org.hibernate.dialect: public class: PostgreSQLDialect

org.hibernate.dialect
public class: PostgreSQLDialect [javadoc | source]

java.lang.Object
   org.hibernate.dialect.Dialect
      org.hibernate.dialect.PostgreSQLDialect

Direct Known Subclasses:
PostgresPlusDialect

An SQL dialect for Postgres

author: Gavin - King

Fields inherited from org.hibernate.dialect.Dialect:
DEFAULT_BATCH_SIZE, NO_BATCH, QUOTE, CLOSED_QUOTE

Constructor:
public PostgreSQLDialect() { super(); registerColumnType( Types.BIT, "bool" ); registerColumnType( Types.BIGINT, "int8" ); registerColumnType( Types.SMALLINT, "int2" ); registerColumnType( Types.TINYINT, "int2" ); registerColumnType( Types.INTEGER, "int4" ); registerColumnType( Types.CHAR, "char(1)" ); registerColumnType( Types.VARCHAR, "varchar($l)" ); registerColumnType( Types.FLOAT, "float4" ); registerColumnType( Types.DOUBLE, "float8" ); registerColumnType( Types.DATE, "date" ); registerColumnType( Types.TIME, "time" ); registerColumnType( Types.TIMESTAMP, "timestamp" ); registerColumnType( Types.VARBINARY, "bytea" ); registerColumnType( Types.CLOB, "text" ); registerColumnType( Types.BLOB, "oid" ); registerColumnType( Types.NUMERIC, "numeric($p, $s)" ); registerFunction( "abs", new StandardSQLFunction("abs") ); registerFunction( "sign", new StandardSQLFunction("sign", Hibernate.INTEGER) ); registerFunction( "acos", new StandardSQLFunction("acos", Hibernate.DOUBLE) ); registerFunction( "asin", new StandardSQLFunction("asin", Hibernate.DOUBLE) ); registerFunction( "atan", new StandardSQLFunction("atan", Hibernate.DOUBLE) ); registerFunction( "cos", new StandardSQLFunction("cos", Hibernate.DOUBLE) ); registerFunction( "cot", new StandardSQLFunction("cot", Hibernate.DOUBLE) ); registerFunction( "exp", new StandardSQLFunction("exp", Hibernate.DOUBLE) ); registerFunction( "ln", new StandardSQLFunction("ln", Hibernate.DOUBLE) ); registerFunction( "log", new StandardSQLFunction("log", Hibernate.DOUBLE) ); registerFunction( "sin", new StandardSQLFunction("sin", Hibernate.DOUBLE) ); registerFunction( "sqrt", new StandardSQLFunction("sqrt", Hibernate.DOUBLE) ); registerFunction( "cbrt", new StandardSQLFunction("cbrt", Hibernate.DOUBLE) ); registerFunction( "tan", new StandardSQLFunction("tan", Hibernate.DOUBLE) ); registerFunction( "radians", new StandardSQLFunction("radians", Hibernate.DOUBLE) ); registerFunction( "degrees", new StandardSQLFunction("degrees", Hibernate.DOUBLE) ); registerFunction( "stddev", new StandardSQLFunction("stddev", Hibernate.DOUBLE) ); registerFunction( "variance", new StandardSQLFunction("variance", Hibernate.DOUBLE) ); registerFunction( "random", new NoArgSQLFunction("random", Hibernate.DOUBLE) ); registerFunction( "round", new StandardSQLFunction("round") ); registerFunction( "trunc", new StandardSQLFunction("trunc") ); registerFunction( "ceil", new StandardSQLFunction("ceil") ); registerFunction( "floor", new StandardSQLFunction("floor") ); registerFunction( "chr", new StandardSQLFunction("chr", Hibernate.CHARACTER) ); registerFunction( "lower", new StandardSQLFunction("lower") ); registerFunction( "upper", new StandardSQLFunction("upper") ); registerFunction( "substr", new StandardSQLFunction("substr", Hibernate.STRING) ); registerFunction( "initcap", new StandardSQLFunction("initcap") ); registerFunction( "to_ascii", new StandardSQLFunction("to_ascii") ); registerFunction( "quote_ident", new StandardSQLFunction("quote_ident", Hibernate.STRING) ); registerFunction( "quote_literal", new StandardSQLFunction("quote_literal", Hibernate.STRING) ); registerFunction( "md5", new StandardSQLFunction("md5") ); registerFunction( "ascii", new StandardSQLFunction("ascii", Hibernate.INTEGER) ); registerFunction( "length", new StandardSQLFunction("length", Hibernate.LONG) ); registerFunction( "char_length", new StandardSQLFunction("char_length", Hibernate.LONG) ); registerFunction( "bit_length", new StandardSQLFunction("bit_length", Hibernate.LONG) ); registerFunction( "octet_length", new StandardSQLFunction("octet_length", Hibernate.LONG) ); registerFunction( "age", new StandardSQLFunction("age") ); registerFunction( "current_date", new NoArgSQLFunction("current_date", Hibernate.DATE, false) ); registerFunction( "current_time", new NoArgSQLFunction("current_time", Hibernate.TIME, false) ); registerFunction( "current_timestamp", new NoArgSQLFunction("current_timestamp", Hibernate.TIMESTAMP, false) ); registerFunction( "date_trunc", new StandardSQLFunction( "date_trunc", Hibernate.TIMESTAMP ) ); registerFunction( "localtime", new NoArgSQLFunction("localtime", Hibernate.TIME, false) ); registerFunction( "localtimestamp", new NoArgSQLFunction("localtimestamp", Hibernate.TIMESTAMP, false) ); registerFunction( "now", new NoArgSQLFunction("now", Hibernate.TIMESTAMP) ); registerFunction( "timeofday", new NoArgSQLFunction("timeofday", Hibernate.STRING) ); registerFunction( "current_user", new NoArgSQLFunction("current_user", Hibernate.STRING, false) ); registerFunction( "session_user", new NoArgSQLFunction("session_user", Hibernate.STRING, false) ); registerFunction( "user", new NoArgSQLFunction("user", Hibernate.STRING, false) ); registerFunction( "current_database", new NoArgSQLFunction("current_database", Hibernate.STRING, true) ); registerFunction( "current_schema", new NoArgSQLFunction("current_schema", Hibernate.STRING, true) ); registerFunction( "to_char", new StandardSQLFunction("to_char", Hibernate.STRING) ); registerFunction( "to_date", new StandardSQLFunction("to_date", Hibernate.DATE) ); registerFunction( "to_timestamp", new StandardSQLFunction("to_timestamp", Hibernate.TIMESTAMP) ); registerFunction( "to_number", new StandardSQLFunction("to_number", Hibernate.BIG_DECIMAL) ); registerFunction( "concat", new VarArgsSQLFunction( Hibernate.STRING, "(","\|\|",")" ) ); registerFunction( "locate", new PositionSubstringFunction() ); registerFunction( "str", new SQLFunctionTemplate(Hibernate.STRING, "cast(?1 as varchar)") ); getDefaultProperties().setProperty(Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE); }

Constructor:

 public PostgreSQLDialect() {
		super();
		registerColumnType( Types.BIT, "bool" );
		registerColumnType( Types.BIGINT, "int8" );
		registerColumnType( Types.SMALLINT, "int2" );
		registerColumnType( Types.TINYINT, "int2" );
		registerColumnType( Types.INTEGER, "int4" );
		registerColumnType( Types.CHAR, "char(1)" );
		registerColumnType( Types.VARCHAR, "varchar($l)" );
		registerColumnType( Types.FLOAT, "float4" );
		registerColumnType( Types.DOUBLE, "float8" );
		registerColumnType( Types.DATE, "date" );
		registerColumnType( Types.TIME, "time" );
		registerColumnType( Types.TIMESTAMP, "timestamp" );
		registerColumnType( Types.VARBINARY, "bytea" );
		registerColumnType( Types.CLOB, "text" );
		registerColumnType( Types.BLOB, "oid" );
		registerColumnType( Types.NUMERIC, "numeric($p, $s)" );
		registerFunction( "abs", new StandardSQLFunction("abs") );
		registerFunction( "sign", new StandardSQLFunction("sign", Hibernate.INTEGER) );
		registerFunction( "acos", new StandardSQLFunction("acos", Hibernate.DOUBLE) );
		registerFunction( "asin", new StandardSQLFunction("asin", Hibernate.DOUBLE) );
		registerFunction( "atan", new StandardSQLFunction("atan", Hibernate.DOUBLE) );
		registerFunction( "cos", new StandardSQLFunction("cos", Hibernate.DOUBLE) );
		registerFunction( "cot", new StandardSQLFunction("cot", Hibernate.DOUBLE) );
		registerFunction( "exp", new StandardSQLFunction("exp", Hibernate.DOUBLE) );
		registerFunction( "ln", new StandardSQLFunction("ln", Hibernate.DOUBLE) );
		registerFunction( "log", new StandardSQLFunction("log", Hibernate.DOUBLE) );
		registerFunction( "sin", new StandardSQLFunction("sin", Hibernate.DOUBLE) );
		registerFunction( "sqrt", new StandardSQLFunction("sqrt", Hibernate.DOUBLE) );
		registerFunction( "cbrt", new StandardSQLFunction("cbrt", Hibernate.DOUBLE) );
		registerFunction( "tan", new StandardSQLFunction("tan", Hibernate.DOUBLE) );
		registerFunction( "radians", new StandardSQLFunction("radians", Hibernate.DOUBLE) );
		registerFunction( "degrees", new StandardSQLFunction("degrees", Hibernate.DOUBLE) );
		registerFunction( "stddev", new StandardSQLFunction("stddev", Hibernate.DOUBLE) );
		registerFunction( "variance", new StandardSQLFunction("variance", Hibernate.DOUBLE) );
		registerFunction( "random", new NoArgSQLFunction("random", Hibernate.DOUBLE) );
		registerFunction( "round", new StandardSQLFunction("round") );
		registerFunction( "trunc", new StandardSQLFunction("trunc") );
		registerFunction( "ceil", new StandardSQLFunction("ceil") );
		registerFunction( "floor", new StandardSQLFunction("floor") );
		registerFunction( "chr", new StandardSQLFunction("chr", Hibernate.CHARACTER) );
		registerFunction( "lower", new StandardSQLFunction("lower") );
		registerFunction( "upper", new StandardSQLFunction("upper") );
		registerFunction( "substr", new StandardSQLFunction("substr", Hibernate.STRING) );
		registerFunction( "initcap", new StandardSQLFunction("initcap") );
		registerFunction( "to_ascii", new StandardSQLFunction("to_ascii") );
		registerFunction( "quote_ident", new StandardSQLFunction("quote_ident", Hibernate.STRING) );
		registerFunction( "quote_literal", new StandardSQLFunction("quote_literal", Hibernate.STRING) );
		registerFunction( "md5", new StandardSQLFunction("md5") );
		registerFunction( "ascii", new StandardSQLFunction("ascii", Hibernate.INTEGER) );
		registerFunction( "length", new StandardSQLFunction("length", Hibernate.LONG) );
		registerFunction( "char_length", new StandardSQLFunction("char_length", Hibernate.LONG) );
		registerFunction( "bit_length", new StandardSQLFunction("bit_length", Hibernate.LONG) );
		registerFunction( "octet_length", new StandardSQLFunction("octet_length", Hibernate.LONG) );
		registerFunction( "age", new StandardSQLFunction("age") );
		registerFunction( "current_date", new NoArgSQLFunction("current_date", Hibernate.DATE, false) );
		registerFunction( "current_time", new NoArgSQLFunction("current_time", Hibernate.TIME, false) );
		registerFunction( "current_timestamp", new NoArgSQLFunction("current_timestamp", Hibernate.TIMESTAMP, false) );
		registerFunction( "date_trunc", new StandardSQLFunction( "date_trunc", Hibernate.TIMESTAMP ) );
		registerFunction( "localtime", new NoArgSQLFunction("localtime", Hibernate.TIME, false) );
		registerFunction( "localtimestamp", new NoArgSQLFunction("localtimestamp", Hibernate.TIMESTAMP, false) );
		registerFunction( "now", new NoArgSQLFunction("now", Hibernate.TIMESTAMP) );
		registerFunction( "timeofday", new NoArgSQLFunction("timeofday", Hibernate.STRING) );
		registerFunction( "current_user", new NoArgSQLFunction("current_user", Hibernate.STRING, false) );
		registerFunction( "session_user", new NoArgSQLFunction("session_user", Hibernate.STRING, false) );
		registerFunction( "user", new NoArgSQLFunction("user", Hibernate.STRING, false) );
		registerFunction( "current_database", new NoArgSQLFunction("current_database", Hibernate.STRING, true) );
		registerFunction( "current_schema", new NoArgSQLFunction("current_schema", Hibernate.STRING, true) );
		registerFunction( "to_char", new StandardSQLFunction("to_char", Hibernate.STRING) );
		registerFunction( "to_date", new StandardSQLFunction("to_date", Hibernate.DATE) );
		registerFunction( "to_timestamp", new StandardSQLFunction("to_timestamp", Hibernate.TIMESTAMP) );
		registerFunction( "to_number", new StandardSQLFunction("to_number", Hibernate.BIG_DECIMAL) );
		registerFunction( "concat", new VarArgsSQLFunction( Hibernate.STRING, "(","||",")" ) );
		registerFunction( "locate", new PositionSubstringFunction() );
		registerFunction( "str", new SQLFunctionTemplate(Hibernate.STRING, "cast(?1 as varchar)") );
		getDefaultProperties().setProperty(Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE);
}

Method from org.hibernate.dialect.PostgreSQLDialect Summary:
bindLimitParametersInReverseOrder, dropConstraints, getAddColumnString, getCascadeConstraintsString, getCreateSequenceString, getCreateSequenceString, getCreateTemporaryTablePostfix, getCreateTemporaryTableString, getCurrentTimestampSelectString, getDropSequenceString, getForUpdateString, getIdentityColumnString, getIdentitySelectString, getLimitString, getNativeIdentifierGeneratorClass, getNoColumnsInsertString, getQuerySequencesString, getResultSet, getSelectClauseNullString, getSelectSequenceNextValString, getSequenceNextValString, getViolatedConstraintNameExtracter, hasDataTypeInIdentityColumn, isCurrentTimestampSelectStringCallable, registerResultSetOutParameter, supportsCommentOn, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExpectedLobUsagePattern, supportsIdentityColumns, supportsLimit, supportsOuterJoinForUpdate, supportsPooledSequences, supportsSequences, supportsTemporaryTables, supportsUnionAll, toBooleanValueString, useInputStreamToInsertBlob

Method from org.hibernate.dialect.PostgreSQLDialect Summary:

bindLimitParametersInReverseOrder, dropConstraints, getAddColumnString, getCascadeConstraintsString, getCreateSequenceString, getCreateSequenceString, getCreateTemporaryTablePostfix, getCreateTemporaryTableString, getCurrentTimestampSelectString, getDropSequenceString, getForUpdateString, getIdentityColumnString, getIdentitySelectString, getLimitString, getNativeIdentifierGeneratorClass, getNoColumnsInsertString, getQuerySequencesString, getResultSet, getSelectClauseNullString, getSelectSequenceNextValString, getSequenceNextValString, getViolatedConstraintNameExtracter, hasDataTypeInIdentityColumn, isCurrentTimestampSelectStringCallable, registerResultSetOutParameter, supportsCommentOn, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExpectedLobUsagePattern, supportsIdentityColumns, supportsLimit, supportsOuterJoinForUpdate, supportsPooledSequences, supportsSequences, supportsTemporaryTables, supportsUnionAll, toBooleanValueString, useInputStreamToInsertBlob

Methods from org.hibernate.dialect.Dialect:
appendIdentitySelectToInsert, appendLockHint, applyLocksToSql, areStringComparisonsCaseInsensitive, bindLimitParametersFirst, bindLimitParametersInReverseOrder, buildSQLExceptionConverter, closeQuote, createCaseFragment, createOuterJoinFragment, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, dropConstraints, dropTemporaryTableAfterUse, forUpdateOfColumns, forceLimitUsage, generateTemporaryTableName, getAddColumnString, getAddForeignKeyConstraintString, getAddPrimaryKeyConstraintString, getCascadeConstraintsString, getCastTypeName, getColumnComment, getCreateMultisetTableString, getCreateSequenceString, getCreateSequenceString, getCreateSequenceStrings, getCreateSequenceStrings, getCreateTableString, getCreateTemporaryTablePostfix, getCreateTemporaryTableString, getCurrentTimestampSQLFunctionName, getCurrentTimestampSelectString, getDefaultProperties, getDialect, getDialect, getDropForeignKeyString, getDropSequenceString, getDropSequenceStrings, getForUpdateNowaitString, getForUpdateNowaitString, getForUpdateString, getForUpdateString, getForUpdateString, getFunctions, getHibernateTypeName, getHibernateTypeName, getIdentityColumnString, getIdentityColumnString, getIdentityInsertString, getIdentitySelectString, getIdentitySelectString, getKeywords, getLimitString, getLimitString, getLockingStrategy, getLowercaseFunction, getMaxAliasLength, getNativeIdentifierGeneratorClass, getNoColumnsInsertString, getNullColumnString, getQuerySequencesString, getResultSet, getSelectClauseNullString, getSelectGUIDString, getSelectSequenceNextValString, getSequenceNextValString, getTableComment, getTableTypeString, getTypeName, getTypeName, getViolatedConstraintNameExtracter, hasAlterTable, hasDataTypeInIdentityColumn, hasSelfReferentialForeignKeyBug, isCurrentTimestampSelectStringCallable, openQuote, performTemporaryTableDDLInIsolation, qualifyIndexName, quote, registerColumnType, registerColumnType, registerFunction, registerHibernateType, registerHibernateType, registerKeyword, registerResultSetOutParameter, requiresCastingOfParametersInSelectClause, supportsBindAsCallableArgument, supportsCascadeDelete, supportsCircularCascadeDeleteConstraints, supportsColumnCheck, supportsCommentOn, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExistsInSelect, supportsExpectedLobUsagePattern, supportsIdentityColumns, supportsIfExistsAfterTableName, supportsIfExistsBeforeTableName, supportsInsertSelectIdentity, supportsLimit, supportsLimitOffset, supportsLobValueChangePropogation, supportsNotNullUnique, supportsOuterJoinForUpdate, supportsParametersInInsertSelect, supportsPooledSequences, supportsResultSetPositionQueryMethodsOnForwardOnlyCursor, supportsRowValueConstructorSyntax, supportsRowValueConstructorSyntaxInInList, supportsSequences, supportsSubqueryOnMutatingTable, supportsSubselectAsInPredicateLHS, supportsTableCheck, supportsTemporaryTables, supportsUnboundedLobLocatorMaterialization, supportsUnionAll, supportsUnique, supportsUniqueConstraintInCreateAlterTable, supportsVariableLimit, toBooleanValueString, toString, transformSelectString, useInputStreamToInsertBlob, useMaxForLimit

Methods from org.hibernate.dialect.Dialect:

appendIdentitySelectToInsert, appendLockHint, applyLocksToSql, areStringComparisonsCaseInsensitive, bindLimitParametersFirst, bindLimitParametersInReverseOrder, buildSQLExceptionConverter, closeQuote, createCaseFragment, createOuterJoinFragment, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, dropConstraints, dropTemporaryTableAfterUse, forUpdateOfColumns, forceLimitUsage, generateTemporaryTableName, getAddColumnString, getAddForeignKeyConstraintString, getAddPrimaryKeyConstraintString, getCascadeConstraintsString, getCastTypeName, getColumnComment, getCreateMultisetTableString, getCreateSequenceString, getCreateSequenceString, getCreateSequenceStrings, getCreateSequenceStrings, getCreateTableString, getCreateTemporaryTablePostfix, getCreateTemporaryTableString, getCurrentTimestampSQLFunctionName, getCurrentTimestampSelectString, getDefaultProperties, getDialect, getDialect, getDropForeignKeyString, getDropSequenceString, getDropSequenceStrings, getForUpdateNowaitString, getForUpdateNowaitString, getForUpdateString, getForUpdateString, getForUpdateString, getFunctions, getHibernateTypeName, getHibernateTypeName, getIdentityColumnString, getIdentityColumnString, getIdentityInsertString, getIdentitySelectString, getIdentitySelectString, getKeywords, getLimitString, getLimitString, getLockingStrategy, getLowercaseFunction, getMaxAliasLength, getNativeIdentifierGeneratorClass, getNoColumnsInsertString, getNullColumnString, getQuerySequencesString, getResultSet, getSelectClauseNullString, getSelectGUIDString, getSelectSequenceNextValString, getSequenceNextValString, getTableComment, getTableTypeString, getTypeName, getTypeName, getViolatedConstraintNameExtracter, hasAlterTable, hasDataTypeInIdentityColumn, hasSelfReferentialForeignKeyBug, isCurrentTimestampSelectStringCallable, openQuote, performTemporaryTableDDLInIsolation, qualifyIndexName, quote, registerColumnType, registerColumnType, registerFunction, registerHibernateType, registerHibernateType, registerKeyword, registerResultSetOutParameter, requiresCastingOfParametersInSelectClause, supportsBindAsCallableArgument, supportsCascadeDelete, supportsCircularCascadeDeleteConstraints, supportsColumnCheck, supportsCommentOn, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExistsInSelect, supportsExpectedLobUsagePattern, supportsIdentityColumns, supportsIfExistsAfterTableName, supportsIfExistsBeforeTableName, supportsInsertSelectIdentity, supportsLimit, supportsLimitOffset, supportsLobValueChangePropogation, supportsNotNullUnique, supportsOuterJoinForUpdate, supportsParametersInInsertSelect, supportsPooledSequences, supportsResultSetPositionQueryMethodsOnForwardOnlyCursor, supportsRowValueConstructorSyntax, supportsRowValueConstructorSyntaxInInList, supportsSequences, supportsSubqueryOnMutatingTable, supportsSubselectAsInPredicateLHS, supportsTableCheck, supportsTemporaryTables, supportsUnboundedLobLocatorMaterialization, supportsUnionAll, supportsUnique, supportsUniqueConstraintInCreateAlterTable, supportsVariableLimit, toBooleanValueString, toString, transformSelectString, useInputStreamToInsertBlob, useMaxForLimit

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.hibernate.dialect.PostgreSQLDialect Detail:
public boolean bindLimitParametersInReverseOrder() { return true; }
public boolean dropConstraints() { return true; }
public String getAddColumnString() { return "add column"; }
public String getCascadeConstraintsString() { return "";//" cascade"; }
public String getCreateSequenceString(String sequenceName) { return "create sequence " + sequenceName; //starts with 1, implicitly }
protected String getCreateSequenceString(String sequenceName, int initialValue, int incrementSize) { return getCreateSequenceString( sequenceName ) + " start " + initialValue + " increment " + incrementSize; }
public String getCreateTemporaryTablePostfix() { return "on commit drop"; }
public String getCreateTemporaryTableString() { return "create temporary table"; }
public String getCurrentTimestampSelectString() { return "select now()"; }
public String getDropSequenceString(String sequenceName) { return "drop sequence " + sequenceName; }
public String getForUpdateString(String aliases) { return getForUpdateString() + " of " + aliases; }
public String getIdentityColumnString(int type) { return type==Types.BIGINT ? "bigserial not null" : "serial not null"; }
public String getIdentitySelectString(String table, String column, int type) { return new StringBuffer().append("select currval('") .append(table) .append('_") .append(column) .append("_seq')") .toString(); }
public String getLimitString(String sql, boolean hasOffset) { return new StringBuffer( sql.length()+20 ) .append(sql) .append(hasOffset ? " limit ? offset ?" : " limit ?") .toString(); }
public Class getNativeIdentifierGeneratorClass() { return SequenceGenerator.class; }
public String getNoColumnsInsertString() { return "default values"; }
public String getQuerySequencesString() { return "select relname from pg_class where relkind='S'"; }
public ResultSet getResultSet(CallableStatement ps) throws SQLException { ps.execute(); ResultSet rs = (ResultSet) ps.getObject(1); return rs; }
public String getSelectClauseNullString(int sqlType) { String typeName = getTypeName(sqlType, 1, 1, 0); //trim off the length/precision/scale int loc = typeName.indexOf('("); if (loc >-1) { typeName = typeName.substring(0, loc); } return "null::" + typeName; } Workaround for postgres bug #1453
public String getSelectSequenceNextValString(String sequenceName) { return "nextval ('" + sequenceName + "')"; }
public String getSequenceNextValString(String sequenceName) { return "select " + getSelectSequenceNextValString( sequenceName ); }
public ViolatedConstraintNameExtracter getViolatedConstraintNameExtracter() { return EXTRACTER; }
public boolean hasDataTypeInIdentityColumn() { return false; }
public boolean isCurrentTimestampSelectStringCallable() { return false; }
public int registerResultSetOutParameter(CallableStatement statement, int col) throws SQLException { // Register the type of the out param - PostgreSQL uses Types.OTHER statement.registerOutParameter(col, Types.OTHER); col++; return col; }
public boolean supportsCommentOn() { return true; }
public boolean supportsCurrentTimestampSelection() { return true; }
public boolean supportsEmptyInList() { return false; }
public boolean supportsExpectedLobUsagePattern() { // seems to have spotty LOB suppport return false; }
public boolean supportsIdentityColumns() { return true; }
public boolean supportsLimit() { return true; }
public boolean supportsOuterJoinForUpdate() { return false; }
public boolean supportsPooledSequences() { return true; }
public boolean supportsSequences() { return true; }
public boolean supportsTemporaryTables() { return true; }
public boolean supportsUnionAll() { return true; }
public String toBooleanValueString(boolean bool) { return bool ? "true" : "false"; }
public boolean useInputStreamToInsertBlob() { return false; }