er.extensions.jdbc
Class ERXSQLHelper.DerbySQLHelper

java.lang.Object
  er.extensions.jdbc.ERXSQLHelper
      er.extensions.jdbc.ERXSQLHelper.DerbySQLHelper

Enclosing class:

ERXSQLHelper

public static class ERXSQLHelper.DerbySQLHelper
extends ERXSQLHelper

Nested Class Summary

Nested classes/interfaces inherited from class er.extensions.jdbc.ERXSQLHelper

ERXSQLHelper.ColumnIndex, ERXSQLHelper.CustomTypes, ERXSQLHelper.DerbySQLHelper, ERXSQLHelper.EROracleSQLHelper, ERXSQLHelper.FrontBaseSQLHelper, ERXSQLHelper.MicrosoftSQLHelper, ERXSQLHelper.MySQLSQLHelper, ERXSQLHelper.OpenBaseSQLHelper, ERXSQLHelper.OracleSQLHelper, ERXSQLHelper.PostgresqlSQLHelper

Field Summary

Fields inherited from class er.extensions.jdbc.ERXSQLHelper

log

Constructor Summary

ERXSQLHelper.DerbySQLHelper()

Method Summary

String	migrationTableName() Returns the name of the table to use for database migrations.
boolean	shouldExecute(String sql)
String	sqlForCreateUniqueIndex(String indexName, String tableName, ERXSQLHelper.ColumnIndex... columnIndexes) Returns the SQL expression for creating a unique index on the given set of columns

Methods inherited from class er.extensions.jdbc.ERXSQLHelper

_groupByOrHavingIndex, _orderByIndex, addGroupByClauseToExpression, addGroupByClauseToExpression, addHavingCountClauseToExpression, appendItemToListString, attributesToFetchForEntity, columnIndexesFromColumnNames, columnNamesFromColumnIndexes, commandSeparatorChar, commandSeparatorString, commentPattern, createDependentSchemaSQLForEntities, createIndexSQLForEntities, createIndexSQLForEntities, createSchemaSQLForEntitiesInDatabaseContext, createSchemaSQLForEntitiesInModel, createSchemaSQLForEntitiesInModelAndOptions, createSchemaSQLForEntitiesInModelWithName, createSchemaSQLForEntitiesInModelWithNameAndOptions, createSchemaSQLForEntitiesWithOptions, createSchemaSQLForEntitiesWithOptions, customQueryExpressionHintAsString, defaultOptionDictionary, externalTypeForJDBCType, formatValueForAttribute, getNextValFromSequenceNamed, jdbcTypeForCustomType, limitExpressionForSQL, newSQLHelper, newSQLHelper, newSQLHelper, newSQLHelper, newSQLHelper, newSQLHelper, newSQLHelper, newSQLHelper, newSQLHelper, prepareConnectionForSchemaChange, readFormatForAggregateFunction, reassignExternalTypeForValueTypeOverride, removeSelectFromExpression, restoreConnectionSettingsAfterSchemaChange, rowCountForFetchSpecification, splitSQLStatements, splitSQLStatementsFromFile, splitSQLStatementsFromInputStream, sqlExpressionForFetchSpecification, sqlExpressionForFetchSpecification, sqlForCreateIndex, sqlForCreateIndex, sqlForCreateUniqueIndex, sqlForFullTextQuery, sqlForGetNextValFromSequencedNamed, sqlForRegularExpressionQuery, sqlWhereClauseStringForKey, varcharLargeColumnWidth, varcharLargeJDBCType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ERXSQLHelper.DerbySQLHelper

public ERXSQLHelper.DerbySQLHelper()

Method Detail

shouldExecute

public boolean shouldExecute(String sql)

Overrides:

shouldExecute in class ERXSQLHelper

sqlForCreateUniqueIndex

public String sqlForCreateUniqueIndex(String indexName,
                                      String tableName,
                                      ERXSQLHelper.ColumnIndex... columnIndexes)

Description copied from class: ERXSQLHelper

Returns the SQL expression for creating a unique index on the given set of columns

Overrides:

sqlForCreateUniqueIndex in class ERXSQLHelper

Parameters:

indexName - the name of the index to create

tableName - the name of the containing table

columnIndexes - the list of columns to index on

Returns:

a SQL expression

migrationTableName

public String migrationTableName()

Description copied from class: ERXSQLHelper

Returns the name of the table to use for database migrations.

Overrides:

migrationTableName in class ERXSQLHelper

Returns:

the name of the table to use for database migrations