
"TRANSLATE", "TRANSLATION", "TREAT", "TRIGGER", "TRIM", "TRUE", "UESCAPE", "UNION", "UNIQUE", "UNKNOWN", "UNNEST", "UPDATE", "UPPER", "USER",
"USING", "VALUE", "VALUES", "VARCHAR", "VARYING", "VAR_POP", "VAR_SAMP", "WHEN", "WHENEVER", "WHERE", "WIDTH_BUCKET", "WINDOW", "WITH", "WITHIN",
"WITHOUT", "YEAR");
private static volatile String mysqlKeywords = null;
/** The connection to the database */
protected JdbcConnection conn;
protected NativeSession session;
/** The 'current' database name being used */
protected String database = null;
/** What character to use when quoting identifiers */
protected final String quotedId;
protected boolean pedantic;
protected boolean tinyInt1isBit;
protected boolean transformedBitIsBoolean;
protected boolean useHostsInPrivileges;
protected RuntimeProperty databaseTerm;
protected RuntimeProperty nullDatabaseMeansCurrent;
protected ResultSetFactory resultSetFactory;
private String metadataEncoding;
private int metadataCollationIndex;
protected static DatabaseMetaData getInstance(JdbcConnection connToSet, String databaseToSet, boolean checkForInfoSchema, ResultSetFactory resultSetFactory)
throws SQLException {
if (checkForInfoSchema && connToSet.getPropertySet().getBooleanProperty(PropertyKey.useInformationSchema).getValue()) {
return new DatabaseMetaDataUsingInfoSchema(connToSet, databaseToSet, resultSetFactory);
}
return new DatabaseMetaData(connToSet, databaseToSet, resultSetFactory);
}
/**
* Creates a new DatabaseMetaData object.
*
* @param connToSet
* Connection object
* @param databaseToSet
* database name
* @param resultSetFactory
* {@link ResultSetFactory}
*/
protected DatabaseMetaData(JdbcConnection connToSet, String databaseToSet, ResultSetFactory resultSetFactory) {
this.conn = connToSet;
this.session = (NativeSession) connToSet.getSession();
this.database = databaseToSet;
this.resultSetFactory = resultSetFactory;
this.exceptionInterceptor = this.conn.getExceptionInterceptor();
this.databaseTerm = this.conn.getPropertySet().getEnumProperty(PropertyKey.databaseTerm);
this.nullDatabaseMeansCurrent = this.conn.getPropertySet().getBooleanProperty(PropertyKey.nullDatabaseMeansCurrent);
this.pedantic = this.conn.getPropertySet().getBooleanProperty(PropertyKey.pedantic).getValue();
this.tinyInt1isBit = this.conn.getPropertySet().getBooleanProperty(PropertyKey.tinyInt1isBit).getValue();
this.transformedBitIsBoolean = this.conn.getPropertySet().getBooleanProperty(PropertyKey.transformedBitIsBoolean).getValue();
this.useHostsInPrivileges = this.conn.getPropertySet().getBooleanProperty(PropertyKey.useHostsInPrivileges).getValue();
this.quotedId = this.session.getIdentifierQuoteString();
}
@Override
public boolean allProceduresAreCallable() throws SQLException {
return false;
}
@Override
public boolean allTablesAreSelectable() throws SQLException {
return false;
}
protected void convertToJdbcFunctionList(ResultSet proceduresRs, List> procedureRows, Field[] fields) throws SQLException {
while (proceduresRs.next()) {
String procDb = proceduresRs.getString("db");
String functionName = proceduresRs.getString("name");
byte[][] rowData = null;
if (fields != null && fields.length == 9) {
rowData = new byte[9][];
rowData[0] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b("def") : s2b(procDb); // PROCEDURE_CAT
rowData[1] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b(procDb) : null; // PROCEDURE_SCHEM
rowData[2] = s2b(functionName); // PROCEDURE_NAME
rowData[3] = null; // reserved1
rowData[4] = null; // reserved2
rowData[5] = null; // reserved3
rowData[6] = s2b(proceduresRs.getString("comment")); // REMARKS
rowData[7] = s2b(Integer.toString(procedureReturnsResult)); // PROCEDURE_TYPE
rowData[8] = s2b(functionName);
} else {
rowData = new byte[6][];
rowData[0] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b("def") : s2b(procDb); // PROCEDURE_CAT
rowData[1] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b(procDb) : null; // PROCEDURE_SCHEM
rowData[2] = s2b(functionName); // FUNCTION_NAME
rowData[3] = s2b(proceduresRs.getString("comment")); // REMARKS
rowData[4] = s2b(Integer.toString(functionNoTable)); // FUNCTION_TYPE
rowData[5] = s2b(functionName); // SPECFIC NAME
}
procedureRows.add(new ComparableWrapper(StringUtils.getFullyQualifiedName(procDb, functionName, this.quotedId, this.pedantic),
new ByteArrayRow(rowData, getExceptionInterceptor())));
}
}
protected void convertToJdbcProcedureList(boolean fromSelect, ResultSet proceduresRs, List> procedureRows)
throws SQLException {
while (proceduresRs.next()) {
String procDb = proceduresRs.getString("db");
String procedureName = proceduresRs.getString("name");
byte[][] rowData = new byte[9][];
rowData[0] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b("def") : s2b(procDb);
rowData[1] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b(procDb) : null;
rowData[2] = s2b(procedureName);
rowData[3] = null;
rowData[4] = null;
rowData[5] = null;
rowData[6] = s2b(proceduresRs.getString("comment"));
boolean isFunction = fromSelect ? "FUNCTION".equalsIgnoreCase(proceduresRs.getString("type")) : false;
rowData[7] = s2b(isFunction ? Integer.toString(procedureReturnsResult) : Integer.toString(procedureNoResult));
rowData[8] = s2b(procedureName);
procedureRows.add(new ComparableWrapper(StringUtils.getFullyQualifiedName(procDb, procedureName, this.quotedId, this.pedantic),
new ByteArrayRow(rowData, getExceptionInterceptor())));
}
}
private Row convertTypeDescriptorToProcedureRow(byte[] procNameAsBytes, byte[] procCatAsBytes, String paramName, boolean isOutParam, boolean isInParam,
boolean isReturnParam, TypeDescriptor typeDesc, boolean forGetFunctionColumns, int ordinal) throws SQLException {
byte[][] row = forGetFunctionColumns ? new byte[17][] : new byte[20][];
row[0] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b("def") : procCatAsBytes; // PROCEDURE_CAT
row[1] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? procCatAsBytes : null; // PROCEDURE_SCHEM
row[2] = procNameAsBytes; // PROCEDURE/NAME
row[3] = s2b(paramName); // COLUMN_NAME
row[4] = s2b(String.valueOf(getColumnType(isOutParam, isInParam, isReturnParam, forGetFunctionColumns))); // COLUMN_TYPE
row[5] = s2b(Short.toString((short) typeDesc.mysqlType.getJdbcType())); // DATA_TYPE
row[6] = s2b(typeDesc.mysqlType.getName()); // TYPE_NAME
row[7] = typeDesc.datetimePrecision == null ? s2b(typeDesc.columnSize.toString()) : s2b(typeDesc.datetimePrecision.toString()); // PRECISION
row[8] = typeDesc.columnSize == null ? null : s2b(typeDesc.columnSize.toString()); // LENGTH
row[9] = typeDesc.decimalDigits == null ? null : s2b(typeDesc.decimalDigits.toString()); // SCALE
row[10] = s2b(Integer.toString(typeDesc.numPrecRadix)); // RADIX
// Map 'column****' to 'procedure****'
switch (typeDesc.nullability) {
case columnNoNulls:
row[11] = s2b(String.valueOf(procedureNoNulls)); // NULLABLE
break;
case columnNullable:
row[11] = s2b(String.valueOf(procedureNullable)); // NULLABLE
break;
case columnNullableUnknown:
row[11] = s2b(String.valueOf(procedureNullableUnknown)); // NULLABLE
break;
default:
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.1"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
row[12] = null;
if (forGetFunctionColumns) {
row[13] = null; // CHAR_OCTECT_LENGTH
row[14] = s2b(String.valueOf(ordinal)); // ORDINAL_POSITION
row[15] = s2b(typeDesc.isNullable); // IS_NULLABLE
row[16] = procNameAsBytes; // SPECIFIC_NAME
} else {
row[13] = null; // COLUMN_DEF
row[14] = null; // SQL_DATA_TYPE (future use)
row[15] = null; // SQL_DATETIME_SUB (future use)
// TODO CHAR_OCTET_LENGTH the maximum length of binary and character based columns. For any other datatype the returned value is a NULL
row[16] = null; // CHAR_OCTET_LENGTH
row[17] = s2b(String.valueOf(ordinal)); // ORDINAL_POSITION
row[18] = s2b(typeDesc.isNullable); // IS_NULLABLE
row[19] = procNameAsBytes; // SPECIFIC_NAME
}
return new ByteArrayRow(row, getExceptionInterceptor());
}
/**
* Determines the COLUMN_TYPE information based on parameter type (IN, OUT or INOUT) or function return parameter.
*
* @param isOutParam
* Indicates whether it's an output parameter.
* @param isInParam
* Indicates whether it's an input parameter.
* @param isReturnParam
* Indicates whether it's a function return parameter.
* @param forGetFunctionColumns
* Indicates whether the column belong to a function. This argument is required for JDBC4, in which case
* this method must be overridden to provide the correct functionality.
*
* @return The corresponding COLUMN_TYPE as in java.sql.getProcedureColumns API.
*/
protected int getColumnType(boolean isOutParam, boolean isInParam, boolean isReturnParam, boolean forGetFunctionColumns) {
return getProcedureOrFunctionColumnType(isOutParam, isInParam, isReturnParam, forGetFunctionColumns);
}
/**
* Determines the COLUMN_TYPE information based on parameter type (IN, OUT or INOUT) or function return parameter.
*
* @param isOutParam
* Indicates whether it's an output parameter.
* @param isInParam
* Indicates whether it's an input parameter.
* @param isReturnParam
* Indicates whether it's a function return parameter.
* @param forGetFunctionColumns
* Indicates whether the column belong to a function.
*
* @return The corresponding COLUMN_TYPE as in java.sql.getProcedureColumns API.
*/
protected static int getProcedureOrFunctionColumnType(boolean isOutParam, boolean isInParam, boolean isReturnParam, boolean forGetFunctionColumns) {
if (isInParam && isOutParam) {
return forGetFunctionColumns ? functionColumnInOut : procedureColumnInOut;
} else if (isInParam) {
return forGetFunctionColumns ? functionColumnIn : procedureColumnIn;
} else if (isOutParam) {
return forGetFunctionColumns ? functionColumnOut : procedureColumnOut;
} else if (isReturnParam) {
return forGetFunctionColumns ? functionReturn : procedureColumnReturn;
} else {
return forGetFunctionColumns ? functionColumnUnknown : procedureColumnUnknown;
}
}
private ExceptionInterceptor exceptionInterceptor;
protected ExceptionInterceptor getExceptionInterceptor() {
return this.exceptionInterceptor;
}
@Override
public boolean dataDefinitionCausesTransactionCommit() throws SQLException {
return true;
}
@Override
public boolean dataDefinitionIgnoredInTransactions() throws SQLException {
return false;
}
@Override
public boolean deletesAreDetected(int type) throws SQLException {
return false;
}
@Override
public boolean doesMaxRowSizeIncludeBlobs() throws SQLException {
return true;
}
/**
* Extracts foreign key info for one table.
*
* @param rows
* the list of rows to add to
* @param rs
* the result set from 'SHOW CREATE TABLE'
* @param dbName
* the database name
* @return the list of rows with new rows added
* @throws SQLException
* if a database access error occurs
*/
public List extractForeignKeyForTable(ArrayList rows, java.sql.ResultSet rs, String dbName) throws SQLException {
byte[][] row = new byte[3][];
row[0] = rs.getBytes(1);
row[1] = s2b(SUPPORTS_FK);
String createTableString = rs.getString(2);
StringTokenizer lineTokenizer = new StringTokenizer(createTableString, "\n");
StringBuilder commentBuf = new StringBuilder("comment; ");
boolean firstTime = true;
while (lineTokenizer.hasMoreTokens()) {
String line = lineTokenizer.nextToken().trim();
String constraintName = null;
if (StringUtils.startsWithIgnoreCase(line, "CONSTRAINT")) {
boolean usingBackTicks = true;
int beginPos = StringUtils.indexOfQuoteDoubleAware(line, this.quotedId, 0);
if (beginPos == -1) {
beginPos = line.indexOf("\"");
usingBackTicks = false;
}
if (beginPos != -1) {
int endPos = -1;
if (usingBackTicks) {
endPos = StringUtils.indexOfQuoteDoubleAware(line, this.quotedId, beginPos + 1);
} else {
endPos = StringUtils.indexOfQuoteDoubleAware(line, "\"", beginPos + 1);
}
if (endPos != -1) {
constraintName = line.substring(beginPos + 1, endPos);
line = line.substring(endPos + 1, line.length()).trim();
}
}
}
if (line.startsWith("FOREIGN KEY")) {
if (line.endsWith(",")) {
line = line.substring(0, line.length() - 1);
}
int indexOfFK = line.indexOf("FOREIGN KEY");
String localColumnName = null;
String referencedDbName = StringUtils.quoteIdentifier(dbName, this.quotedId, this.pedantic);
String referencedTableName = null;
String referencedColumnName = null;
if (indexOfFK != -1) {
int afterFk = indexOfFK + "FOREIGN KEY".length();
int indexOfRef = StringUtils.indexOfIgnoreCase(afterFk, line, "REFERENCES", this.quotedId, this.quotedId, StringUtils.SEARCH_MODE__ALL);
if (indexOfRef != -1) {
int indexOfParenOpen = line.indexOf('(', afterFk);
int indexOfParenClose = StringUtils.indexOfIgnoreCase(indexOfParenOpen, line, ")", this.quotedId, this.quotedId,
StringUtils.SEARCH_MODE__ALL);
if (indexOfParenOpen == -1 || indexOfParenClose == -1) {
// throw SQLError.createSQLException();
}
localColumnName = line.substring(indexOfParenOpen + 1, indexOfParenClose);
int afterRef = indexOfRef + "REFERENCES".length();
int referencedColumnBegin = StringUtils.indexOfIgnoreCase(afterRef, line, "(", this.quotedId, this.quotedId,
StringUtils.SEARCH_MODE__ALL);
if (referencedColumnBegin != -1) {
referencedTableName = line.substring(afterRef, referencedColumnBegin);
int referencedColumnEnd = StringUtils.indexOfIgnoreCase(referencedColumnBegin + 1, line, ")", this.quotedId, this.quotedId,
StringUtils.SEARCH_MODE__ALL);
if (referencedColumnEnd != -1) {
referencedColumnName = line.substring(referencedColumnBegin + 1, referencedColumnEnd);
}
int indexOfDbSep = StringUtils.indexOfIgnoreCase(0, referencedTableName, ".", this.quotedId, this.quotedId,
StringUtils.SEARCH_MODE__ALL);
if (indexOfDbSep != -1) {
referencedDbName = referencedTableName.substring(0, indexOfDbSep);
referencedTableName = referencedTableName.substring(indexOfDbSep + 1);
}
}
}
}
if (!firstTime) {
commentBuf.append("; ");
} else {
firstTime = false;
}
if (constraintName != null) {
commentBuf.append(constraintName);
} else {
commentBuf.append("not_available");
}
commentBuf.append("(");
commentBuf.append(localColumnName);
commentBuf.append(") REFER ");
commentBuf.append(referencedDbName);
commentBuf.append("/");
commentBuf.append(referencedTableName);
commentBuf.append("(");
commentBuf.append(referencedColumnName);
commentBuf.append(")");
int lastParenIndex = line.lastIndexOf(")");
if (lastParenIndex != (line.length() - 1)) {
String cascadeOptions = line.substring(lastParenIndex + 1);
commentBuf.append(" ");
commentBuf.append(cascadeOptions);
}
}
}
row[2] = s2b(commentBuf.toString());
rows.add(new ByteArrayRow(row, getExceptionInterceptor()));
return rows;
}
/**
* Creates a result set similar enough to 'SHOW TABLE STATUS' to allow the
* same code to work on extracting the foreign key data
*
* @param dbName
* the database name to extract foreign key info for
* @param tableName
* the table to extract foreign key info for
* @return A result set that has the structure of 'show table status'
* @throws SQLException
* if a database access error occurs.
*/
public ResultSet extractForeignKeyFromCreateTable(String dbName, String tableName) throws SQLException {
ArrayList tableList = new ArrayList<>();
java.sql.ResultSet rs = null;
java.sql.Statement stmt = null;
if (tableName != null) {
tableList.add(tableName);
} else {
try {
rs = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? getTables(null, dbName, null, new String[] { "TABLE" })
: getTables(dbName, null, null, new String[] { "TABLE" });
while (rs.next()) {
tableList.add(rs.getString("TABLE_NAME"));
}
} finally {
if (rs != null) {
rs.close();
}
rs = null;
}
}
ArrayList rows = new ArrayList<>();
Field[] fields = new Field[3];
fields[0] = new Field("", "Name", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, Integer.MAX_VALUE);
fields[1] = new Field("", "Type", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[2] = new Field("", "Comment", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, Integer.MAX_VALUE);
int numTables = tableList.size();
stmt = this.conn.getMetadataSafeStatement();
try {
for (int i = 0; i < numTables; i++) {
String tableToExtract = tableList.get(i);
String query = new StringBuilder("SHOW CREATE TABLE ")
.append(StringUtils.getFullyQualifiedName(dbName, tableToExtract, this.quotedId, this.pedantic)).toString();
try {
rs = stmt.executeQuery(query);
} catch (SQLException sqlEx) {
// Table might've disappeared on us, not really an error
String sqlState = sqlEx.getSQLState();
if (!"42S02".equals(sqlState) && sqlEx.getErrorCode() != MysqlErrorNumbers.ER_NO_SUCH_TABLE
&& sqlEx.getErrorCode() != MysqlErrorNumbers.ER_BAD_DB_ERROR) {
throw sqlEx;
}
continue;
}
while (rs != null && rs.next()) {
extractForeignKeyForTable(rows, rs, dbName);
}
}
} finally {
if (rs != null) {
rs.close();
}
rs = null;
if (stmt != null) {
stmt.close();
}
stmt = null;
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(fields)));
}
@Override
public java.sql.ResultSet getAttributes(String arg0, String arg1, String arg2, String arg3) throws SQLException {
Field[] fields = new Field[21];
fields[0] = new Field("", "TYPE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[1] = new Field("", "TYPE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[2] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[3] = new Field("", "ATTR_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[4] = new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 32);
fields[5] = new Field("", "ATTR_TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[6] = new Field("", "ATTR_SIZE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[7] = new Field("", "DECIMAL_DIGITS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[8] = new Field("", "NUM_PREC_RADIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[9] = new Field("", "NULLABLE ", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[10] = new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[11] = new Field("", "ATTR_DEF", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[12] = new Field("", "SQL_DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[13] = new Field("", "SQL_DATETIME_SUB", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[14] = new Field("", "CHAR_OCTET_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[15] = new Field("", "ORDINAL_POSITION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[16] = new Field("", "IS_NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[17] = new Field("", "SCOPE_CATALOG", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[18] = new Field("", "SCOPE_SCHEMA", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[19] = new Field("", "SCOPE_TABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[20] = new Field("", "SOURCE_DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 32);
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(new ArrayList(), new DefaultColumnDefinition(fields)));
}
@Override
public java.sql.ResultSet getBestRowIdentifier(String catalog, String schema, final String table, int scope, boolean nullable) throws SQLException {
if (table == null) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.2"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
Field[] fields = new Field[8];
fields[0] = new Field("", "SCOPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
fields[1] = new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[2] = new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32);
fields[3] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[4] = new Field("", "COLUMN_SIZE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[5] = new Field("", "BUFFER_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[6] = new Field("", "DECIMAL_DIGITS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 10);
fields[7] = new Field("", "PSEUDO_COLUMN", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
final ArrayList rows = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
String db = getDatabase(catalog, schema);
try {
new IterateBlock(getDatabaseIterator(db)) {
@Override
void forEach(String dbStr) throws SQLException {
ResultSet results = null;
try {
StringBuilder queryBuf = new StringBuilder("SHOW COLUMNS FROM ");
queryBuf.append(StringUtils.quoteIdentifier(table, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
queryBuf.append(" FROM ");
queryBuf.append(StringUtils.quoteIdentifier(dbStr, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
try {
results = stmt.executeQuery(queryBuf.toString());
} catch (SQLException sqlEx) {
String sqlState = sqlEx.getSQLState(); // If SQLState is 42S02, ignore this SQLException it means the table doesn't exist....
int errorCode = sqlEx.getErrorCode(); // Sometimes SQLState is not mapped correctly for pre-4.1 so use error code instead.
if (!"42S02".equals(sqlState) && errorCode != MysqlErrorNumbers.ER_NO_SUCH_TABLE
&& errorCode != MysqlErrorNumbers.ER_BAD_DB_ERROR) {
throw sqlEx;
}
}
while (results != null && results.next()) {
String keyType = results.getString("Key");
if (keyType != null) {
if (StringUtils.startsWithIgnoreCase(keyType, "PRI")) {
byte[][] rowVal = new byte[8][];
rowVal[0] = Integer.toString(java.sql.DatabaseMetaData.bestRowSession).getBytes();
rowVal[1] = results.getBytes("Field");
String type = results.getString("Type");
int size = stmt.getMaxFieldSize();
int decimals = 0;
boolean hasLength = false;
/*
* Parse the Type column from MySQL
*/
if (type.indexOf("enum") != -1) {
String temp = type.substring(type.indexOf("("), type.indexOf(")"));
java.util.StringTokenizer tokenizer = new java.util.StringTokenizer(temp, ",");
int maxLength = 0;
while (tokenizer.hasMoreTokens()) {
maxLength = Math.max(maxLength, (tokenizer.nextToken().length() - 2));
}
size = maxLength;
decimals = 0;
type = "enum";
} else if (type.indexOf("(") != -1) {
hasLength = true;
if (type.indexOf(",") != -1) {
size = Integer.parseInt(type.substring(type.indexOf("(") + 1, type.indexOf(",")));
decimals = Integer.parseInt(type.substring(type.indexOf(",") + 1, type.indexOf(")")));
} else {
size = Integer.parseInt(type.substring(type.indexOf("(") + 1, type.indexOf(")")));
}
type = type.substring(0, type.indexOf("("));
}
MysqlType ft = MysqlType.getByName(type.toUpperCase());
rowVal[2] = s2b(String.valueOf(ft.getJdbcType()));
rowVal[3] = s2b(type);
rowVal[4] = hasLength ? Integer.toString(size + decimals).getBytes() : Long.toString(ft.getPrecision()).getBytes();
rowVal[5] = Integer.toString(maxBufferSize).getBytes();
rowVal[6] = Integer.toString(decimals).getBytes();
rowVal[7] = Integer.toString(java.sql.DatabaseMetaData.bestRowNotPseudo).getBytes();
rows.add(new ByteArrayRow(rowVal, getExceptionInterceptor()));
}
}
}
} catch (SQLException sqlEx) {
if (!MysqlErrorNumbers.SQL_STATE_BASE_TABLE_OR_VIEW_NOT_FOUND.equals(sqlEx.getSQLState())) {
throw sqlEx;
}
} finally {
if (results != null) {
try {
results.close();
} catch (Exception ex) {
}
results = null;
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
java.sql.ResultSet results = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(fields)));
return results;
}
/*
* Extract parameter details for Procedures and Functions by parsing the DDL query obtained from SHOW CREATE [PROCEDURE|FUNCTION] ... statements.
* The result rows returned follow the required structure for getProcedureColumns() and getFunctionColumns() methods.
*
* Internal use only.
*/
private void getCallStmtParameterTypes(String db, String quotedProcName, ProcedureType procType, String parameterNamePattern, List resultRows,
boolean forGetFunctionColumns) throws SQLException {
java.sql.Statement paramRetrievalStmt = null;
java.sql.ResultSet paramRetrievalRs = null;
String parameterDef = null;
byte[] procNameAsBytes = null;
byte[] procCatAsBytes = null;
boolean isProcedureInAnsiMode = false;
String storageDefnDelims = null;
String storageDefnClosures = null;
try {
paramRetrievalStmt = this.conn.getMetadataSafeStatement();
String oldDb = this.conn.getDatabase();
if (this.conn.lowerCaseTableNames() && db != null && db.length() != 0 && oldDb != null && oldDb.length() != 0) {
// Workaround for bug in server wrt. to SHOW CREATE PROCEDURE not respecting lower-case table names
ResultSet rs = null;
try {
this.conn.setDatabase(StringUtils.unQuoteIdentifier(db, this.quotedId));
rs = paramRetrievalStmt.executeQuery("SELECT DATABASE()");
rs.next();
db = rs.getString(1);
} finally {
this.conn.setDatabase(oldDb);
if (rs != null) {
rs.close();
}
}
}
if (paramRetrievalStmt.getMaxRows() != 0) {
paramRetrievalStmt.setMaxRows(0);
}
int dotIndex = " ".equals(this.quotedId) ? quotedProcName.indexOf(".")
: StringUtils.indexOfIgnoreCase(0, quotedProcName, ".", this.quotedId, this.quotedId,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
String dbName = null;
if (dotIndex != -1 && (dotIndex + 1) < quotedProcName.length()) {
dbName = quotedProcName.substring(0, dotIndex);
quotedProcName = quotedProcName.substring(dotIndex + 1);
} else {
dbName = StringUtils.quoteIdentifier(db, this.quotedId, this.pedantic);
}
// Moved from above so that procName is *without* database as expected by the rest of code
// Removing QuoteChar to get output as it was before PROC_CAT fixes
String tmpProcName = StringUtils.unQuoteIdentifier(quotedProcName, this.quotedId);
procNameAsBytes = StringUtils.getBytes(tmpProcName, "UTF-8");
tmpProcName = StringUtils.unQuoteIdentifier(dbName, this.quotedId);
procCatAsBytes = StringUtils.getBytes(tmpProcName, "UTF-8");
// there is no need to quote the identifier here since 'dbName' and 'procName' are guaranteed to be already quoted.
StringBuilder procNameBuf = new StringBuilder();
procNameBuf.append(dbName);
procNameBuf.append('.');
procNameBuf.append(quotedProcName);
String fieldName = null;
if (procType == PROCEDURE) {
paramRetrievalRs = paramRetrievalStmt.executeQuery("SHOW CREATE PROCEDURE " + procNameBuf.toString());
fieldName = "Create Procedure";
} else {
paramRetrievalRs = paramRetrievalStmt.executeQuery("SHOW CREATE FUNCTION " + procNameBuf.toString());
fieldName = "Create Function";
}
if (paramRetrievalRs.next()) {
String procedureDef = paramRetrievalRs.getString(fieldName);
if (!this.conn.getPropertySet().getBooleanProperty(PropertyKey.noAccessToProcedureBodies).getValue()
&& (procedureDef == null || procedureDef.length() == 0)) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.4"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
try {
String sqlMode = paramRetrievalRs.getString("sql_mode");
if (StringUtils.indexOfIgnoreCase(sqlMode, "ANSI") != -1) {
isProcedureInAnsiMode = true;
}
} catch (SQLException sqlEx) {
// doesn't exist
}
String identifierMarkers = isProcedureInAnsiMode ? "`\"" : "`";
String identifierAndStringMarkers = "'" + identifierMarkers;
storageDefnDelims = "(" + identifierMarkers;
storageDefnClosures = ")" + identifierMarkers;
if (procedureDef != null && procedureDef.length() != 0) {
// sanitize/normalize by stripping out comments
procedureDef = StringUtils.stripComments(procedureDef, identifierAndStringMarkers, identifierAndStringMarkers, true, false, true, true);
int openParenIndex = StringUtils.indexOfIgnoreCase(0, procedureDef, "(", this.quotedId, this.quotedId,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
int endOfParamDeclarationIndex = 0;
endOfParamDeclarationIndex = endPositionOfParameterDeclaration(openParenIndex, procedureDef, this.quotedId);
if (procType == FUNCTION) {
// Grab the return column since it needs
// to go first in the output result set
int returnsIndex = StringUtils.indexOfIgnoreCase(0, procedureDef, " RETURNS ", this.quotedId, this.quotedId,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
int endReturnsDef = findEndOfReturnsClause(procedureDef, returnsIndex);
// Trim off whitespace after "RETURNS"
int declarationStart = returnsIndex + "RETURNS ".length();
while (declarationStart < procedureDef.length()) {
if (Character.isWhitespace(procedureDef.charAt(declarationStart))) {
declarationStart++;
} else {
break;
}
}
String returnsDefn = procedureDef.substring(declarationStart, endReturnsDef).trim();
TypeDescriptor returnDescriptor = new TypeDescriptor(returnsDefn, "YES");
resultRows.add(convertTypeDescriptorToProcedureRow(procNameAsBytes, procCatAsBytes, "", false, false, true, returnDescriptor,
forGetFunctionColumns, 0));
}
if ((openParenIndex == -1) || (endOfParamDeclarationIndex == -1)) {
// parse error?
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.5"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
parameterDef = procedureDef.substring(openParenIndex + 1, endOfParamDeclarationIndex);
}
}
} finally {
SQLException sqlExRethrow = null;
if (paramRetrievalRs != null) {
try {
paramRetrievalRs.close();
} catch (SQLException sqlEx) {
sqlExRethrow = sqlEx;
}
paramRetrievalRs = null;
}
if (paramRetrievalStmt != null) {
try {
paramRetrievalStmt.close();
} catch (SQLException sqlEx) {
sqlExRethrow = sqlEx;
}
paramRetrievalStmt = null;
}
if (sqlExRethrow != null) {
throw sqlExRethrow;
}
}
if (parameterDef != null) {
int ordinal = 1;
List parseList = StringUtils.split(parameterDef, ",", storageDefnDelims, storageDefnClosures, true);
int parseListLen = parseList.size();
for (int i = 0; i < parseListLen; i++) {
String declaration = parseList.get(i);
if (declaration.trim().length() == 0) {
break; // no parameters actually declared, but whitespace spans lines
}
// Bug#52167, tokenizer will break if declaration contains special characters like \n
declaration = declaration.replaceAll("[\\t\\n\\x0B\\f\\r]", " ");
StringTokenizer declarationTok = new StringTokenizer(declaration, " \t");
String paramName = null;
boolean isOutParam = false;
boolean isInParam = false;
if (declarationTok.hasMoreTokens()) {
String possibleParamName = declarationTok.nextToken();
if (possibleParamName.equalsIgnoreCase("OUT")) {
isOutParam = true;
if (declarationTok.hasMoreTokens()) {
paramName = declarationTok.nextToken();
} else {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.6"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
} else if (possibleParamName.equalsIgnoreCase("INOUT")) {
isOutParam = true;
isInParam = true;
if (declarationTok.hasMoreTokens()) {
paramName = declarationTok.nextToken();
} else {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.6"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
} else if (possibleParamName.equalsIgnoreCase("IN")) {
isOutParam = false;
isInParam = true;
if (declarationTok.hasMoreTokens()) {
paramName = declarationTok.nextToken();
} else {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.6"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
} else {
isOutParam = false;
isInParam = true;
paramName = possibleParamName;
}
TypeDescriptor typeDesc = null;
if (declarationTok.hasMoreTokens()) {
StringBuilder typeInfoBuf = new StringBuilder(declarationTok.nextToken());
while (declarationTok.hasMoreTokens()) {
typeInfoBuf.append(" ");
typeInfoBuf.append(declarationTok.nextToken());
}
String typeInfo = typeInfoBuf.toString();
typeDesc = new TypeDescriptor(typeInfo, "YES");
} else {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.7"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
if ((paramName.startsWith("`") && paramName.endsWith("`"))
|| (isProcedureInAnsiMode && paramName.startsWith("\"") && paramName.endsWith("\""))) {
paramName = paramName.substring(1, paramName.length() - 1);
}
if (parameterNamePattern == null || StringUtils.wildCompareIgnoreCase(paramName, parameterNamePattern)) {
Row row = convertTypeDescriptorToProcedureRow(procNameAsBytes, procCatAsBytes, paramName, isOutParam, isInParam, false, typeDesc,
forGetFunctionColumns, ordinal++);
resultRows.add(row);
}
} else {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.8"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
}
} else {
// Is this an error? JDBC spec doesn't make it clear if stored procedure doesn't exist, is it an error....
}
}
/**
* Finds the end of the parameter declaration from the output of "SHOW
* CREATE PROCEDURE".
*
* @param beginIndex
* should be the index of the procedure body that contains the
* first "(".
* @param procedureDef
* the procedure body
* @param quoteChar
* the identifier quote character in use
* @return the ending index of the parameter declaration, not including the
* closing ")"
* @throws SQLException
* if a parse error occurs.
*/
private int endPositionOfParameterDeclaration(int beginIndex, String procedureDef, String quoteChar) throws SQLException {
int currentPos = beginIndex + 1;
int parenDepth = 1; // counting the first openParen
while (parenDepth > 0 && currentPos < procedureDef.length()) {
int closedParenIndex = StringUtils.indexOfIgnoreCase(currentPos, procedureDef, ")", quoteChar, quoteChar,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
if (closedParenIndex != -1) {
int nextOpenParenIndex = StringUtils.indexOfIgnoreCase(currentPos, procedureDef, "(", quoteChar, quoteChar,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
if (nextOpenParenIndex != -1 && nextOpenParenIndex < closedParenIndex) {
parenDepth++;
currentPos = closedParenIndex + 1; // set after closed paren that increases depth
} else {
parenDepth--;
currentPos = closedParenIndex; // start search from same position
}
} else {
// we should always get closed paren of some sort
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.5"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
}
return currentPos;
}
/**
* Finds the end of the RETURNS clause for SQL Functions by using any of the
* keywords allowed after the RETURNS clause, or a label.
*
* @param procedureDefn
* the function body containing the definition of the function
* @param positionOfReturnKeyword
* the position of "RETURNS" in the definition
* @return the end of the returns clause
* @throws SQLException
* if a parse error occurs
*/
private int findEndOfReturnsClause(String procedureDefn, int positionOfReturnKeyword) throws SQLException {
/*
* characteristic: LANGUAGE SQL | [NOT] DETERMINISTIC | { CONTAINS SQL |
* NO SQL | READS SQL DATA | MODIFIES SQL DATA } | SQL SECURITY {
* DEFINER | INVOKER } | COMMENT 'string'
*/
String openingMarkers = this.quotedId + "(";
String closingMarkers = this.quotedId + ")";
String[] tokens = new String[] { "LANGUAGE", "NOT", "DETERMINISTIC", "CONTAINS", "NO", "READ", "MODIFIES", "SQL", "COMMENT", "BEGIN", "RETURN" };
int startLookingAt = positionOfReturnKeyword + "RETURNS".length() + 1;
int endOfReturn = -1;
for (int i = 0; i < tokens.length; i++) {
int nextEndOfReturn = StringUtils.indexOfIgnoreCase(startLookingAt, procedureDefn, tokens[i], openingMarkers, closingMarkers,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
if (nextEndOfReturn != -1) {
if (endOfReturn == -1 || (nextEndOfReturn < endOfReturn)) {
endOfReturn = nextEndOfReturn;
}
}
}
if (endOfReturn != -1) {
return endOfReturn;
}
// Label?
endOfReturn = StringUtils.indexOfIgnoreCase(startLookingAt, procedureDefn, ":", openingMarkers, closingMarkers,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
if (endOfReturn != -1) {
// seek back until whitespace
for (int i = endOfReturn; i > 0; i--) {
if (Character.isWhitespace(procedureDefn.charAt(i))) {
return i;
}
}
}
// We can't parse it.
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.5"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
/**
* Parses the cascade option string and returns the DBMD constant that
* represents it (for deletes)
*
* Please note that in MySQL, NO ACTION is the equivalent to RESTRICT.
*
* @param cascadeOptions
* the comment from 'SHOW TABLE STATUS'
* @return the DBMD constant that represents the cascade option
*/
private int getCascadeDeleteOption(String cascadeOptions) {
int onDeletePos = cascadeOptions.indexOf("ON DELETE");
if (onDeletePos != -1) {
String deleteOptions = cascadeOptions.substring(onDeletePos, cascadeOptions.length());
if (deleteOptions.startsWith("ON DELETE CASCADE")) {
return java.sql.DatabaseMetaData.importedKeyCascade;
} else if (deleteOptions.startsWith("ON DELETE SET NULL")) {
return java.sql.DatabaseMetaData.importedKeySetNull;
}
}
return java.sql.DatabaseMetaData.importedKeyRestrict;
}
/**
* Parses the cascade option string and returns the DBMD constant that
* represents it (for Updates).
*
* Please note that in MySQL, NO ACTION is the equivalent to RESTRICT.
*
* @param cascadeOptions
* the comment from 'SHOW TABLE STATUS'
* @return the DBMD constant that represents the cascade option
*/
private int getCascadeUpdateOption(String cascadeOptions) {
int onUpdatePos = cascadeOptions.indexOf("ON UPDATE");
if (onUpdatePos != -1) {
String updateOptions = cascadeOptions.substring(onUpdatePos, cascadeOptions.length());
if (updateOptions.startsWith("ON UPDATE CASCADE")) {
return java.sql.DatabaseMetaData.importedKeyCascade;
} else if (updateOptions.startsWith("ON UPDATE SET NULL")) {
return java.sql.DatabaseMetaData.importedKeySetNull;
}
}
return java.sql.DatabaseMetaData.importedKeyRestrict;
}
protected IteratorWithCleanup getDatabaseIterator(String dbSpec) throws SQLException {
if (dbSpec == null) {
return this.nullDatabaseMeansCurrent.getValue() ? new SingleStringIterator(this.database) : new StringListIterator(getDatabases());
}
return new SingleStringIterator(this.pedantic ? dbSpec : StringUtils.unQuoteIdentifier(dbSpec, this.quotedId));
}
protected IteratorWithCleanup getSchemaPatternIterator(String schemaPattern) throws SQLException {
if (schemaPattern == null) {
return this.nullDatabaseMeansCurrent.getValue() ? new SingleStringIterator(this.database) : new StringListIterator(getDatabases());
}
return new StringListIterator(getDatabases(schemaPattern)); //new SingleStringIterator(this.pedantic ? schemaPattern : StringUtils.unQuoteIdentifier(schemaPattern, this.quotedId));
}
/**
* Retrieves the database names available on this server. The results are ordered by database name.
*
* @return list of database names
* @throws SQLException
* if an error occurs
*/
protected List getDatabases() throws SQLException {
return getDatabases(null);
}
/**
* Retrieves the database names matching the dbPattern available on this server. The results are ordered by database name.
*
* @param dbPattern
* database name pattern
* @return list of database names
* @throws SQLException
* if an error occurs
*/
protected List getDatabases(String dbPattern) throws SQLException {
PreparedStatement pStmt = null;
java.sql.ResultSet results = null;
java.sql.Statement stmt = null;
try {
stmt = this.conn.getMetadataSafeStatement();
StringBuilder queryBuf = new StringBuilder("SHOW DATABASES");
if (dbPattern != null) {
queryBuf.append(" LIKE ?");
}
pStmt = prepareMetaDataSafeStatement(queryBuf.toString());
if (dbPattern != null) {
pStmt.setString(1, dbPattern);
}
results = pStmt.executeQuery();
int dbCount = 0;
if (results.last()) {
dbCount = results.getRow();
results.beforeFirst();
}
List resultsAsList = new ArrayList<>(dbCount);
while (results.next()) {
resultsAsList.add(results.getString(1));
}
Collections.sort(resultsAsList);
return resultsAsList;
} finally {
if (results != null) {
try {
results.close();
} catch (SQLException sqlEx) {
AssertionFailedException.shouldNotHappen(sqlEx);
}
results = null;
}
if (pStmt != null) {
try {
pStmt.close();
} catch (Exception ex) {
}
pStmt = null;
}
if (stmt != null) {
try {
stmt.close();
} catch (SQLException sqlEx) {
AssertionFailedException.shouldNotHappen(sqlEx);
}
stmt = null;
}
}
}
@Override
public java.sql.ResultSet getCatalogs() throws SQLException {
List resultsAsList = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? new ArrayList<>() : getDatabases();
Field[] fields = new Field[1];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
ArrayList tuples = new ArrayList<>(resultsAsList.size());
for (String cat : resultsAsList) {
byte[][] rowVal = new byte[1][];
rowVal[0] = s2b(cat);
tuples.add(new ByteArrayRow(rowVal, getExceptionInterceptor()));
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(tuples, new DefaultColumnDefinition(fields)));
}
@Override
public String getCatalogSeparator() throws SQLException {
return ".";
}
@Override
public String getCatalogTerm() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? "CATALOG" : "database";
}
protected String getDatabase(String catalog, String schema) {
if (this.databaseTerm.getValue() == DatabaseTerm.SCHEMA) {
return schema == null && this.nullDatabaseMeansCurrent.getValue() ? this.database : schema;
}
return catalog == null && this.nullDatabaseMeansCurrent.getValue() ? this.database : catalog;
}
protected Field[] getColumnPrivilegesFields() {
Field[] fields = new Field[8];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[1] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 1);
fields[2] = new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[3] = new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[4] = new Field("", "GRANTOR", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 77);
fields[5] = new Field("", "GRANTEE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 77);
fields[6] = new Field("", "PRIVILEGE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[7] = new Field("", "IS_GRANTABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 3);
return fields;
}
@Override
public java.sql.ResultSet getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern) throws SQLException {
String db = getDatabase(catalog, schema);
StringBuilder grantQueryBuf = new StringBuilder("SELECT c.host, c.db, t.grantor, c.user, c.table_name, c.column_name, c.column_priv");
grantQueryBuf.append(" FROM mysql.columns_priv c, mysql.tables_priv t");
grantQueryBuf.append(" WHERE c.host = t.host AND c.db = t.db AND c.table_name = t.table_name");
if (db != null) {
grantQueryBuf.append(" AND c.db = ?");
}
grantQueryBuf.append(" AND c.table_name = ?");
if (columnNamePattern != null) {
grantQueryBuf.append(" AND c.column_name LIKE ?");
}
PreparedStatement pStmt = null;
ResultSet results = null;
ArrayList grantRows = new ArrayList<>();
try {
pStmt = prepareMetaDataSafeStatement(grantQueryBuf.toString());
int nextId = 1;
if (db != null) {
pStmt.setString(nextId++, db);
}
pStmt.setString(nextId++, table);
if (columnNamePattern != null) {
pStmt.setString(nextId, columnNamePattern);
}
results = pStmt.executeQuery();
while (results.next()) {
String host = results.getString(1);
db = results.getString(2);
String grantor = results.getString(3);
String user = results.getString(4);
if ((user == null) || (user.length() == 0)) {
user = "%";
}
StringBuilder fullUser = new StringBuilder(user);
if ((host != null) && this.useHostsInPrivileges) {
fullUser.append("@");
fullUser.append(host);
}
String columnName = results.getString(6);
String allPrivileges = results.getString(7);
if (allPrivileges != null) {
allPrivileges = allPrivileges.toUpperCase(Locale.ENGLISH);
StringTokenizer st = new StringTokenizer(allPrivileges, ",");
while (st.hasMoreTokens()) {
String privilege = st.nextToken().trim();
byte[][] tuple = new byte[8][];
tuple[0] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b("def") : s2b(db);
tuple[1] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b(db) : null;
tuple[2] = s2b(table);
tuple[3] = s2b(columnName);
tuple[4] = grantor != null ? s2b(grantor) : null;
tuple[5] = s2b(fullUser.toString());
tuple[6] = s2b(privilege);
tuple[7] = null;
grantRows.add(new ByteArrayRow(tuple, getExceptionInterceptor()));
}
}
}
} finally {
if (results != null) {
try {
results.close();
} catch (Exception ex) {
}
results = null;
}
if (pStmt != null) {
try {
pStmt.close();
} catch (Exception ex) {
}
pStmt = null;
}
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(grantRows, new DefaultColumnDefinition(getColumnPrivilegesFields())));
}
@Override
public java.sql.ResultSet getColumns(final String catalog, final String schemaPattern, final String tableNamePattern, String columnNamePattern)
throws SQLException {
String db = getDatabase(catalog, schemaPattern);
final String colPattern = columnNamePattern;
Field[] fields = createColumnsFields();
final ArrayList rows = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
final boolean dbMapsToSchema = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
try {
new IterateBlock(dbMapsToSchema ? getSchemaPatternIterator(db) : getDatabaseIterator(db)) {
@Override
void forEach(String dbStr) throws SQLException {
ArrayList tableNameList = new ArrayList<>();
java.sql.ResultSet tables = null;
try {
tables = dbMapsToSchema ? getTables(null, dbStr, tableNamePattern, new String[0])
: getTables(dbStr, schemaPattern, tableNamePattern, new String[0]);
while (tables.next()) {
String tableNameFromList = tables.getString("TABLE_NAME");
tableNameList.add(tableNameFromList);
}
} finally {
if (tables != null) {
try {
tables.close();
} catch (Exception sqlEx) {
AssertionFailedException.shouldNotHappen(sqlEx);
}
tables = null;
}
}
for (String tableName : tableNameList) {
ResultSet results = null;
try {
StringBuilder queryBuf = new StringBuilder("SHOW FULL COLUMNS FROM ");
queryBuf.append(StringUtils.quoteIdentifier(tableName, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
queryBuf.append(" FROM ");
queryBuf.append(StringUtils.quoteIdentifier(dbStr, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
if (colPattern != null) {
queryBuf.append(" LIKE ");
queryBuf.append(StringUtils.quoteIdentifier(colPattern, "'", true));
}
// Return correct ordinals if column name pattern is not '%'
// Currently, MySQL doesn't show enough data to do this, so we do it the 'hard' way...Once _SYSTEM tables are in, this should be
// much easier
boolean fixUpOrdinalsRequired = false;
Map ordinalFixUpMap = null;
if (colPattern != null && !colPattern.equals("%")) {
fixUpOrdinalsRequired = true;
StringBuilder fullColumnQueryBuf = new StringBuilder("SHOW FULL COLUMNS FROM ");
fullColumnQueryBuf
.append(StringUtils.quoteIdentifier(tableName, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
fullColumnQueryBuf.append(" FROM ");
fullColumnQueryBuf.append(StringUtils.quoteIdentifier(dbStr, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
results = stmt.executeQuery(fullColumnQueryBuf.toString());
ordinalFixUpMap = new HashMap<>();
int fullOrdinalPos = 1;
while (results.next()) {
String fullOrdColName = results.getString("Field");
ordinalFixUpMap.put(fullOrdColName, Integer.valueOf(fullOrdinalPos++));
}
results.close();
}
results = stmt.executeQuery(queryBuf.toString());
int ordPos = 1;
while (results.next()) {
TypeDescriptor typeDesc = new TypeDescriptor(results.getString("Type"), results.getString("Null"));
byte[][] rowVal = new byte[24][];
rowVal[0] = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b("def") : s2b(dbStr); // TABLE_CAT
rowVal[1] = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b(dbStr) : null; // TABLE_SCHEM
rowVal[2] = s2b(tableName); // TABLE_NAME
rowVal[3] = results.getBytes("Field");
rowVal[4] = Short.toString((short) typeDesc.mysqlType.getJdbcType()).getBytes();// DATA_TYPE (jdbc)
rowVal[5] = s2b(typeDesc.mysqlType.getName()); // TYPE_NAME (native)
if (typeDesc.columnSize == null) { // COLUMN_SIZE
rowVal[6] = null;
} else {
String collation = results.getString("Collation");
int mbminlen = 1;
if (collation != null) {
// not null collation could only be returned by server for character types, so we don't need to check type name
if (collation.indexOf("ucs2") > -1 || collation.indexOf("utf16") > -1) {
mbminlen = 2;
} else if (collation.indexOf("utf32") > -1) {
mbminlen = 4;
}
}
rowVal[6] = mbminlen == 1 ? s2b(typeDesc.columnSize.toString())
: s2b(((Integer) (typeDesc.columnSize / mbminlen)).toString());
}
rowVal[7] = s2b(Integer.toString(typeDesc.bufferLength));
rowVal[8] = typeDesc.decimalDigits == null ? null : s2b(typeDesc.decimalDigits.toString());
rowVal[9] = s2b(Integer.toString(typeDesc.numPrecRadix));
rowVal[10] = s2b(Integer.toString(typeDesc.nullability));
//
// Doesn't always have this field, depending on version
//
try {
rowVal[11] = results.getBytes("Comment"); // REMARK column
} catch (Exception E) {
rowVal[11] = new byte[0]; // REMARK column
}
rowVal[12] = results.getBytes("Default"); // COLUMN_DEF
rowVal[13] = new byte[] { (byte) '0' }; // SQL_DATA_TYPE
rowVal[14] = new byte[] { (byte) '0' }; // SQL_DATE_TIME_SUB
if (StringUtils.indexOfIgnoreCase(typeDesc.mysqlType.getName(), "CHAR") != -1
|| StringUtils.indexOfIgnoreCase(typeDesc.mysqlType.getName(), "BLOB") != -1
|| StringUtils.indexOfIgnoreCase(typeDesc.mysqlType.getName(), "TEXT") != -1
|| StringUtils.indexOfIgnoreCase(typeDesc.mysqlType.getName(), "ENUM") != -1
|| StringUtils.indexOfIgnoreCase(typeDesc.mysqlType.getName(), "SET") != -1
|| StringUtils.indexOfIgnoreCase(typeDesc.mysqlType.getName(), "BINARY") != -1) {
rowVal[15] = rowVal[6]; // CHAR_OCTET_LENGTH
} else {
rowVal[15] = null;
}
// ORDINAL_POSITION
if (!fixUpOrdinalsRequired) {
rowVal[16] = Integer.toString(ordPos++).getBytes();
} else {
String origColName = results.getString("Field");
Integer realOrdinal = ordinalFixUpMap.get(origColName);
if (realOrdinal != null) {
rowVal[16] = realOrdinal.toString().getBytes();
} else {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.10"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR,
getExceptionInterceptor());
}
}
rowVal[17] = s2b(typeDesc.isNullable);
// We don't support REF or DISTINCT types
rowVal[18] = null;
rowVal[19] = null;
rowVal[20] = null;
rowVal[21] = null;
rowVal[22] = s2b("");
String extra = results.getString("Extra");
if (extra != null) {
rowVal[22] = s2b(StringUtils.indexOfIgnoreCase(extra, "auto_increment") != -1 ? "YES" : "NO");
rowVal[23] = s2b(StringUtils.indexOfIgnoreCase(extra, "generated") != -1 ? "YES" : "NO");
}
rows.add(new ByteArrayRow(rowVal, getExceptionInterceptor()));
}
} finally {
if (results != null) {
try {
results.close();
} catch (Exception ex) {
}
results = null;
}
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
java.sql.ResultSet results = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(fields)));
return results;
}
protected Field[] createColumnsFields() {
Field[] fields = new Field[24];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[1] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[2] = new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[3] = new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[4] = new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 5);
fields[5] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 16); // TODO why is it 16 bytes long? we have longer types specifications
fields[6] = new Field("", "COLUMN_SIZE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT,
Integer.toString(Integer.MAX_VALUE).length());
fields[7] = new Field("", "BUFFER_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[8] = new Field("", "DECIMAL_DIGITS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[9] = new Field("", "NUM_PREC_RADIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[10] = new Field("", "NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[11] = new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[12] = new Field("", "COLUMN_DEF", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[13] = new Field("", "SQL_DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[14] = new Field("", "SQL_DATETIME_SUB", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[15] = new Field("", "CHAR_OCTET_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT,
Integer.toString(Integer.MAX_VALUE).length());
fields[16] = new Field("", "ORDINAL_POSITION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[17] = new Field("", "IS_NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 3);
fields[18] = new Field("", "SCOPE_CATALOG", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[19] = new Field("", "SCOPE_SCHEMA", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[20] = new Field("", "SCOPE_TABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[21] = new Field("", "SOURCE_DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 10);
fields[22] = new Field("", "IS_AUTOINCREMENT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 3);
fields[23] = new Field("", "IS_GENERATEDCOLUMN", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 3);
return fields;
}
@Override
public java.sql.Connection getConnection() throws SQLException {
return this.conn;
}
@Override
public java.sql.ResultSet getCrossReference(final String primaryCatalog, final String primarySchema, final String primaryTable, final String foreignCatalog,
final String foreignSchema, final String foreignTable) throws SQLException {
if (primaryTable == null) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.2"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
// String primaryDb = getDatabase(primaryCatalog, primarySchema); // TODO not needed?
String foreignDb = getDatabase(foreignCatalog, foreignSchema);
Field[] fields = createFkMetadataFields();
final ArrayList tuples = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
final boolean dbMapsToSchema = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
try {
new IterateBlock(getDatabaseIterator(foreignDb)) {
@Override
void forEach(String dbStr) throws SQLException {
ResultSet fkresults = null;
try {
/*
* Get foreign key information for table
*/
fkresults = extractForeignKeyFromCreateTable(dbStr, null);
String foreignTableWithCase = getTableNameWithCase(foreignTable);
String primaryTableWithCase = getTableNameWithCase(primaryTable);
/*
* Parse imported foreign key information
*/
String dummy;
while (fkresults.next()) {
String tableType = fkresults.getString("Type");
if ((tableType != null) && (tableType.equalsIgnoreCase("innodb") || tableType.equalsIgnoreCase(SUPPORTS_FK))) {
String comment = fkresults.getString("Comment").trim();
if (comment != null) {
StringTokenizer commentTokens = new StringTokenizer(comment, ";", false);
if (commentTokens.hasMoreTokens()) {
dummy = commentTokens.nextToken();
// Skip InnoDB comment
}
while (commentTokens.hasMoreTokens()) {
String keys = commentTokens.nextToken();
LocalAndReferencedColumns parsedInfo = parseTableStatusIntoLocalAndReferencedColumns(keys);
int keySeq = 1;
Iterator referencingColumns = parsedInfo.localColumnsList.iterator();
Iterator referencedColumns = parsedInfo.referencedColumnsList.iterator();
while (referencingColumns.hasNext()) {
String referencingColumn = StringUtils.unQuoteIdentifier(referencingColumns.next(), DatabaseMetaData.this.quotedId);
dummy = fkresults.getString("Name");
if (dummy.compareTo(foreignTableWithCase) != 0) {
continue;
}
// Skip foreign key if it doesn't refer to the right table
if (parsedInfo.referencedTable.compareTo(primaryTableWithCase) != 0) {
continue;
}
// one tuple for each table between parenthesis
byte[][] tuple = new byte[14][];
tuple[0] = dbMapsToSchema ? s2b("def") : s2b(parsedInfo.referencedDatabase); // PKTABLE_CAT
tuple[1] = dbMapsToSchema ? s2b(parsedInfo.referencedDatabase) : null; // PKTABLE_SCHEM
tuple[2] = s2b(parsedInfo.referencedTable); // PKTABLE_NAME
tuple[3] = s2b(StringUtils.unQuoteIdentifier(referencedColumns.next(), DatabaseMetaData.this.quotedId)); // PKCOLUMN_NAME
tuple[4] = dbMapsToSchema ? s2b("def") : s2b(dbStr); // FKTABLE_CAT
tuple[5] = dbMapsToSchema ? s2b(dbStr) : null; // FKTABLE_SCHEM
tuple[6] = s2b(dummy); // FKTABLE_NAME
tuple[7] = s2b(referencingColumn); // FKCOLUMN_NAME
tuple[8] = Integer.toString(keySeq).getBytes(); // KEY_SEQ
int[] actions = getForeignKeyActions(keys);
tuple[9] = Integer.toString(actions[1]).getBytes(); // UPDATE_RULE
tuple[10] = Integer.toString(actions[0]).getBytes(); // DELETE_RULE
tuple[11] = s2b(parsedInfo.constraintName); // FK_NAME
tuple[12] = null; // PK_NAME
tuple[13] = Integer.toString(java.sql.DatabaseMetaData.importedKeyNotDeferrable).getBytes(); // DEFERRABILITY
tuples.add(new ByteArrayRow(tuple, getExceptionInterceptor()));
keySeq++;
}
}
}
}
}
} finally {
if (fkresults != null) {
try {
fkresults.close();
} catch (Exception sqlEx) {
AssertionFailedException.shouldNotHappen(sqlEx);
}
fkresults = null;
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
java.sql.ResultSet results = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(tuples, new DefaultColumnDefinition(fields)));
return results;
}
protected Field[] createFkMetadataFields() {
Field[] fields = new Field[14];
fields[0] = new Field("", "PKTABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[1] = new Field("", "PKTABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[2] = new Field("", "PKTABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[3] = new Field("", "PKCOLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[4] = new Field("", "FKTABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[5] = new Field("", "FKTABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[6] = new Field("", "FKTABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[7] = new Field("", "FKCOLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[8] = new Field("", "KEY_SEQ", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 2);
fields[9] = new Field("", "UPDATE_RULE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 2);
fields[10] = new Field("", "DELETE_RULE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 2);
fields[11] = new Field("", "FK_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[12] = new Field("", "PK_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[13] = new Field("", "DEFERRABILITY", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 2);
return fields;
}
@Override
public int getDatabaseMajorVersion() throws SQLException {
return this.conn.getServerVersion().getMajor();
}
@Override
public int getDatabaseMinorVersion() throws SQLException {
return this.conn.getServerVersion().getMinor();
}
@Override
public String getDatabaseProductName() throws SQLException {
return "MySQL";
}
@Override
public String getDatabaseProductVersion() throws SQLException {
return this.conn.getServerVersion().toString();
}
@Override
public int getDefaultTransactionIsolation() throws SQLException {
return java.sql.Connection.TRANSACTION_READ_COMMITTED;
}
@Override
public int getDriverMajorVersion() {
return NonRegisteringDriver.getMajorVersionInternal();
}
@Override
public int getDriverMinorVersion() {
return NonRegisteringDriver.getMinorVersionInternal();
}
@Override
public String getDriverName() throws SQLException {
return Constants.CJ_NAME;
}
@Override
public String getDriverVersion() throws java.sql.SQLException {
return Constants.CJ_FULL_NAME + " (Revision: " + Constants.CJ_REVISION + ")";
}
@Override
public java.sql.ResultSet getExportedKeys(String catalog, String schema, final String table) throws SQLException {
if (table == null) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.2"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
Field[] fields = createFkMetadataFields();
final ArrayList rows = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
String db = getDatabase(catalog, schema);
try {
new IterateBlock(getDatabaseIterator(db)) {
@Override
void forEach(String dbStr) throws SQLException {
ResultSet fkresults = null;
try {
/*
* Get foreign key information for table
*/
// we can use 'SHOW CREATE TABLE'
fkresults = extractForeignKeyFromCreateTable(dbStr, null);
// lower-case table name might be turned on
String tableNameWithCase = getTableNameWithCase(table);
/*
* Parse imported foreign key information
*/
while (fkresults.next()) {
String tableType = fkresults.getString("Type");
if ((tableType != null) && (tableType.equalsIgnoreCase("innodb") || tableType.equalsIgnoreCase(SUPPORTS_FK))) {
String comment = fkresults.getString("Comment").trim();
if (comment != null) {
StringTokenizer commentTokens = new StringTokenizer(comment, ";", false);
if (commentTokens.hasMoreTokens()) {
commentTokens.nextToken(); // Skip InnoDB comment
while (commentTokens.hasMoreTokens()) {
String keysComment = commentTokens.nextToken();
populateKeyResults(dbStr, tableNameWithCase, keysComment, rows, fkresults.getString("Name"), true);
}
}
}
}
}
} finally {
if (fkresults != null) {
try {
fkresults.close();
} catch (SQLException sqlEx) {
AssertionFailedException.shouldNotHappen(sqlEx);
}
fkresults = null;
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
java.sql.ResultSet results = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(fields)));
return results;
}
@Override
public String getExtraNameCharacters() throws SQLException {
return "#@";
}
/**
* Returns the DELETE and UPDATE foreign key actions from the given 'SHOW
* TABLE STATUS' string, with the DELETE action being the first item in the
* array, and the UPDATE action being the second.
*
* @param commentString
* the comment from 'SHOW TABLE STATUS'
* @return int[] [0] = delete action, [1] = update action
*/
protected int[] getForeignKeyActions(String commentString) {
int[] actions = new int[] { java.sql.DatabaseMetaData.importedKeyRestrict, java.sql.DatabaseMetaData.importedKeyRestrict };
int lastParenIndex = commentString.lastIndexOf(")");
if (lastParenIndex != (commentString.length() - 1)) {
String cascadeOptions = commentString.substring(lastParenIndex + 1).trim().toUpperCase(Locale.ENGLISH);
actions[0] = getCascadeDeleteOption(cascadeOptions);
actions[1] = getCascadeUpdateOption(cascadeOptions);
}
return actions;
}
@Override
public String getIdentifierQuoteString() throws SQLException {
// NOTE: A JDBC compliant driver always uses a double quote character.
return this.session.getIdentifierQuoteString();
}
@Override
public java.sql.ResultSet getImportedKeys(String catalog, String schema, final String table) throws SQLException {
if (table == null) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.2"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
Field[] fields = createFkMetadataFields();
final ArrayList rows = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
String db = getDatabase(catalog, schema);
try {
new IterateBlock(getDatabaseIterator(db)) {
@Override
void forEach(String dbStr) throws SQLException {
ResultSet fkresults = null;
try {
/*
* Get foreign key information for table
*/
// we can use 'SHOW CREATE TABLE'
fkresults = extractForeignKeyFromCreateTable(dbStr, table);
/*
* Parse imported foreign key information
*/
while (fkresults.next()) {
String tableType = fkresults.getString("Type");
if ((tableType != null) && (tableType.equalsIgnoreCase("innodb") || tableType.equalsIgnoreCase(SUPPORTS_FK))) {
String comment = fkresults.getString("Comment").trim();
if (comment != null) {
StringTokenizer commentTokens = new StringTokenizer(comment, ";", false);
if (commentTokens.hasMoreTokens()) {
commentTokens.nextToken(); // Skip InnoDB comment
while (commentTokens.hasMoreTokens()) {
String keysComment = commentTokens.nextToken();
populateKeyResults(dbStr, table, keysComment, rows, null, false);
}
}
}
}
}
} finally {
if (fkresults != null) {
try {
fkresults.close();
} catch (SQLException sqlEx) {
AssertionFailedException.shouldNotHappen(sqlEx);
}
fkresults = null;
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
java.sql.ResultSet results = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(fields)));
return results;
}
@Override
public java.sql.ResultSet getIndexInfo(String catalog, String schema, final String table, final boolean unique, boolean approximate) throws SQLException {
/*
* MySQL stores index information in the following fields: Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part
*/
Field[] fields = createIndexInfoFields();
final SortedMap sortedRows = new TreeMap<>();
final ArrayList rows = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
String db = getDatabase(catalog, schema);
final boolean dbMapsToSchema = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
try {
new IterateBlock(getDatabaseIterator(db)) {
@Override
void forEach(String dbStr) throws SQLException {
ResultSet results = null;
try {
StringBuilder queryBuf = new StringBuilder("SHOW INDEX FROM ");
queryBuf.append(StringUtils.quoteIdentifier(table, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
queryBuf.append(" FROM ");
queryBuf.append(StringUtils.quoteIdentifier(dbStr, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
try {
results = stmt.executeQuery(queryBuf.toString());
} catch (SQLException sqlEx) {
String sqlState = sqlEx.getSQLState(); // If SQLState is 42S02, ignore this SQLException it means the table doesn't exist....
int errorCode = sqlEx.getErrorCode(); // Sometimes SQLState is not mapped correctly for pre-4.1 so use error code instead.
if (!"42S02".equals(sqlState) && errorCode != MysqlErrorNumbers.ER_NO_SUCH_TABLE
&& errorCode != MysqlErrorNumbers.ER_BAD_DB_ERROR) {
throw sqlEx;
}
}
while (results != null && results.next()) {
byte[][] row = new byte[14][];
row[0] = dbMapsToSchema ? s2b("def") : s2b(dbStr); // TABLE_CAT
row[1] = dbMapsToSchema ? s2b(dbStr) : null; // TABLE_SCHEM
row[2] = results.getBytes("Table"); // TABLE_NAME
boolean indexIsUnique = results.getInt("Non_unique") == 0;
row[3] = !indexIsUnique ? s2b("true") : s2b("false"); // NON_UNIQUE
row[4] = null; // INDEX_QUALIFIER
row[5] = results.getBytes("Key_name"); // INDEX_NAME
short indexType = java.sql.DatabaseMetaData.tableIndexOther;
row[6] = Integer.toString(indexType).getBytes(); // TYPE
row[7] = results.getBytes("Seq_in_index"); // ORDINAL_POSITION
row[8] = results.getBytes("Column_name"); // COLUMN_NAME
row[9] = results.getBytes("Collation"); // ASC_OR_DESC
long cardinality = results.getLong("Cardinality");
row[10] = s2b(String.valueOf(cardinality)); // CARDINALITY
row[11] = s2b("0"); // PAGES
row[12] = null; // FILTER_CONDITION
IndexMetaDataKey indexInfoKey = new IndexMetaDataKey(!indexIsUnique, indexType, results.getString("Key_name").toLowerCase(),
results.getShort("Seq_in_index"));
if (unique) {
if (indexIsUnique) {
sortedRows.put(indexInfoKey, new ByteArrayRow(row, getExceptionInterceptor()));
}
} else {
// All rows match
sortedRows.put(indexInfoKey, new ByteArrayRow(row, getExceptionInterceptor()));
}
}
} finally {
if (results != null) {
try {
results.close();
} catch (Exception ex) {
}
results = null;
}
}
}
}.doForAll();
Iterator sortedRowsIterator = sortedRows.values().iterator();
while (sortedRowsIterator.hasNext()) {
rows.add(sortedRowsIterator.next());
}
java.sql.ResultSet indexInfo = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(fields)));
return indexInfo;
} finally {
if (stmt != null) {
stmt.close();
}
}
}
protected Field[] createIndexInfoFields() {
Field[] fields = new Field[13];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[1] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[2] = new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[3] = new Field("", "NON_UNIQUE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.BOOLEAN, 4);
fields[4] = new Field("", "INDEX_QUALIFIER", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 1);
fields[5] = new Field("", "INDEX_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[6] = new Field("", "TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 32);
fields[7] = new Field("", "ORDINAL_POSITION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
fields[8] = new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[9] = new Field("", "ASC_OR_DESC", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 1);
fields[10] = new Field("", "CARDINALITY", this.metadataCollationIndex, this.metadataEncoding, MysqlType.BIGINT, 20);
fields[11] = new Field("", "PAGES", this.metadataCollationIndex, this.metadataEncoding, MysqlType.BIGINT, 20);
fields[12] = new Field("", "FILTER_CONDITION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
return fields;
}
@Override
public int getJDBCMajorVersion() throws SQLException {
return 4;
}
@Override
public int getJDBCMinorVersion() throws SQLException {
return 2;
}
@Override
public int getMaxBinaryLiteralLength() throws SQLException {
return 16777208;
}
@Override
public int getMaxCatalogNameLength() throws SQLException {
return 32;
}
@Override
public int getMaxCharLiteralLength() throws SQLException {
return 16777208;
}
@Override
public int getMaxColumnNameLength() throws SQLException {
return 64;
}
@Override
public int getMaxColumnsInGroupBy() throws SQLException {
return 64;
}
@Override
public int getMaxColumnsInIndex() throws SQLException {
return 16;
}
@Override
public int getMaxColumnsInOrderBy() throws SQLException {
return 64;
}
@Override
public int getMaxColumnsInSelect() throws SQLException {
return 256;
}
@Override
public int getMaxColumnsInTable() throws SQLException {
return 512;
}
@Override
public int getMaxConnections() throws SQLException {
return 0;
}
@Override
public int getMaxCursorNameLength() throws SQLException {
return 64;
}
@Override
public int getMaxIndexLength() throws SQLException {
return 256;
}
@Override
public int getMaxProcedureNameLength() throws SQLException {
return 0;
}
@Override
public int getMaxRowSize() throws SQLException {
return Integer.MAX_VALUE - 8; // Max buffer size - HEADER
}
@Override
public int getMaxSchemaNameLength() throws SQLException {
return 0;
}
@Override
public int getMaxStatementLength() throws SQLException {
return maxBufferSize - 4; // Max buffer - header
}
@Override
public int getMaxStatements() throws SQLException {
return 0;
}
@Override
public int getMaxTableNameLength() throws SQLException {
return 64;
}
@Override
public int getMaxTablesInSelect() throws SQLException {
return 256;
}
@Override
public int getMaxUserNameLength() throws SQLException {
return 16;
}
@Override
public String getNumericFunctions() throws SQLException {
return "ABS,ACOS,ASIN,ATAN,ATAN2,BIT_COUNT,CEILING,COS,COT,DEGREES,EXP,FLOOR,LOG,LOG10,MAX,MIN,MOD,PI,POW,"
+ "POWER,RADIANS,RAND,ROUND,SIN,SQRT,TAN,TRUNCATE";
}
protected Field[] getPrimaryKeysFields() {
Field[] fields = new Field[6];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[1] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[2] = new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[3] = new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[4] = new Field("", "KEY_SEQ", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
fields[5] = new Field("", "PK_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
return fields;
}
@Override
public java.sql.ResultSet getPrimaryKeys(String catalog, String schema, final String table) throws SQLException {
if (table == null) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.2"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
String db = getDatabase(catalog, schema);
final boolean dbMapsToSchema = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
final ArrayList rows = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
try {
new IterateBlock(getDatabaseIterator(db)) {
@Override
void forEach(String dbStr) throws SQLException {
ResultSet rs = null;
try {
StringBuilder queryBuf = new StringBuilder("SHOW KEYS FROM ");
queryBuf.append(StringUtils.quoteIdentifier(table, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
queryBuf.append(" FROM ");
queryBuf.append(StringUtils.quoteIdentifier(dbStr, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
try {
rs = stmt.executeQuery(queryBuf.toString());
} catch (SQLException sqlEx) {
String sqlState = sqlEx.getSQLState(); // If SQLState is 42S02, ignore this SQLException it means the table doesn't exist....
int errorCode = sqlEx.getErrorCode(); // Sometimes SQLState is not mapped correctly for pre-4.1 so use error code instead.
if (!"42S02".equals(sqlState) && errorCode != MysqlErrorNumbers.ER_NO_SUCH_TABLE
&& errorCode != MysqlErrorNumbers.ER_BAD_DB_ERROR) {
throw sqlEx;
}
}
TreeMap sortMap = new TreeMap<>();
while (rs != null && rs.next()) {
String keyType = rs.getString("Key_name");
if (keyType != null) {
if (keyType.equalsIgnoreCase("PRIMARY") || keyType.equalsIgnoreCase("PRI")) {
byte[][] tuple = new byte[6][];
tuple[0] = dbMapsToSchema ? s2b("def") : s2b(dbStr);// TABLE_CAT
tuple[1] = dbMapsToSchema ? s2b(dbStr) : null; // TABLE_SCHEM
tuple[2] = s2b(table); // TABLE_NAME
String columnName = rs.getString("Column_name");
tuple[3] = s2b(columnName); // COLUMN_NAME
tuple[4] = s2b(rs.getString("Seq_in_index")); // KEY_SEQ
tuple[5] = s2b(keyType); // PK_NAME
sortMap.put(columnName, tuple);
}
}
}
// Now pull out in column name sorted order
Iterator sortedIterator = sortMap.values().iterator();
while (sortedIterator.hasNext()) {
rows.add(new ByteArrayRow(sortedIterator.next(), getExceptionInterceptor()));
}
} finally {
if (rs != null) {
try {
rs.close();
} catch (Exception ex) {
}
rs = null;
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
java.sql.ResultSet results = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(getPrimaryKeysFields())));
return results;
}
@Override
public java.sql.ResultSet getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern, String columnNamePattern)
throws SQLException {
return getProcedureOrFunctionColumns(createProcedureColumnsFields(), catalog, schemaPattern, procedureNamePattern, columnNamePattern, true,
this.conn.getPropertySet().getBooleanProperty(PropertyKey.getProceduresReturnsFunctions).getValue());
}
protected Field[] createProcedureColumnsFields() {
Field[] fields = new Field[20];
fields[0] = new Field("", "PROCEDURE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
fields[1] = new Field("", "PROCEDURE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
fields[2] = new Field("", "PROCEDURE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
fields[3] = new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
fields[4] = new Field("", "COLUMN_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[5] = new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6);
fields[6] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[7] = new Field("", "PRECISION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12);
fields[8] = new Field("", "LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12);
fields[9] = new Field("", "SCALE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 12);
fields[10] = new Field("", "RADIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6);
fields[11] = new Field("", "NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6);
fields[12] = new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
fields[13] = new Field("", "COLUMN_DEF", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
fields[14] = new Field("", "SQL_DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12);
fields[15] = new Field("", "SQL_DATETIME_SUB", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12);
fields[16] = new Field("", "CHAR_OCTET_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12);
fields[17] = new Field("", "ORDINAL_POSITION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12);
fields[18] = new Field("", "IS_NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
fields[19] = new Field("", "SPECIFIC_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 512);
return fields;
}
protected java.sql.ResultSet getProcedureOrFunctionColumns(Field[] fields, String catalog, String schemaPattern, String procedureOrFunctionNamePattern,
String columnNamePattern, boolean returnProcedures, boolean returnFunctions) throws SQLException {
String db = getDatabase(catalog, schemaPattern);
final boolean dbMapsToSchema = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
List> procsOrFuncsToExtractList = new ArrayList<>();
//Main container to be passed to getProceduresAndOrFunctions
ResultSet procsAndOrFuncsRs = null;
try {
//getProceduresAndOrFunctions does NOT expect procedureOrFunctionNamePattern in form of DB_NAME.SP_NAME thus we need to remove it
String tmpProcedureOrFunctionNamePattern = null;
//Check if NOT a pattern first, then "sanitize"
if ((procedureOrFunctionNamePattern != null) && (!procedureOrFunctionNamePattern.equals("%"))) {
tmpProcedureOrFunctionNamePattern = StringUtils.sanitizeProcOrFuncName(procedureOrFunctionNamePattern);
}
//Sanity check, if NamePattern is still NULL, we have a wildcard and not the name
if (tmpProcedureOrFunctionNamePattern == null) {
tmpProcedureOrFunctionNamePattern = procedureOrFunctionNamePattern;
} else {
//So we have a name to check meaning more actual processing
//Keep the Catalog parsed, maybe we'll need it at some point in the future...
String tmpDb = db;
List parseList = StringUtils.splitDBdotName(tmpProcedureOrFunctionNamePattern, tmpDb, this.quotedId,
this.session.getServerSession().isNoBackslashEscapesSet());
//There *should* be 2 rows, if any.
if (parseList.size() == 2) {
tmpDb = parseList.get(0);
tmpProcedureOrFunctionNamePattern = parseList.get(1);
} else {
//keep values as they are
}
}
procsAndOrFuncsRs = getProceduresAndOrFunctions(createFieldMetadataForGetProcedures(), catalog, schemaPattern, tmpProcedureOrFunctionNamePattern,
returnProcedures, returnFunctions);
boolean hasResults = false;
while (procsAndOrFuncsRs.next()) {
procsOrFuncsToExtractList.add(new ComparableWrapper<>(
StringUtils.getFullyQualifiedName(dbMapsToSchema ? procsAndOrFuncsRs.getString(2) : procsAndOrFuncsRs.getString(1),
procsAndOrFuncsRs.getString(3), this.quotedId, this.pedantic),
procsAndOrFuncsRs.getShort(8) == procedureNoResult ? PROCEDURE : FUNCTION));
hasResults = true;
}
// FIX for Bug#56305, allowing the code to proceed with empty fields causing NPE later
if (!hasResults) {
// throw SQLError.createSQLException(
// "User does not have access to metadata required to determine " +
// "stored procedure parameter types. If rights can not be granted, configure connection with \"noAccessToProcedureBodies=true\" " +
// "to have driver generate parameters that represent INOUT strings irregardless of actual parameter types.",
// MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
} else {
Collections.sort(procsOrFuncsToExtractList);
}
// Required to be sorted in name-order by JDBC spec, in 'normal' case getProcedures takes care of this for us, but if system tables are
// inaccessible, we need to sort... so just do this to be safe...
// Collections.sort(proceduresToExtractList);
} finally {
SQLException rethrowSqlEx = null;
if (procsAndOrFuncsRs != null) {
try {
procsAndOrFuncsRs.close();
} catch (SQLException sqlEx) {
rethrowSqlEx = sqlEx;
}
}
if (rethrowSqlEx != null) {
throw rethrowSqlEx;
}
}
ArrayList resultRows = new ArrayList<>();
int idx = 0;
String procNameToCall = "";
for (ComparableWrapper procOrFunc : procsOrFuncsToExtractList) {
String procName = procOrFunc.getKey();
ProcedureType procType = procOrFunc.getValue();
//Continuing from above (database_name.sp_name)
if (!" ".equals(this.quotedId)) {
idx = StringUtils.indexOfIgnoreCase(0, procName, ".", this.quotedId, this.quotedId,
this.session.getServerSession().isNoBackslashEscapesSet() ? StringUtils.SEARCH_MODE__MRK_COM_WS : StringUtils.SEARCH_MODE__ALL);
} else {
idx = procName.indexOf(".");
}
if (idx > 0) {
db = StringUtils.unQuoteIdentifier(procName.substring(0, idx), this.quotedId);
procNameToCall = procName; // Leave as CAT.PROC, needed later
} else {
//No catalog. Not sure how to handle right now...
procNameToCall = procName;
}
getCallStmtParameterTypes(db, procNameToCall, procType, columnNamePattern, resultRows, fields.length == 17 /* for getFunctionColumns */);
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(resultRows, new DefaultColumnDefinition(fields)));
}
@Override
public java.sql.ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern) throws SQLException {
return getProceduresAndOrFunctions(createFieldMetadataForGetProcedures(), catalog, schemaPattern, procedureNamePattern, true,
this.conn.getPropertySet().getBooleanProperty(PropertyKey.getProceduresReturnsFunctions).getValue());
}
protected Field[] createFieldMetadataForGetProcedures() {
Field[] fields = new Field[9];
fields[0] = new Field("", "PROCEDURE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[1] = new Field("", "PROCEDURE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[2] = new Field("", "PROCEDURE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[3] = new Field("", "reserved1", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[4] = new Field("", "reserved2", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[5] = new Field("", "reserved3", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[6] = new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[7] = new Field("", "PROCEDURE_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6);
fields[8] = new Field("", "SPECIFIC_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
return fields;
}
/**
* @param fields
* fields
* @param catalog
* catalog
* @param schemaPattern
* schema pattern
* @param procedureNamePattern
* procedure name pattern
* @param returnProcedures
* true if procedures should be included into result
* @param returnFunctions
* true if functions should be included into result
* @return result set
* @throws SQLException
* if a database access error occurs
*/
protected java.sql.ResultSet getProceduresAndOrFunctions(final Field[] fields, String catalog, String schemaPattern, final String procedureNamePattern,
final boolean returnProcedures, final boolean returnFunctions) throws SQLException {
final ArrayList procedureRows = new ArrayList<>();
String db = getDatabase(catalog, schemaPattern);
final boolean dbMapsToSchema = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
final List> procedureRowsToSort = new ArrayList<>();
new IterateBlock(dbMapsToSchema ? getSchemaPatternIterator(db) : getDatabaseIterator(db)) {
@Override
void forEach(String dbPattern) throws SQLException {
ResultSet proceduresRs = null;
StringBuilder selectFromMySQLProcSQL = new StringBuilder();
selectFromMySQLProcSQL.append("SELECT db, name, type, comment FROM mysql.proc WHERE");
if (returnProcedures && !returnFunctions) {
selectFromMySQLProcSQL.append(" type = 'PROCEDURE' AND ");
} else if (!returnProcedures && returnFunctions) {
selectFromMySQLProcSQL.append(" type = 'FUNCTION' AND ");
}
selectFromMySQLProcSQL.append(dbMapsToSchema ? " db LIKE ?" : " db = ?");
if (procedureNamePattern != null && procedureNamePattern.length() > 0) {
selectFromMySQLProcSQL.append(" AND name LIKE ?");
}
selectFromMySQLProcSQL.append(" ORDER BY name, type");
java.sql.PreparedStatement proceduresStmt = prepareMetaDataSafeStatement(selectFromMySQLProcSQL.toString());
try {
/* Try using system tables first, as this is a little bit more efficient.... */
if (DatabaseMetaData.this.conn.lowerCaseTableNames()) {
dbPattern = dbPattern.toLowerCase();
}
proceduresStmt.setString(1, dbPattern);
if (procedureNamePattern != null && procedureNamePattern.length() > 0) {
proceduresStmt.setString(2, procedureNamePattern);
}
try {
proceduresRs = proceduresStmt.executeQuery();
if (returnProcedures) {
convertToJdbcProcedureList(true, proceduresRs, procedureRowsToSort);
}
if (returnFunctions) {
convertToJdbcFunctionList(proceduresRs, procedureRowsToSort, fields);
}
} catch (SQLException sqlEx) {
// The mysql.proc table didn't exist in early MySQL versions and it's removed in MySQL 8.0,
// so use 'SHOW [FUNCTION|PROCEDURE] STATUS instead.
// Functions first:
if (returnFunctions) {
proceduresStmt.close();
String sql = "SHOW FUNCTION STATUS WHERE " + (dbMapsToSchema ? "Db LIKE ?" : "Db = ?");
if (procedureNamePattern != null && procedureNamePattern.length() > 0) {
sql += " AND Name LIKE ?";
}
proceduresStmt = prepareMetaDataSafeStatement(sql);
proceduresStmt.setString(1, dbPattern);
if (procedureNamePattern != null && procedureNamePattern.length() > 0) {
proceduresStmt.setString(2, procedureNamePattern);
}
proceduresRs = proceduresStmt.executeQuery();
convertToJdbcFunctionList(proceduresRs, procedureRowsToSort, fields);
}
// Procedures next:
if (returnProcedures) {
proceduresStmt.close();
String sql = "SHOW PROCEDURE STATUS WHERE " + (dbMapsToSchema ? "Db LIKE ?" : "Db = ?");
if (procedureNamePattern != null && procedureNamePattern.length() > 0) {
sql += " AND Name LIKE ?";
}
proceduresStmt = prepareMetaDataSafeStatement(sql);
proceduresStmt.setString(1, dbPattern);
if (procedureNamePattern != null && procedureNamePattern.length() > 0) {
proceduresStmt.setString(2, procedureNamePattern);
}
proceduresRs = proceduresStmt.executeQuery();
convertToJdbcProcedureList(false, proceduresRs, procedureRowsToSort);
}
}
} finally {
SQLException rethrowSqlEx = null;
if (proceduresRs != null) {
try {
proceduresRs.close();
} catch (SQLException sqlEx) {
rethrowSqlEx = sqlEx;
}
}
if (proceduresStmt != null) {
try {
proceduresStmt.close();
} catch (SQLException sqlEx) {
rethrowSqlEx = sqlEx;
}
}
if (rethrowSqlEx != null) {
throw rethrowSqlEx;
}
}
}
}.doForAll();
Collections.sort(procedureRowsToSort);
for (ComparableWrapper procRow : procedureRowsToSort) {
procedureRows.add(procRow.getValue());
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(procedureRows, new DefaultColumnDefinition(fields)));
}
@Override
public String getProcedureTerm() throws SQLException {
return "PROCEDURE";
}
@Override
public int getResultSetHoldability() throws SQLException {
return ResultSet.HOLD_CURSORS_OVER_COMMIT;
}
/**
* Populates the resultRows list with the imported or exported keys of given table
* based on the keysComment from the 'show table status' sql command.
* KeysComment is that part of the comment field that follows the "InnoDB free ...;" prefix.
*
* @param db
* the database to use
* @param table
* the table keys are being exported from or imported to
* @param keysComment
* the comment from 'show table status'
* @param resultRows
* the rows to add results to
* @param fkTableName
* the foreign key table name
* @param isExport
* export or import keys
* @throws SQLException
* if an error occurs
*/
void populateKeyResults(String db, String table, String keysComment, List resultRows, String fkTableName, boolean isExport) throws SQLException {
LocalAndReferencedColumns parsedInfo = parseTableStatusIntoLocalAndReferencedColumns(keysComment);
if (isExport && !parsedInfo.referencedTable.equals(table)) {
return;
}
if (parsedInfo.localColumnsList.size() != parsedInfo.referencedColumnsList.size()) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.12"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
Iterator localColumnNames = parsedInfo.localColumnsList.iterator();
Iterator referColumnNames = parsedInfo.referencedColumnsList.iterator();
int keySeqIndex = 1;
final boolean dbMapsToSchema = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
while (localColumnNames.hasNext()) {
byte[][] tuple = new byte[14][];
String lColumnName = StringUtils.unQuoteIdentifier(localColumnNames.next(), this.quotedId);
String rColumnName = StringUtils.unQuoteIdentifier(referColumnNames.next(), this.quotedId);
tuple[0] = dbMapsToSchema ? s2b("def") : s2b(parsedInfo.referencedDatabase); // PKTABLE_CAT
tuple[1] = dbMapsToSchema ? s2b(parsedInfo.referencedDatabase) : null; // PKTABLE_SCHEM
tuple[2] = s2b((isExport) ? table : parsedInfo.referencedTable); // PKTABLE_NAME
tuple[3] = s2b(rColumnName); // PKCOLUMN_NAME
tuple[4] = dbMapsToSchema ? s2b("def") : s2b(db); // FKTABLE_CAT
tuple[5] = dbMapsToSchema ? s2b(db) : null; // FKTABLE_SCHEM
tuple[6] = s2b((isExport) ? fkTableName : table); // FKTABLE_NAME
tuple[7] = s2b(lColumnName); // FKCOLUMN_NAME
tuple[8] = s2b(Integer.toString(keySeqIndex++)); // KEY_SEQ
int[] actions = getForeignKeyActions(keysComment);
tuple[9] = s2b(Integer.toString(actions[1])); // UPDATE_RULE
tuple[10] = s2b(Integer.toString(actions[0])); // DELETE_RULE
tuple[11] = s2b(parsedInfo.constraintName); // FK_NAME
tuple[12] = null; // PK_NAME, not available from show table status
tuple[13] = s2b(Integer.toString(java.sql.DatabaseMetaData.importedKeyNotDeferrable)); // DEFERRABILITY
resultRows.add(new ByteArrayRow(tuple, getExceptionInterceptor()));
}
}
@Override
public java.sql.ResultSet getSchemas() throws SQLException {
return getSchemas(null, null);
}
@Override
public ResultSet getSchemas(String catalog, String schemaPattern) throws SQLException {
List dbList = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? getDatabases(schemaPattern) : new ArrayList<>();
Field[] fields = new Field[2];
fields[0] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
fields[1] = new Field("", "TABLE_CATALOG", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 0);
ArrayList tuples = new ArrayList<>(dbList.size());
for (String db : dbList) {
byte[][] rowVal = new byte[2][];
rowVal[0] = s2b(db);
rowVal[1] = s2b("def");
tuples.add(new ByteArrayRow(rowVal, getExceptionInterceptor()));
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(tuples, new DefaultColumnDefinition(fields)));
}
@Override
public String getSchemaTerm() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? "SCHEMA" : "";
}
@Override
public String getSearchStringEscape() throws SQLException {
return "\\";
}
/**
* Get a comma separated list of all a database's SQL keywords that are NOT also SQL92/SQL2003 keywords.
*
* @return the list
* @throws SQLException
* if a database access error occurs
*/
@Override
public String getSQLKeywords() throws SQLException {
if (mysqlKeywords != null) {
return mysqlKeywords;
}
synchronized (DatabaseMetaData.class) {
// double check, maybe it's already set
if (mysqlKeywords != null) {
return mysqlKeywords;
}
Set mysqlKeywordSet = new TreeSet<>();
StringBuilder mysqlKeywordsBuffer = new StringBuilder();
Collections.addAll(mysqlKeywordSet, MYSQL_KEYWORDS);
mysqlKeywordSet.removeAll(SQL2003_KEYWORDS);
for (String keyword : mysqlKeywordSet) {
mysqlKeywordsBuffer.append(",").append(keyword);
}
mysqlKeywords = mysqlKeywordsBuffer.substring(1);
return mysqlKeywords;
}
}
@Override
public int getSQLStateType() throws SQLException {
return java.sql.DatabaseMetaData.sqlStateSQL99;
}
@Override
public String getStringFunctions() throws SQLException {
return "ASCII,BIN,BIT_LENGTH,CHAR,CHARACTER_LENGTH,CHAR_LENGTH,CONCAT,CONCAT_WS,CONV,ELT,EXPORT_SET,FIELD,FIND_IN_SET,HEX,INSERT,"
+ "INSTR,LCASE,LEFT,LENGTH,LOAD_FILE,LOCATE,LOCATE,LOWER,LPAD,LTRIM,MAKE_SET,MATCH,MID,OCT,OCTET_LENGTH,ORD,POSITION,"
+ "QUOTE,REPEAT,REPLACE,REVERSE,RIGHT,RPAD,RTRIM,SOUNDEX,SPACE,STRCMP,SUBSTRING,SUBSTRING,SUBSTRING,SUBSTRING,"
+ "SUBSTRING_INDEX,TRIM,UCASE,UPPER";
}
@Override
public java.sql.ResultSet getSuperTables(String arg0, String arg1, String arg2) throws SQLException {
Field[] fields = new Field[4];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[1] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[2] = new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[3] = new Field("", "SUPERTABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(new ArrayList(), new DefaultColumnDefinition(fields)));
}
@Override
public java.sql.ResultSet getSuperTypes(String arg0, String arg1, String arg2) throws SQLException {
Field[] fields = new Field[6];
fields[0] = new Field("", "TYPE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[1] = new Field("", "TYPE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[2] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[3] = new Field("", "SUPERTYPE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[4] = new Field("", "SUPERTYPE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[5] = new Field("", "SUPERTYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(new ArrayList(), new DefaultColumnDefinition(fields)));
}
@Override
public String getSystemFunctions() throws SQLException {
return "DATABASE,USER,SYSTEM_USER,SESSION_USER,PASSWORD,ENCRYPT,LAST_INSERT_ID,VERSION";
}
protected String getTableNameWithCase(String table) {
String tableNameWithCase = (this.conn.lowerCaseTableNames() ? table.toLowerCase() : table);
return tableNameWithCase;
}
@Override
public java.sql.ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern) throws SQLException {
Field[] fields = new Field[7];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[1] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 1);
fields[2] = new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[3] = new Field("", "GRANTOR", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 77);
fields[4] = new Field("", "GRANTEE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 77);
fields[5] = new Field("", "PRIVILEGE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 64);
fields[6] = new Field("", "IS_GRANTABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 3);
String dbPattern = getDatabase(catalog, schemaPattern);
StringBuilder grantQueryBuf = new StringBuilder("SELECT host,db,table_name,grantor,user,table_priv FROM mysql.tables_priv");
StringBuilder conditionBuf = new StringBuilder();
if (dbPattern != null) {
conditionBuf.append(this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? " db LIKE ?" : " db = ?");
}
if (tableNamePattern != null) {
if (conditionBuf.length() > 0) {
conditionBuf.append(" AND");
}
conditionBuf.append(" table_name LIKE ?");
}
if (conditionBuf.length() > 0) {
grantQueryBuf.append(" WHERE");
grantQueryBuf.append(conditionBuf);
}
ResultSet results = null;
ArrayList grantRows = new ArrayList<>();
PreparedStatement pStmt = null;
try {
pStmt = prepareMetaDataSafeStatement(grantQueryBuf.toString());
int nextId = 1;
if (dbPattern != null) {
pStmt.setString(nextId++, dbPattern);
}
if (tableNamePattern != null) {
pStmt.setString(nextId, tableNamePattern);
}
results = pStmt.executeQuery();
while (results.next()) {
String host = results.getString(1);
String db = results.getString(2);
String table = results.getString(3);
String grantor = results.getString(4);
String user = results.getString(5);
if ((user == null) || (user.length() == 0)) {
user = "%";
}
StringBuilder fullUser = new StringBuilder(user);
if ((host != null) && this.useHostsInPrivileges) {
fullUser.append("@");
fullUser.append(host);
}
String allPrivileges = results.getString(6);
if (allPrivileges != null) {
allPrivileges = allPrivileges.toUpperCase(Locale.ENGLISH);
StringTokenizer st = new StringTokenizer(allPrivileges, ",");
while (st.hasMoreTokens()) {
String privilege = st.nextToken().trim();
// Loop through every column in the table
java.sql.ResultSet columnResults = null;
try {
columnResults = getColumns(catalog, schemaPattern, table, null);
while (columnResults.next()) {
byte[][] tuple = new byte[8][];
tuple[0] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b("def") : s2b(db); // PKTABLE_CAT
tuple[1] = this.databaseTerm.getValue() == DatabaseTerm.SCHEMA ? s2b(db) : null; // PKTABLE_SCHEM
tuple[2] = s2b(table);
tuple[3] = grantor != null ? s2b(grantor) : null;
tuple[4] = s2b(fullUser.toString());
tuple[5] = s2b(privilege);
tuple[6] = null;
grantRows.add(new ByteArrayRow(tuple, getExceptionInterceptor()));
}
} finally {
if (columnResults != null) {
try {
columnResults.close();
} catch (Exception ex) {
}
}
}
}
}
}
} finally {
if (results != null) {
try {
results.close();
} catch (Exception ex) {
}
results = null;
}
if (pStmt != null) {
try {
pStmt.close();
} catch (Exception ex) {
}
pStmt = null;
}
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(grantRows, new DefaultColumnDefinition(fields)));
}
@Override
public java.sql.ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, final String[] types) throws SQLException {
final SortedMap sortedRows = new TreeMap<>();
final ArrayList tuples = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
String db = getDatabase(catalog, schemaPattern);
final boolean dbMapsToSchema = DatabaseMetaData.this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
if (tableNamePattern != null) {
List parseList = StringUtils.splitDBdotName(tableNamePattern, db, this.quotedId, this.session.getServerSession().isNoBackslashEscapesSet());
//There *should* be 2 rows, if any.
if (parseList.size() == 2) {
tableNamePattern = parseList.get(1);
}
}
final String tableNamePat = tableNamePattern;
try {
new IterateBlock(dbMapsToSchema ? getSchemaPatternIterator(db) : getDatabaseIterator(db)) {
@Override
void forEach(String dbPattern) throws SQLException {
boolean operatingOnSystemDB = "information_schema".equalsIgnoreCase(dbPattern) || "mysql".equalsIgnoreCase(dbPattern)
|| "performance_schema".equalsIgnoreCase(dbPattern);
ResultSet results = null;
try {
try {
StringBuilder sqlBuf = new StringBuilder("SHOW FULL TABLES FROM ");
sqlBuf.append(StringUtils.quoteIdentifier(dbPattern, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
if (tableNamePat != null) {
sqlBuf.append(" LIKE ");
sqlBuf.append(StringUtils.quoteIdentifier(tableNamePat, "'", true));
}
results = stmt.executeQuery(sqlBuf.toString());
} catch (SQLException sqlEx) {
if (MysqlErrorNumbers.SQL_STATE_COMMUNICATION_LINK_FAILURE.equals(sqlEx.getSQLState())) {
throw sqlEx;
}
return;
}
boolean shouldReportTables = false;
boolean shouldReportViews = false;
boolean shouldReportSystemTables = false;
boolean shouldReportSystemViews = false;
boolean shouldReportLocalTemporaries = false;
if (types == null || types.length == 0) {
shouldReportTables = true;
shouldReportViews = true;
shouldReportSystemTables = true;
shouldReportSystemViews = true;
shouldReportLocalTemporaries = true;
} else {
for (int i = 0; i < types.length; i++) {
if (TableType.TABLE.equalsTo(types[i])) {
shouldReportTables = true;
} else if (TableType.VIEW.equalsTo(types[i])) {
shouldReportViews = true;
} else if (TableType.SYSTEM_TABLE.equalsTo(types[i])) {
shouldReportSystemTables = true;
} else if (TableType.SYSTEM_VIEW.equalsTo(types[i])) {
shouldReportSystemViews = true;
} else if (TableType.LOCAL_TEMPORARY.equalsTo(types[i])) {
shouldReportLocalTemporaries = true;
}
}
}
int typeColumnIndex = 0;
boolean hasTableTypes = false;
try {
// Both column names have been in use in the source tree so far....
typeColumnIndex = results.findColumn("table_type");
hasTableTypes = true;
} catch (SQLException sqlEx) {
// We should probably check SQLState here, but that can change depending on the server version and user properties, however,
// we'll get a 'true' SQLException when we actually try to find the 'Type' column
//
try {
typeColumnIndex = results.findColumn("Type");
hasTableTypes = true;
} catch (SQLException sqlEx2) {
hasTableTypes = false;
}
}
while (results.next()) {
byte[][] row = new byte[10][];
row[0] = dbMapsToSchema ? s2b("def") : s2b(dbPattern);// TABLE_CAT
row[1] = dbMapsToSchema ? s2b(dbPattern) : null; // TABLE_SCHEM
row[2] = results.getBytes(1);
row[4] = new byte[0];
row[5] = null;
row[6] = null;
row[7] = null;
row[8] = null;
row[9] = null;
if (hasTableTypes) {
String tableType = results.getString(typeColumnIndex);
switch (TableType.getTableTypeCompliantWith(tableType)) {
case TABLE:
boolean reportTable = false;
TableMetaDataKey tablesKey = null;
if (operatingOnSystemDB && shouldReportSystemTables) {
row[3] = TableType.SYSTEM_TABLE.asBytes();
tablesKey = new TableMetaDataKey(TableType.SYSTEM_TABLE.getName(), dbPattern, null, results.getString(1));
reportTable = true;
} else if (!operatingOnSystemDB && shouldReportTables) {
row[3] = TableType.TABLE.asBytes();
tablesKey = new TableMetaDataKey(TableType.TABLE.getName(), dbPattern, null, results.getString(1));
reportTable = true;
}
if (reportTable) {
sortedRows.put(tablesKey, new ByteArrayRow(row, getExceptionInterceptor()));
}
break;
case VIEW:
if (shouldReportViews) {
row[3] = TableType.VIEW.asBytes();
sortedRows.put(new TableMetaDataKey(TableType.VIEW.getName(), dbPattern, null, results.getString(1)),
new ByteArrayRow(row, getExceptionInterceptor()));
}
break;
case SYSTEM_TABLE:
if (shouldReportSystemTables) {
row[3] = TableType.SYSTEM_TABLE.asBytes();
sortedRows.put(new TableMetaDataKey(TableType.SYSTEM_TABLE.getName(), dbPattern, null, results.getString(1)),
new ByteArrayRow(row, getExceptionInterceptor()));
}
break;
case SYSTEM_VIEW:
if (shouldReportSystemViews) {
row[3] = TableType.SYSTEM_VIEW.asBytes();
sortedRows.put(new TableMetaDataKey(TableType.SYSTEM_VIEW.getName(), dbPattern, null, results.getString(1)),
new ByteArrayRow(row, getExceptionInterceptor()));
}
break;
case LOCAL_TEMPORARY:
if (shouldReportLocalTemporaries) {
row[3] = TableType.LOCAL_TEMPORARY.asBytes();
sortedRows.put(new TableMetaDataKey(TableType.LOCAL_TEMPORARY.getName(), dbPattern, null, results.getString(1)),
new ByteArrayRow(row, getExceptionInterceptor()));
}
break;
default:
row[3] = TableType.TABLE.asBytes();
sortedRows.put(new TableMetaDataKey(TableType.TABLE.getName(), dbPattern, null, results.getString(1)),
new ByteArrayRow(row, getExceptionInterceptor()));
break;
}
} else {
// TODO: Check if this branch is needed for 5.7 server (maybe refactor hasTableTypes)
if (shouldReportTables) {
// Pre-MySQL-5.0.1, tables only
row[3] = TableType.TABLE.asBytes();
sortedRows.put(new TableMetaDataKey(TableType.TABLE.getName(), dbPattern, null, results.getString(1)),
new ByteArrayRow(row, getExceptionInterceptor()));
}
}
}
} finally {
if (results != null) {
try {
results.close();
} catch (Exception ex) {
}
results = null;
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
tuples.addAll(sortedRows.values());
java.sql.ResultSet tables = this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(tuples, createTablesFields()));
return tables;
}
protected ColumnDefinition createTablesFields() {
Field[] fields = new Field[10];
fields[0] = new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 255);
fields[1] = new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
fields[2] = new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 255);
fields[3] = new Field("", "TABLE_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 5);
fields[4] = new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
fields[5] = new Field("", "TYPE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
fields[6] = new Field("", "TYPE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
fields[7] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
fields[8] = new Field("", "SELF_REFERENCING_COL_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
fields[9] = new Field("", "REF_GENERATION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 0);
return new DefaultColumnDefinition(fields);
}
@Override
public java.sql.ResultSet getTableTypes() throws SQLException {
ArrayList tuples = new ArrayList<>();
Field[] fields = new Field[] { new Field("", "TABLE_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 256) };
tuples.add(new ByteArrayRow(new byte[][] { TableType.LOCAL_TEMPORARY.asBytes() }, getExceptionInterceptor()));
tuples.add(new ByteArrayRow(new byte[][] { TableType.SYSTEM_TABLE.asBytes() }, getExceptionInterceptor()));
tuples.add(new ByteArrayRow(new byte[][] { TableType.SYSTEM_VIEW.asBytes() }, getExceptionInterceptor()));
tuples.add(new ByteArrayRow(new byte[][] { TableType.TABLE.asBytes() }, getExceptionInterceptor()));
tuples.add(new ByteArrayRow(new byte[][] { TableType.VIEW.asBytes() }, getExceptionInterceptor()));
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(tuples, new DefaultColumnDefinition(fields)));
}
@Override
public String getTimeDateFunctions() throws SQLException {
return "DAYOFWEEK,WEEKDAY,DAYOFMONTH,DAYOFYEAR,MONTH,DAYNAME,MONTHNAME,QUARTER,WEEK,YEAR,HOUR,MINUTE,SECOND,PERIOD_ADD,"
+ "PERIOD_DIFF,TO_DAYS,FROM_DAYS,DATE_FORMAT,TIME_FORMAT,CURDATE,CURRENT_DATE,CURTIME,CURRENT_TIME,NOW,SYSDATE,"
+ "CURRENT_TIMESTAMP,UNIX_TIMESTAMP,FROM_UNIXTIME,SEC_TO_TIME,TIME_TO_SEC";
}
/**
*
* @param mysqlTypeName
* we use a string name here to allow aliases for the same MysqlType to be listed too
* @return bytes
* @throws SQLException
* if a conversion error occurs
*/
private byte[][] getTypeInfo(String mysqlTypeName) throws SQLException {
MysqlType mt = MysqlType.getByName(mysqlTypeName);
byte[][] rowVal = new byte[18][];
rowVal[0] = s2b(mysqlTypeName); // Type name
rowVal[1] = Integer.toString(mt.getJdbcType()).getBytes(); // JDBC Data type
// JDBC spec reserved only 'int' type for precision, thus we need to cut longer values
rowVal[2] = Integer.toString(mt.getPrecision() > Integer.MAX_VALUE ? Integer.MAX_VALUE : mt.getPrecision().intValue()).getBytes(); // Precision
switch (mt) {
case TINYBLOB:
case BLOB:
case MEDIUMBLOB:
case LONGBLOB:
case TINYTEXT:
case TEXT:
case MEDIUMTEXT:
case LONGTEXT:
case JSON:
case BINARY:
case VARBINARY:
case CHAR:
case VARCHAR:
case ENUM:
case SET:
case DATE:
case TIME:
case DATETIME:
case TIMESTAMP:
case GEOMETRY:
case UNKNOWN:
rowVal[3] = s2b("'"); // Literal Prefix
rowVal[4] = s2b("'"); // Literal Suffix
break;
default:
rowVal[3] = s2b(""); // Literal Prefix
rowVal[4] = s2b(""); // Literal Suffix
}
rowVal[5] = s2b(mt.getCreateParams()); // Create Params
rowVal[6] = Integer.toString(java.sql.DatabaseMetaData.typeNullable).getBytes(); // Nullable
rowVal[7] = s2b("true"); // Case Sensitive
rowVal[8] = Integer.toString(java.sql.DatabaseMetaData.typeSearchable).getBytes(); // Searchable
rowVal[9] = s2b(mt.isAllowed(MysqlType.FIELD_FLAG_UNSIGNED) ? "true" : "false"); // Unsignable
rowVal[10] = s2b("false"); // Fixed Prec Scale
rowVal[11] = s2b("false"); // Auto Increment
rowVal[12] = s2b(mt.getName()); // Locale Type Name
switch (mt) {
case DECIMAL: // TODO is it right? DECIMAL isn't a floating-point number...
case DECIMAL_UNSIGNED:
case DOUBLE:
case DOUBLE_UNSIGNED:
rowVal[13] = s2b("-308"); // Minimum Scale
rowVal[14] = s2b("308"); // Maximum Scale
break;
case FLOAT:
case FLOAT_UNSIGNED:
rowVal[13] = s2b("-38"); // Minimum Scale
rowVal[14] = s2b("38"); // Maximum Scale
break;
default:
rowVal[13] = s2b("0"); // Minimum Scale
rowVal[14] = s2b("0"); // Maximum Scale
}
rowVal[15] = s2b("0"); // SQL Data Type (not used)
rowVal[16] = s2b("0"); // SQL DATETIME SUB (not used)
rowVal[17] = s2b("10"); // NUM_PREC_RADIX (2 or 10)
return rowVal;
}
@Override
public java.sql.ResultSet getTypeInfo() throws SQLException {
Field[] fields = new Field[18];
fields[0] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[1] = new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 5);
fields[2] = new Field("", "PRECISION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[3] = new Field("", "LITERAL_PREFIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 4);
fields[4] = new Field("", "LITERAL_SUFFIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 4);
fields[5] = new Field("", "CREATE_PARAMS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[6] = new Field("", "NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
fields[7] = new Field("", "CASE_SENSITIVE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.BOOLEAN, 3);
fields[8] = new Field("", "SEARCHABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 3);
fields[9] = new Field("", "UNSIGNED_ATTRIBUTE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.BOOLEAN, 3);
fields[10] = new Field("", "FIXED_PREC_SCALE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.BOOLEAN, 3);
fields[11] = new Field("", "AUTO_INCREMENT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.BOOLEAN, 3);
fields[12] = new Field("", "LOCAL_TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[13] = new Field("", "MINIMUM_SCALE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
fields[14] = new Field("", "MAXIMUM_SCALE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
fields[15] = new Field("", "SQL_DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[16] = new Field("", "SQL_DATETIME_SUB", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[17] = new Field("", "NUM_PREC_RADIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
ArrayList tuples = new ArrayList<>();
/*
* The following are ordered by java.sql.Types, and then by how closely the MySQL type matches the JDBC Type (per spec)
*/
tuples.add(new ByteArrayRow(getTypeInfo("BIT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("BOOL"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("TINYINT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("TINYINT UNSIGNED"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("BIGINT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("BIGINT UNSIGNED"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("LONG VARBINARY"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("MEDIUMBLOB"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("LONGBLOB"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("BLOB"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("VARBINARY"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("TINYBLOB"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("BINARY"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("LONG VARCHAR"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("MEDIUMTEXT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("LONGTEXT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("TEXT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("CHAR"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("ENUM"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("SET"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("DECIMAL"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("NUMERIC"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("INTEGER"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("INTEGER UNSIGNED"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("INT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("INT UNSIGNED"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("MEDIUMINT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("MEDIUMINT UNSIGNED"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("SMALLINT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("SMALLINT UNSIGNED"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("FLOAT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("DOUBLE"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("DOUBLE PRECISION"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("REAL"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("VARCHAR"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("TINYTEXT"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("DATE"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("YEAR"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("TIME"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("DATETIME"), getExceptionInterceptor()));
tuples.add(new ByteArrayRow(getTypeInfo("TIMESTAMP"), getExceptionInterceptor()));
// TODO add missed types (aliases)
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(tuples, new DefaultColumnDefinition(fields)));
}
@Override
public java.sql.ResultSet getUDTs(String catalog, String schemaPattern, String typeNamePattern, int[] types) throws SQLException {
Field[] fields = new Field[7];
fields[0] = new Field("", "TYPE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 32);
fields[1] = new Field("", "TYPE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 32);
fields[2] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 32);
fields[3] = new Field("", "CLASS_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 32);
fields[4] = new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[5] = new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 32);
fields[6] = new Field("", "BASE_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 10);
ArrayList tuples = new ArrayList<>();
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(tuples, new DefaultColumnDefinition(fields)));
}
@Override
public String getURL() throws SQLException {
return this.conn.getURL();
}
@Override
public String getUserName() throws SQLException {
if (this.useHostsInPrivileges) {
Statement stmt = null;
ResultSet rs = null;
try {
stmt = this.conn.getMetadataSafeStatement();
rs = stmt.executeQuery("SELECT USER()");
rs.next();
return rs.getString(1);
} finally {
if (rs != null) {
try {
rs.close();
} catch (Exception ex) {
AssertionFailedException.shouldNotHappen(ex);
}
rs = null;
}
if (stmt != null) {
try {
stmt.close();
} catch (Exception ex) {
AssertionFailedException.shouldNotHappen(ex);
}
stmt = null;
}
}
}
return this.conn.getUser();
}
protected Field[] getVersionColumnsFields() {
Field[] fields = new Field[8];
fields[0] = new Field("", "SCOPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
fields[1] = new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 32);
fields[2] = new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 5);
fields[3] = new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 16);
fields[4] = new Field("", "COLUMN_SIZE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 16);
fields[5] = new Field("", "BUFFER_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 16);
fields[6] = new Field("", "DECIMAL_DIGITS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 16);
fields[7] = new Field("", "PSEUDO_COLUMN", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 5);
return fields;
}
@Override
public java.sql.ResultSet getVersionColumns(String catalog, String schema, final String table) throws SQLException {
if (table == null) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.2"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
final ArrayList rows = new ArrayList<>();
final Statement stmt = this.conn.getMetadataSafeStatement();
String db = getDatabase(catalog, schema);
try {
new IterateBlock(getDatabaseIterator(db)) {
@Override
void forEach(String dbStr) throws SQLException {
ResultSet results = null;
try {
StringBuilder whereBuf = new StringBuilder(" Extra LIKE '%on update CURRENT_TIMESTAMP%'");
List rsFields = new ArrayList<>();
if (whereBuf.length() > 0 || rsFields.size() > 0) {
StringBuilder queryBuf = new StringBuilder("SHOW COLUMNS FROM ");
queryBuf.append(StringUtils.quoteIdentifier(table, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
queryBuf.append(" FROM ");
queryBuf.append(StringUtils.quoteIdentifier(dbStr, DatabaseMetaData.this.quotedId, DatabaseMetaData.this.pedantic));
queryBuf.append(" WHERE");
queryBuf.append(whereBuf.toString());
try {
results = stmt.executeQuery(queryBuf.toString());
} catch (SQLException sqlEx) {
String sqlState = sqlEx.getSQLState(); // If SQLState is 42S02, ignore this SQLException it means the table doesn't exist....
int errorCode = sqlEx.getErrorCode(); // Sometimes SQLState is not mapped correctly for pre-4.1 so use error code instead.
if (!"42S02".equals(sqlState) && errorCode != MysqlErrorNumbers.ER_NO_SUCH_TABLE
&& errorCode != MysqlErrorNumbers.ER_BAD_DB_ERROR) {
throw sqlEx;
}
}
while (results != null && results.next()) {
TypeDescriptor typeDesc = new TypeDescriptor(results.getString("Type"), results.getString("Null"));
byte[][] rowVal = new byte[8][];
rowVal[0] = null; // SCOPE is not used
rowVal[1] = results.getBytes("Field"); // COLUMN_NAME
rowVal[2] = Short.toString((short) typeDesc.mysqlType.getJdbcType()).getBytes(); // DATA_TYPE
rowVal[3] = s2b(typeDesc.mysqlType.getName()); // TYPE_NAME
rowVal[4] = typeDesc.columnSize == null ? null : s2b(typeDesc.columnSize.toString()); // COLUMN_SIZE
rowVal[5] = s2b(Integer.toString(typeDesc.bufferLength)); // BUFFER_LENGTH
rowVal[6] = typeDesc.decimalDigits == null ? null : s2b(typeDesc.decimalDigits.toString()); // DECIMAL_DIGITS
rowVal[7] = Integer.toString(java.sql.DatabaseMetaData.versionColumnNotPseudo).getBytes(); // PSEUDO_COLUMN
rows.add(new ByteArrayRow(rowVal, getExceptionInterceptor()));
}
}
} catch (SQLException sqlEx) {
if (!MysqlErrorNumbers.SQL_STATE_BASE_TABLE_OR_VIEW_NOT_FOUND.equals(sqlEx.getSQLState())) {
throw sqlEx;
}
} finally {
if (results != null) {
try {
results.close();
} catch (Exception ex) {
}
results = null;
}
}
}
}.doForAll();
} finally {
if (stmt != null) {
stmt.close();
}
}
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(rows, new DefaultColumnDefinition(getVersionColumnsFields())));
}
@Override
public boolean insertsAreDetected(int type) throws SQLException {
return false;
}
@Override
public boolean isCatalogAtStart() throws SQLException {
return true; // There is no similar method for SCHEMA
}
@Override
public boolean isReadOnly() throws SQLException {
return false;
}
@Override
public boolean locatorsUpdateCopy() throws SQLException {
return !this.conn.getPropertySet().getBooleanProperty(PropertyKey.emulateLocators).getValue();
}
@Override
public boolean nullPlusNonNullIsNull() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean nullsAreSortedAtEnd() throws SQLException {
return false;
}
@Override
public boolean nullsAreSortedAtStart() throws SQLException {
return false;
}
@Override
public boolean nullsAreSortedHigh() throws SQLException {
return false;
}
@Override
public boolean nullsAreSortedLow() throws SQLException {
return !nullsAreSortedHigh();
}
@Override
public boolean othersDeletesAreVisible(int type) throws SQLException {
return false;
}
@Override
public boolean othersInsertsAreVisible(int type) throws SQLException {
return false;
}
@Override
public boolean othersUpdatesAreVisible(int type) throws SQLException {
return false;
}
@Override
public boolean ownDeletesAreVisible(int type) throws SQLException {
return false;
}
@Override
public boolean ownInsertsAreVisible(int type) throws SQLException {
return false;
}
@Override
public boolean ownUpdatesAreVisible(int type) throws SQLException {
return false;
}
protected LocalAndReferencedColumns parseTableStatusIntoLocalAndReferencedColumns(String keysComment) throws SQLException {
// keys will equal something like this: (parent_service_id child_service_id) REFER ds/subservices(parent_service_id child_service_id)
//
// simple-columned keys: (m) REFER airline/tt(a)
//
// multi-columned keys : (m n) REFER airline/vv(a b)
//
// parse of the string into three phases:
// 1: parse the opening parentheses to determine how many results there will be
// 2: read in the schema name/table name
// 3: parse the closing parentheses
String columnsDelimitter = ","; // what version did this change in?
int indexOfOpenParenLocalColumns = StringUtils.indexOfIgnoreCase(0, keysComment, "(", this.quotedId, this.quotedId, StringUtils.SEARCH_MODE__ALL);
if (indexOfOpenParenLocalColumns == -1) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.14"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
String constraintName = StringUtils.unQuoteIdentifier(keysComment.substring(0, indexOfOpenParenLocalColumns).trim(), this.quotedId);
keysComment = keysComment.substring(indexOfOpenParenLocalColumns, keysComment.length());
String keysCommentTrimmed = keysComment.trim();
int indexOfCloseParenLocalColumns = StringUtils.indexOfIgnoreCase(0, keysCommentTrimmed, ")", this.quotedId, this.quotedId,
StringUtils.SEARCH_MODE__ALL);
if (indexOfCloseParenLocalColumns == -1) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.15"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
String localColumnNamesString = keysCommentTrimmed.substring(1, indexOfCloseParenLocalColumns);
int indexOfRefer = StringUtils.indexOfIgnoreCase(0, keysCommentTrimmed, "REFER ", this.quotedId, this.quotedId, StringUtils.SEARCH_MODE__ALL);
if (indexOfRefer == -1) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.16"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
int indexOfOpenParenReferCol = StringUtils.indexOfIgnoreCase(indexOfRefer, keysCommentTrimmed, "(", this.quotedId, this.quotedId,
StringUtils.SEARCH_MODE__MRK_COM_WS);
if (indexOfOpenParenReferCol == -1) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.17"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
String referDbTableString = keysCommentTrimmed.substring(indexOfRefer + "REFER ".length(), indexOfOpenParenReferCol);
int indexOfSlash = StringUtils.indexOfIgnoreCase(0, referDbTableString, "/", this.quotedId, this.quotedId, StringUtils.SEARCH_MODE__MRK_COM_WS);
if (indexOfSlash == -1) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.18"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
String referDb = StringUtils.unQuoteIdentifier(referDbTableString.substring(0, indexOfSlash), this.quotedId);
String referTable = StringUtils.unQuoteIdentifier(referDbTableString.substring(indexOfSlash + 1).trim(), this.quotedId);
int indexOfCloseParenRefer = StringUtils.indexOfIgnoreCase(indexOfOpenParenReferCol, keysCommentTrimmed, ")", this.quotedId, this.quotedId,
StringUtils.SEARCH_MODE__ALL);
if (indexOfCloseParenRefer == -1) {
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.19"), MysqlErrorNumbers.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
String referColumnNamesString = keysCommentTrimmed.substring(indexOfOpenParenReferCol + 1, indexOfCloseParenRefer);
List referColumnsList = StringUtils.split(referColumnNamesString, columnsDelimitter, this.quotedId, this.quotedId, false);
List localColumnsList = StringUtils.split(localColumnNamesString, columnsDelimitter, this.quotedId, this.quotedId, false);
return new LocalAndReferencedColumns(localColumnsList, referColumnsList, constraintName, referDb, referTable);
}
/**
* Converts the given string to bytes, using the connection's character
* encoding, or if not available, the JVM default encoding.
*
* @param s
* string
* @return bytes
* @throws SQLException
* if a conversion error occurs
*/
protected byte[] s2b(String s) throws SQLException {
if (s == null) {
return null;
}
try {
return StringUtils.getBytes(s, this.conn.getCharacterSetMetadata());
} catch (CJException e) {
throw SQLExceptionsMapping.translateException(e, getExceptionInterceptor());
}
}
@Override
public boolean storesLowerCaseIdentifiers() throws SQLException {
return this.conn.storesLowerCaseTableName();
}
@Override
public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
// NOTE: A JDBC compliant driver will always return false.
return this.conn.storesLowerCaseTableName();
}
@Override
public boolean storesMixedCaseIdentifiers() throws SQLException {
return !this.conn.storesLowerCaseTableName();
}
@Override
public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
// NOTE: A JDBC compliant driver will always return false.
return !this.conn.storesLowerCaseTableName();
}
@Override
public boolean storesUpperCaseIdentifiers() throws SQLException {
return false;
}
@Override
public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
// NOTE: A JDBC compliant driver will always return true.
return true; // not actually true, but required by JDBC spec!?
}
@Override
public boolean supportsAlterTableWithAddColumn() throws SQLException {
return true;
}
@Override
public boolean supportsAlterTableWithDropColumn() throws SQLException {
return true;
}
@Override
public boolean supportsANSI92EntryLevelSQL() throws SQLException {
// NOTE: All JDBC compliant drivers must return true.
return true;
}
@Override
public boolean supportsANSI92FullSQL() throws SQLException {
return false;
}
@Override
public boolean supportsANSI92IntermediateSQL() throws SQLException {
return false;
}
@Override
public boolean supportsBatchUpdates() throws SQLException {
return true;
}
@Override
public boolean supportsCatalogsInDataManipulation() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.CATALOG;
}
@Override
public boolean supportsCatalogsInIndexDefinitions() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.CATALOG;
}
@Override
public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.CATALOG;
}
@Override
public boolean supportsCatalogsInProcedureCalls() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.CATALOG;
}
@Override
public boolean supportsCatalogsInTableDefinitions() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.CATALOG;
}
@Override
public boolean supportsColumnAliasing() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsConvert() throws SQLException {
// TODO MySQL has a CONVERT() function, is it irrelevant here?
return false;
}
@Override
public boolean supportsConvert(int fromType, int toType) throws SQLException {
return MysqlType.supportsConvert(fromType, toType);
}
@Override
public boolean supportsCoreSQLGrammar() throws SQLException {
return true;
}
@Override
public boolean supportsCorrelatedSubqueries() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException {
return false;
}
@Override
public boolean supportsDataManipulationTransactionsOnly() throws SQLException {
return false;
}
@Override
public boolean supportsDifferentTableCorrelationNames() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsExpressionsInOrderBy() throws SQLException {
return true;
}
@Override
public boolean supportsExtendedSQLGrammar() throws SQLException {
return false;
}
@Override
public boolean supportsFullOuterJoins() throws SQLException {
return false;
}
@Override
public boolean supportsGetGeneratedKeys() {
return true;
}
@Override
public boolean supportsGroupBy() throws SQLException {
return true;
}
@Override
public boolean supportsGroupByBeyondSelect() throws SQLException {
return true;
}
@Override
public boolean supportsGroupByUnrelated() throws SQLException {
return true;
}
@Override
public boolean supportsIntegrityEnhancementFacility() throws SQLException {
if (!this.conn.getPropertySet().getBooleanProperty(PropertyKey.overrideSupportsIntegrityEnhancementFacility).getValue()) {
return false;
}
return true;
}
@Override
public boolean supportsLikeEscapeClause() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsLimitedOuterJoins() throws SQLException {
return true;
}
@Override
public boolean supportsMinimumSQLGrammar() throws SQLException {
// NOTE: All JDBC compliant drivers must return true.
return true;
}
@Override
public boolean supportsMixedCaseIdentifiers() throws SQLException {
return !this.conn.lowerCaseTableNames();
}
@Override
public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return !this.conn.lowerCaseTableNames();
}
@Override
public boolean supportsMultipleOpenResults() throws SQLException {
return true;
}
@Override
public boolean supportsMultipleResultSets() throws SQLException {
return true;
}
@Override
public boolean supportsMultipleTransactions() throws SQLException {
return true;
}
@Override
public boolean supportsNamedParameters() throws SQLException {
return false;
}
@Override
public boolean supportsNonNullableColumns() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsOpenCursorsAcrossCommit() throws SQLException {
return false;
}
@Override
public boolean supportsOpenCursorsAcrossRollback() throws SQLException {
return false;
}
@Override
public boolean supportsOpenStatementsAcrossCommit() throws SQLException {
return false;
}
@Override
public boolean supportsOpenStatementsAcrossRollback() throws SQLException {
return false;
}
@Override
public boolean supportsOrderByUnrelated() throws SQLException {
return false;
}
@Override
public boolean supportsOuterJoins() throws SQLException {
return true;
}
@Override
public boolean supportsPositionedDelete() throws SQLException {
return false;
}
@Override
public boolean supportsPositionedUpdate() throws SQLException {
return false;
}
@Override
public boolean supportsResultSetConcurrency(int type, int concurrency) throws SQLException {
switch (type) {
case ResultSet.TYPE_SCROLL_INSENSITIVE:
if ((concurrency == ResultSet.CONCUR_READ_ONLY) || (concurrency == ResultSet.CONCUR_UPDATABLE)) {
return true;
}
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.20"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
case ResultSet.TYPE_FORWARD_ONLY:
if ((concurrency == ResultSet.CONCUR_READ_ONLY) || (concurrency == ResultSet.CONCUR_UPDATABLE)) {
return true;
}
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.20"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
case ResultSet.TYPE_SCROLL_SENSITIVE:
return false;
default:
throw SQLError.createSQLException(Messages.getString("DatabaseMetaData.20"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT,
getExceptionInterceptor());
}
}
@Override
public boolean supportsResultSetHoldability(int holdability) throws SQLException {
return (holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT);
}
@Override
public boolean supportsResultSetType(int type) throws SQLException {
return (type == ResultSet.TYPE_SCROLL_INSENSITIVE); // TODO other types?
}
@Override
public boolean supportsSavepoints() throws SQLException {
return true;
}
@Override
public boolean supportsSchemasInDataManipulation() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
}
@Override
public boolean supportsSchemasInIndexDefinitions() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
}
@Override
public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
}
@Override
public boolean supportsSchemasInProcedureCalls() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
}
@Override
public boolean supportsSchemasInTableDefinitions() throws SQLException {
return this.databaseTerm.getValue() == DatabaseTerm.SCHEMA;
}
@Override
public boolean supportsSelectForUpdate() throws SQLException {
return true;
}
@Override
public boolean supportsStatementPooling() throws SQLException {
return false;
}
@Override
public boolean supportsStoredProcedures() throws SQLException {
return true;
}
@Override
public boolean supportsSubqueriesInComparisons() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsSubqueriesInExists() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsSubqueriesInIns() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsSubqueriesInQuantifieds() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsTableCorrelationNames() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
switch (level) {
case java.sql.Connection.TRANSACTION_READ_COMMITTED:
case java.sql.Connection.TRANSACTION_READ_UNCOMMITTED:
case java.sql.Connection.TRANSACTION_REPEATABLE_READ:
case java.sql.Connection.TRANSACTION_SERIALIZABLE:
return true;
default:
return false;
}
}
@Override
public boolean supportsTransactions() throws SQLException {
return true;
}
@Override
public boolean supportsUnion() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean supportsUnionAll() throws SQLException {
// NOTE: A JDBC compliant driver always returns true.
return true;
}
@Override
public boolean updatesAreDetected(int type) throws SQLException {
return false;
}
@Override
public boolean usesLocalFilePerTable() throws SQLException {
return false;
}
@Override
public boolean usesLocalFiles() throws SQLException {
return false;
}
@Override
public ResultSet getClientInfoProperties() throws SQLException {
// We don't have any built-ins, we actually support whatever the client wants to provide, however we don't have a way to express this with the interface
// given
Field[] fields = new Field[4];
fields[0] = new Field("", "NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 255);
fields[1] = new Field("", "MAX_LEN", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 10);
fields[2] = new Field("", "DEFAULT_VALUE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 255);
fields[3] = new Field("", "DESCRIPTION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 255);
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(new ArrayList(), new DefaultColumnDefinition(fields)));
}
@Override
public ResultSet getFunctionColumns(String catalog, String schemaPattern, String functionNamePattern, String columnNamePattern) throws SQLException {
return getProcedureOrFunctionColumns(createFunctionColumnsFields(), catalog, schemaPattern, functionNamePattern, columnNamePattern, false, true);
}
protected Field[] createFunctionColumnsFields() {
Field[] fields = { new Field("", "FUNCTION_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "FUNCTION_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "FUNCTION_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "COLUMN_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 64),
new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6),
new Field("", "TYPE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 64),
new Field("", "PRECISION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12),
new Field("", "LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12),
new Field("", "SCALE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 12),
new Field("", "RADIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6),
new Field("", "NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6),
new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "CHAR_OCTET_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32),
new Field("", "ORDINAL_POSITION", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 32),
new Field("", "IS_NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 12),
new Field("", "SPECIFIC_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 64) };
return fields;
}
protected Field[] getFunctionsFields() {
Field[] fields = new Field[6];
fields[0] = new Field("", "FUNCTION_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[1] = new Field("", "FUNCTION_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[2] = new Field("", "FUNCTION_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[3] = new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
fields[4] = new Field("", "FUNCTION_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.SMALLINT, 6);
fields[5] = new Field("", "SPECIFIC_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.CHAR, 255);
return fields;
}
@Override
public java.sql.ResultSet getFunctions(String catalog, String schemaPattern, String functionNamePattern) throws SQLException {
return getProceduresAndOrFunctions(getFunctionsFields(), catalog, schemaPattern, functionNamePattern, false, true);
}
public boolean providesQueryObjectGenerator() throws SQLException {
return false;
}
@Override
public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
return true;
}
/**
* Get a prepared statement to query information_schema tables.
*
* @param sql
* query
* @return PreparedStatement
* @throws SQLException
* if a database access error occurs
*/
protected java.sql.PreparedStatement prepareMetaDataSafeStatement(String sql) throws SQLException {
// Can't use server-side here as we coerce a lot of types to match the spec.
java.sql.PreparedStatement pStmt = this.conn.clientPrepareStatement(sql);
if (pStmt.getMaxRows() != 0) {
pStmt.setMaxRows(0);
}
((com.mysql.cj.jdbc.JdbcStatement) pStmt).setHoldResultsOpenOverClose(true);
return pStmt;
}
@Override
public java.sql.ResultSet getPseudoColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) throws SQLException {
Field[] fields = { new Field("", "TABLE_CAT", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "TABLE_SCHEM", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "TABLE_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "COLUMN_NAME", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "DATA_TYPE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12),
new Field("", "COLUMN_SIZE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12),
new Field("", "DECIMAL_DIGITS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12),
new Field("", "NUM_PREC_RADIX", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12),
new Field("", "COLUMN_USAGE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "REMARKS", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512),
new Field("", "CHAR_OCTET_LENGTH", this.metadataCollationIndex, this.metadataEncoding, MysqlType.INT, 12),
new Field("", "IS_NULLABLE", this.metadataCollationIndex, this.metadataEncoding, MysqlType.VARCHAR, 512) };
return this.resultSetFactory.createFromResultsetRows(ResultSet.CONCUR_READ_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
new ResultsetRowsStatic(new ArrayList(), new DefaultColumnDefinition(fields)));
}
@Override
public boolean generatedKeyAlwaysReturned() throws SQLException {
return true;
}
@Override
public T unwrap(java.lang.Class iface) throws java.sql.SQLException {
try {
// This works for classes that aren't actually wrapping
// anything
return iface.cast(this);
} catch (ClassCastException cce) {
throw SQLError.createSQLException(Messages.getString("Common.UnableToUnwrap", new Object[] { iface.toString() }),
MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT, this.conn.getExceptionInterceptor());
}
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
// This works for classes that aren't actually wrapping anything
return iface.isInstance(this);
}
@Override
public RowIdLifetime getRowIdLifetime() throws SQLException {
return RowIdLifetime.ROWID_UNSUPPORTED;
}
@Override
public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
return false;
}
public String getMetadataEncoding() {
return this.metadataEncoding;
}
public void setMetadataEncoding(String metadataEncoding) {
this.metadataEncoding = metadataEncoding;
}
public int getMetadataCollationIndex() {
return this.metadataCollationIndex;
}
public void setMetadataCollationIndex(int metadataCollationIndex) {
this.metadataCollationIndex = metadataCollationIndex;
}
}