org.hibernate.dialect: public class: SybaseDialect

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

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

Direct Known Subclasses:
SQLServerDialect, SybaseAnywhereDialect, SQLServer7Dialect, Sybase11Dialect

An SQL dialect compatible with Sybase and MS SQL Server.

author: Gavin - King

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

Constructor:
public SybaseDialect() { super(); registerColumnType( Types.BIT, "tinyint" ); //Sybase BIT type does not support null values registerColumnType( Types.BIGINT, "numeric(19,0)" ); registerColumnType( Types.SMALLINT, "smallint" ); registerColumnType( Types.TINYINT, "tinyint" ); registerColumnType( Types.INTEGER, "int" ); registerColumnType( Types.CHAR, "char(1)" ); registerColumnType( Types.VARCHAR, "varchar($l)" ); registerColumnType( Types.FLOAT, "float" ); registerColumnType( Types.DOUBLE, "double precision" ); registerColumnType( Types.DATE, "datetime" ); registerColumnType( Types.TIME, "datetime" ); registerColumnType( Types.TIMESTAMP, "datetime" ); registerColumnType( Types.VARBINARY, "varbinary($l)" ); registerColumnType( Types.NUMERIC, "numeric($p,$s)" ); registerColumnType( Types.BLOB, "image" ); registerColumnType( Types.CLOB, "text" ); registerFunction( "ascii", new StandardSQLFunction("ascii", Hibernate.INTEGER) ); registerFunction( "char", new StandardSQLFunction("char", Hibernate.CHARACTER) ); registerFunction( "len", new StandardSQLFunction("len", Hibernate.LONG) ); registerFunction( "lower", new StandardSQLFunction("lower") ); registerFunction( "upper", new StandardSQLFunction("upper") ); registerFunction( "str", new StandardSQLFunction("str", Hibernate.STRING) ); registerFunction( "ltrim", new StandardSQLFunction("ltrim") ); registerFunction( "rtrim", new StandardSQLFunction("rtrim") ); registerFunction( "reverse", new StandardSQLFunction("reverse") ); registerFunction( "space", new StandardSQLFunction("space", Hibernate.STRING) ); registerFunction( "user", new NoArgSQLFunction("user", Hibernate.STRING) ); registerFunction( "current_timestamp", new NoArgSQLFunction("getdate", Hibernate.TIMESTAMP) ); registerFunction( "current_time", new NoArgSQLFunction("getdate", Hibernate.TIME) ); registerFunction( "current_date", new NoArgSQLFunction("getdate", Hibernate.DATE) ); registerFunction( "getdate", new NoArgSQLFunction("getdate", Hibernate.TIMESTAMP) ); registerFunction( "getutcdate", new NoArgSQLFunction("getutcdate", Hibernate.TIMESTAMP) ); registerFunction( "day", new StandardSQLFunction("day", Hibernate.INTEGER) ); registerFunction( "month", new StandardSQLFunction("month", Hibernate.INTEGER) ); registerFunction( "year", new StandardSQLFunction("year", Hibernate.INTEGER) ); registerFunction( "datename", new StandardSQLFunction("datename", Hibernate.STRING) ); 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( "log", new StandardSQLFunction( "log", Hibernate.DOUBLE) ); registerFunction( "log10", new StandardSQLFunction("log10", Hibernate.DOUBLE) ); registerFunction( "sin", new StandardSQLFunction("sin", Hibernate.DOUBLE) ); registerFunction( "sqrt", new StandardSQLFunction("sqrt", Hibernate.DOUBLE) ); registerFunction( "tan", new StandardSQLFunction("tan", Hibernate.DOUBLE) ); registerFunction( "pi", new NoArgSQLFunction("pi", Hibernate.DOUBLE) ); registerFunction( "square", new StandardSQLFunction("square") ); registerFunction( "rand", new StandardSQLFunction("rand", Hibernate.FLOAT) ); registerFunction("radians", new StandardSQLFunction("radians", Hibernate.DOUBLE) ); registerFunction("degrees", new StandardSQLFunction("degrees", Hibernate.DOUBLE) ); registerFunction( "round", new StandardSQLFunction("round") ); registerFunction( "ceiling", new StandardSQLFunction("ceiling") ); registerFunction( "floor", new StandardSQLFunction("floor") ); registerFunction( "isnull", new StandardSQLFunction("isnull") ); registerFunction( "concat", new VarArgsSQLFunction( Hibernate.STRING, "(","+",")" ) ); registerFunction( "length", new StandardSQLFunction( "len", Hibernate.INTEGER ) ); registerFunction( "trim", new SQLFunctionTemplate( Hibernate.STRING, "ltrim(rtrim(?1))") ); registerFunction( "locate", new CharIndexFunction() ); getDefaultProperties().setProperty(Environment.STATEMENT_BATCH_SIZE, NO_BATCH); }

Constructor:

 public SybaseDialect() {
		super();
		registerColumnType( Types.BIT, "tinyint" ); //Sybase BIT type does not support null values
		registerColumnType( Types.BIGINT, "numeric(19,0)" );
		registerColumnType( Types.SMALLINT, "smallint" );
		registerColumnType( Types.TINYINT, "tinyint" );
		registerColumnType( Types.INTEGER, "int" );
		registerColumnType( Types.CHAR, "char(1)" );
		registerColumnType( Types.VARCHAR, "varchar($l)" );
		registerColumnType( Types.FLOAT, "float" );
		registerColumnType( Types.DOUBLE, "double precision" );
		registerColumnType( Types.DATE, "datetime" );
		registerColumnType( Types.TIME, "datetime" );
		registerColumnType( Types.TIMESTAMP, "datetime" );
		registerColumnType( Types.VARBINARY, "varbinary($l)" );
		registerColumnType( Types.NUMERIC, "numeric($p,$s)" );
		registerColumnType( Types.BLOB, "image" );
		registerColumnType( Types.CLOB, "text" );
		registerFunction( "ascii", new StandardSQLFunction("ascii", Hibernate.INTEGER) );
		registerFunction( "char", new StandardSQLFunction("char", Hibernate.CHARACTER) );
		registerFunction( "len", new StandardSQLFunction("len", Hibernate.LONG) );
		registerFunction( "lower", new StandardSQLFunction("lower") );
		registerFunction( "upper", new StandardSQLFunction("upper") );
		registerFunction( "str", new StandardSQLFunction("str", Hibernate.STRING) );
		registerFunction( "ltrim", new StandardSQLFunction("ltrim") );
		registerFunction( "rtrim", new StandardSQLFunction("rtrim") );
		registerFunction( "reverse", new StandardSQLFunction("reverse") );
		registerFunction( "space", new StandardSQLFunction("space", Hibernate.STRING) );
		registerFunction( "user", new NoArgSQLFunction("user", Hibernate.STRING) );
		registerFunction( "current_timestamp", new NoArgSQLFunction("getdate", Hibernate.TIMESTAMP) );
		registerFunction( "current_time", new NoArgSQLFunction("getdate", Hibernate.TIME) );
		registerFunction( "current_date", new NoArgSQLFunction("getdate", Hibernate.DATE) );
		registerFunction( "getdate", new NoArgSQLFunction("getdate", Hibernate.TIMESTAMP) );
		registerFunction( "getutcdate", new NoArgSQLFunction("getutcdate", Hibernate.TIMESTAMP) );
		registerFunction( "day", new StandardSQLFunction("day", Hibernate.INTEGER) );
		registerFunction( "month", new StandardSQLFunction("month", Hibernate.INTEGER) );
		registerFunction( "year", new StandardSQLFunction("year", Hibernate.INTEGER) );
		registerFunction( "datename", new StandardSQLFunction("datename", Hibernate.STRING) );
		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( "log", new StandardSQLFunction( "log", Hibernate.DOUBLE) );
		registerFunction( "log10", new StandardSQLFunction("log10", Hibernate.DOUBLE) );
		registerFunction( "sin", new StandardSQLFunction("sin", Hibernate.DOUBLE) );
		registerFunction( "sqrt", new StandardSQLFunction("sqrt", Hibernate.DOUBLE) );
		registerFunction( "tan", new StandardSQLFunction("tan", Hibernate.DOUBLE) );
		registerFunction( "pi", new NoArgSQLFunction("pi", Hibernate.DOUBLE) );
		registerFunction( "square", new StandardSQLFunction("square") );
		registerFunction( "rand", new StandardSQLFunction("rand", Hibernate.FLOAT) );
		registerFunction("radians", new StandardSQLFunction("radians", Hibernate.DOUBLE) );
		registerFunction("degrees", new StandardSQLFunction("degrees", Hibernate.DOUBLE) );
		registerFunction( "round", new StandardSQLFunction("round") );
		registerFunction( "ceiling", new StandardSQLFunction("ceiling") );
		registerFunction( "floor", new StandardSQLFunction("floor") );
		registerFunction( "isnull", new StandardSQLFunction("isnull") );
		registerFunction( "concat", new VarArgsSQLFunction( Hibernate.STRING, "(","+",")" ) );
		registerFunction( "length", new StandardSQLFunction( "len", Hibernate.INTEGER ) );
		registerFunction( "trim", new SQLFunctionTemplate( Hibernate.STRING, "ltrim(rtrim(?1))") );
		registerFunction( "locate", new CharIndexFunction() );
		getDefaultProperties().setProperty(Environment.STATEMENT_BATCH_SIZE, NO_BATCH);
}

Method from org.hibernate.dialect.SybaseDialect Summary:
appendIdentitySelectToInsert, appendLockHint, applyLocksToSql, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, dropTemporaryTableAfterUse, generateTemporaryTableName, getAddColumnString, getCurrentTimestampSelectString, getForUpdateString, getIdentityColumnString, getIdentitySelectString, getNullColumnString, getResultSet, isCurrentTimestampSelectStringCallable, qualifyIndexName, registerResultSetOutParameter, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExistsInSelect, supportsIdentityColumns, supportsInsertSelectIdentity, supportsTemporaryTables

Method from org.hibernate.dialect.SybaseDialect Summary:

appendIdentitySelectToInsert, appendLockHint, applyLocksToSql, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, dropTemporaryTableAfterUse, generateTemporaryTableName, getAddColumnString, getCurrentTimestampSelectString, getForUpdateString, getIdentityColumnString, getIdentitySelectString, getNullColumnString, getResultSet, isCurrentTimestampSelectStringCallable, qualifyIndexName, registerResultSetOutParameter, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExistsInSelect, supportsIdentityColumns, supportsInsertSelectIdentity, supportsTemporaryTables

Methods from org.hibernate.dialect.Dialect:
appendIdentitySelectToInsert, appendLockHint, applyLocksToSql, areStringComparisonsCaseInsensitive, bindLimitParametersFirst, bindLimitParametersInReverseOrder, buildSQLExceptionConverter, closeQuote, createCaseFragment, createOuterJoinFragment, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, dropConstraints, dropTemporaryTableAfterUse, forUpdateOfColumns, 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, 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, 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, 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.SybaseDialect Detail:
public String appendIdentitySelectToInsert(String insertSQL) { return insertSQL + "\nselect @@identity"; }
public String appendLockHint(LockMode mode, String tableName) { if ( mode.greaterThan( LockMode.READ ) ) { return tableName + " holdlock"; } else { return tableName; } }
public String applyLocksToSql(String sql, Map aliasedLockModes, Map keyColumnNames) { Iterator itr = aliasedLockModes.entrySet().iterator(); StringBuffer buffer = new StringBuffer( sql ); int correction = 0; while ( itr.hasNext() ) { final Map.Entry entry = ( Map.Entry ) itr.next(); final LockMode lockMode = ( LockMode ) entry.getValue(); if ( lockMode.greaterThan( LockMode.READ ) ) { final String alias = ( String ) entry.getKey(); int start = -1, end = -1; if ( sql.endsWith( " " + alias ) ) { start = ( sql.length() - alias.length() ) + correction; end = start + alias.length(); } else { int position = sql.indexOf( " " + alias + " " ); if ( position < = -1 ) { position = sql.indexOf( " " + alias + "," ); } if ( position > -1 ) { start = position + correction + 1; end = start + alias.length(); } } if ( start > -1 ) { final String lockHint = appendLockHint( lockMode, alias ); buffer.replace( start, end, lockHint ); correction += ( lockHint.length() - alias.length() ); } } } return buffer.toString(); }
public boolean doesReadCommittedCauseWritersToBlockReaders() { return true; }
public boolean doesRepeatableReadCauseReadersToBlockWriters() { return true; }
public boolean dropTemporaryTableAfterUse() { return true; // sql-server, at least needed this dropped after use; strange! }
public String generateTemporaryTableName(String baseTableName) { return "#" + baseTableName; }
public String getAddColumnString() { return "add"; }
public String getCurrentTimestampSelectString() { return "select getdate()"; }
public String getForUpdateString() { return ""; }
public String getIdentityColumnString() { return "identity not null"; //starts with 1, implicitly }
public String getIdentitySelectString() { return "select @@identity"; }
public String getNullColumnString() { return " null"; }
public ResultSet getResultSet(CallableStatement ps) throws SQLException { boolean isResultSet = ps.execute(); // This assumes you will want to ignore any update counts while ( !isResultSet && ps.getUpdateCount() != -1 ) { isResultSet = ps.getMoreResults(); } // You may still have other ResultSets or update counts left to process here // but you can't do it now or the ResultSet you just got will be closed return ps.getResultSet(); }
public boolean isCurrentTimestampSelectStringCallable() { return false; }
public boolean qualifyIndexName() { return false; }
public int registerResultSetOutParameter(CallableStatement statement, int col) throws SQLException { return col; // sql server just returns automatically }
public boolean supportsCurrentTimestampSelection() { return true; }
public boolean supportsEmptyInList() { return false; }
public boolean supportsExistsInSelect() { return false; }
public boolean supportsIdentityColumns() { return true; }
public boolean supportsInsertSelectIdentity() { return true; }
public boolean supportsTemporaryTables() { return true; }