org.apache.openjpa.jdbc.sql
Class H2Dictionary

java.lang.Object
  org.apache.openjpa.jdbc.sql.DBDictionary
      org.apache.openjpa.jdbc.sql.H2Dictionary

All Implemented Interfaces:

JoinSyntaxes, Configurable, ConnectionDecorator, LoggingConnectionDecorator.SQLWarningHandler

public class H2Dictionary
extends DBDictionary

Support for the H2 database (http://www.h2database.com).

Since:

0.9.7

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.openjpa.jdbc.sql.DBDictionary

DBDictionary.SerializedData

Field Summary

Fields inherited from class org.apache.openjpa.jdbc.sql.DBDictionary

allowsAliasInBulkClause, arrayTypeName, autoAssignClause, autoAssignTypeName, bigintTypeName, binaryTypeName, bitLengthFunction, bitTypeName, blobTypeName, booleanTypeName, castFunction, catalogSeparator, CENTI, characterColumnSize, charTypeName, clobTypeName, closePoolSQL, concatenateDelimiter, concatenateFunction, conf, connected, CONS_NAME_AFTER, CONS_NAME_BEFORE, CONS_NAME_MID, constraintNameMode, createPrimaryKeys, crossJoinClause, currentDateFunction, currentTimeFunction, currentTimestampFunction, datePrecision, dateTypeName, DECI, decimalTypeName, distinctCountColumnSeparator, distinctTypeName, doubleTypeName, driverVendor, dropTableSQL, fixedSizeTypeNames, fixedSizeTypeNameSet, floatTypeName, forUpdateClause, getStringVal, inClauseLimit, initializationSQL, innerJoinClause, integerTypeName, javaObjectTypeName, joinSyntax, lastGeneratedKeyQuery, log, longVarbinaryTypeName, longVarcharTypeName, maxAutoAssignNameLength, maxColumnNameLength, maxConstraintNameLength, maxEmbeddedBlobSize, maxEmbeddedClobSize, maxIndexesPerTable, maxIndexNameLength, maxTableNameLength, MICRO, MILLI, NAME_ANY, NAME_SEQUENCE, NAME_TABLE, NANO, nextSequenceQuery, nullTypeName, numericTypeName, otherTypeName, outerJoinClause, platform, RANGE_POST_DISTINCT, RANGE_POST_LOCK, RANGE_POST_SELECT, RANGE_PRE_DISTINCT, rangePosition, realTypeName, refTypeName, requiresAliasForSubselect, requiresAutoCommitForMetaData, requiresCastForComparisons, requiresCastForMathFunctions, requiresConditionForCrossJoin, reservedWords, reservedWordSet, SCHEMA_CASE_LOWER, SCHEMA_CASE_PRESERVE, SCHEMA_CASE_UPPER, schemaCase, searchStringEscape, SEC, selectWordSet, sequenceNameSQL, sequenceSchemaSQL, sequenceSQL, simulateLocking, smallintTypeName, storageLimitationsFatal, storeCharsAsNumbers, storeLargeNumbersAsStrings, stringLengthFunction, structTypeName, substringFunctionName, supportsAlterTableWithAddColumn, supportsAlterTableWithDropColumn, supportsAutoAssign, supportsCascadeDeleteAction, supportsCascadeUpdateAction, supportsCorrelatedSubselect, supportsDefaultDeleteAction, supportsDefaultUpdateAction, supportsDeferredConstraints, supportsForeignKeys, supportsHaving, supportsLockingWithDistinctClause, supportsLockingWithInnerJoin, supportsLockingWithMultipleTables, supportsLockingWithOrderClause, supportsLockingWithOuterJoin, supportsLockingWithSelectRange, supportsModOperator, supportsMultipleNontransactionalResultSets, supportsNullDeleteAction, supportsNullTableForGetColumns, supportsNullTableForGetImportedKeys, supportsNullTableForGetIndexInfo, supportsNullTableForGetPrimaryKeys, supportsNullUpdateAction, supportsQueryTimeout, supportsRestrictDeleteAction, supportsRestrictUpdateAction, supportsSchemaForGetColumns, supportsSchemaForGetTables, supportsSelectEndIndex, supportsSelectForUpdate, supportsSelectStartIndex, supportsSubselect, supportsTimestampNanos, supportsUniqueConstraints, supportsXMLColumn, systemSchemas, systemSchemaSet, systemTables, systemTableSet, tableForUpdateClause, tableTypes, timestampTypeName, timeTypeName, tinyintTypeName, toLowerCaseFunction, toUpperCaseFunction, trimBothFunction, trimLeadingFunction, trimTrailingFunction, useGetBestRowIdentifierForPrimaryKeys, useGetBytesForBlobs, useGetObjectForBlobs, useGetStringForClobs, useSchemaName, useSetBytesForBlobs, useSetStringForClobs, validationSQL, varbinaryTypeName, varcharTypeName, VENDOR_DATADIRECT, VENDOR_OTHER, xmlTypeName

Fields inherited from interface org.apache.openjpa.jdbc.sql.JoinSyntaxes

SYNTAX_DATABASE, SYNTAX_SQL92, SYNTAX_TRADITIONAL

Constructor Summary

H2Dictionary()

Method Summary

protected void	appendSelectRange(SQLBuffer buf, long start, long end, boolean subselect) If this dictionary can select ranges, use this method to append the range SQL.
String[]	getAddColumnSQL(Column column) Return a series of SQL statements to add the given column to its table.
String[]	getAddPrimaryKeySQL(PrimaryKey pk) Return a series of SQL statements to add the given primary key to its table.
Column[]	getColumns(DatabaseMetaData meta, String catalog, String schemaName, String tableName, String columnName, Connection conn) Reflect on the schema to find columns matching the given table and column patterns.
String[]	getCreateTableSQL(Table table) Return a series of SQL statements to create the given table, complete with columns.
String[]	getDropPrimaryKeySQL(PrimaryKey pk) Return a series of SQL statements to drop the given primary key from its table.
int	getJDBCType(int metaTypeCode, boolean lob) Return the preferred Types constant for the given JavaTypes or JavaSQLTypes constant.
int	getPreferredType(int type) Return the preferred Types type for the given one.
protected String	getPrimaryKeyConstraintSQL(PrimaryKey pk) Return the declaration SQL for the given primary key.
protected String	getSequencesSQL(String schemaName, String sequenceName) Return the SQL needed to select the list of sequences.
void	indexOf(SQLBuffer buf, FilterValue str, FilterValue find, FilterValue start) Invoke this database's indexOf function.
boolean	isSystemIndex(String name, Table table) This method is used to filter system indexes from database metadata.
void	substring(SQLBuffer buf, FilterValue str, FilterValue start, FilterValue end) Invoke this database's substring function.

Methods inherited from class org.apache.openjpa.jdbc.sql.DBDictionary

addCastAsType, appendCast, appendLength, appendNumericCast, appendSize, appendUpdates, appendXmlComparison, assertSupport, canOuterJoin, closeDataSource, comparison, connectedConfiguration, convertSchemaCase, createIndexIfNecessary, decorate, endConfiguration, getAddForeignKeySQL, getArray, getAsciiStream, getBigDecimal, getBigInteger, getBinaryStream, getBlob, getBlobObject, getBoolean, getByte, getBytes, getCalendar, getCastFunction, getCatalogNameForMetadata, getChar, getCharacterStream, getClob, getClobString, getColumnNameForMetadata, getCreateIndexSQL, getCreateSequenceSQL, getDate, getDate, getDeclareColumnSQL, getDeleteTableContentsSQL, getDouble, getDropColumnSQL, getDropForeignKeySQL, getDropIndexSQL, getDropSequenceSQL, getDropTableSQL, getFloat, getForeignKeyConstraintSQL, getForUpdateClause, getFrom, getFromSelect, getFullName, getFullName, getFullName, getGeneratedKey, getGeneratedKeySequenceName, getImportedKeys, getIndexInfo, getInt, getLocale, getLong, getNumber, getObject, getPlaceholderValueString, getPrimaryKeys, getPrimaryKeysFromBestRowIdentifier, getPrimaryKeysFromGetPrimaryKeys, getRef, getSchemaCase, getSchemaNameForMetadata, getSelectOperation, getSelects, getSequences, getShort, getString, getTableNameForMetadata, getTables, getTime, getTimestamp, getTypeName, getTypeName, getUniqueConstraintSQL, getValidColumnName, getValidForeignKeyName, getValidIndexName, getValidPrimaryKeyName, getValidSequenceName, getValidTableName, getValidUniqueName, getVersionColumn, getWhere, handleWarning, isSelect, isSystemSequence, isSystemTable, makeNameValid, mathFunction, newColumn, newForeignKey, newIndex, newPrimaryKey, newSequence, newStoreException, newTable, putBytes, putChars, putString, refSchemaComponents, serialize, setArray, setAsciiStream, setBigDecimal, setBigInteger, setBinaryStream, setBlob, setBlobObject, setBoolean, setByte, setBytes, setCalendar, setChar, setCharacterStream, setClob, setClobString, setConfiguration, setDate, setDate, setDouble, setFloat, setInt, setJoinSyntax, setLocale, setLong, setNull, setNumber, setObject, setRef, setShort, setString, setTime, setTimestamp, setTyped, setUnknown, shorten, startConfiguration, storageWarning, supportsDeferredForeignKeyConstraints, supportsDeferredUniqueConstraints, supportsDeleteAction, supportsLocking, supportsRandomAccessResultSet, supportsUpdateAction, toBulkOperation, toDelete, toNativeJoin, toOperation, toOperation, toSelect, toSelect, toSelect, toSelect, toSelect, toSelectCount, toSQL92Join, toTraditionalJoin, toUpdate

Methods inherited from class java.lang.Object

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

Constructor Detail

H2Dictionary

public H2Dictionary()

Method Detail

getJDBCType

public int getJDBCType(int metaTypeCode,
                       boolean lob)

Description copied from class: DBDictionary

Return the preferred Types constant for the given JavaTypes or JavaSQLTypes constant.

Overrides:

getJDBCType in class DBDictionary

getPreferredType

public int getPreferredType(int type)

Description copied from class: DBDictionary

Return the preferred Types type for the given one. Returns the given type by default.

Overrides:

getPreferredType in class DBDictionary

getAddPrimaryKeySQL

public String[] getAddPrimaryKeySQL(PrimaryKey pk)

Description copied from class: DBDictionary

Return a series of SQL statements to add the given primary key to its table. Return an empty array if operation not supported. Returns ALTER TABLE <table name> ADD <pk cons sql > by default.

Overrides:

getAddPrimaryKeySQL in class DBDictionary

getDropPrimaryKeySQL

public String[] getDropPrimaryKeySQL(PrimaryKey pk)

Description copied from class: DBDictionary

Return a series of SQL statements to drop the given primary key from its table. Return an empty array if operation not supported. Returns ALTER TABLE <table name> DROP CONSTRAINT <pk name> by default.

Overrides:

getDropPrimaryKeySQL in class DBDictionary

getAddColumnSQL

public String[] getAddColumnSQL(Column column)

Description copied from class: DBDictionary

Return a series of SQL statements to add the given column to its table. Return an empty array if operation not supported. Returns ALTER TABLE <table name> ADD (<col dec>) by default.

Overrides:

getAddColumnSQL in class DBDictionary

getCreateTableSQL

public String[] getCreateTableSQL(Table table)

Description copied from class: DBDictionary

Return a series of SQL statements to create the given table, complete with columns. Indexes and constraints will be created separately.

Overrides:

getCreateTableSQL in class DBDictionary

getPrimaryKeyConstraintSQL

protected String getPrimaryKeyConstraintSQL(PrimaryKey pk)

Description copied from class: DBDictionary

Return the declaration SQL for the given primary key. This method is used from within DBDictionary.getCreateTableSQL(org.apache.openjpa.jdbc.schema.Table) and DBDictionary.getAddPrimaryKeySQL(org.apache.openjpa.jdbc.schema.PrimaryKey). Returns CONSTRAINT <pk name> PRIMARY KEY (<col list>) by default.

Overrides:

getPrimaryKeyConstraintSQL in class DBDictionary

isSystemIndex

public boolean isSystemIndex(String name,
                             Table table)

Description copied from class: DBDictionary

This method is used to filter system indexes from database metadata. Return true if the given index name represents a system index that should not appear in the schema definition. Returns false by default.

Overrides:

isSystemIndex in class DBDictionary

Parameters:

name - the index name

table - the index table

getSequencesSQL

protected String getSequencesSQL(String schemaName,
                                 String sequenceName)

Description copied from class: DBDictionary

Return the SQL needed to select the list of sequences.

Overrides:

getSequencesSQL in class DBDictionary

getColumns

public Column[] getColumns(DatabaseMetaData meta,
                           String catalog,
                           String schemaName,
                           String tableName,
                           String columnName,
                           Connection conn)
                    throws SQLException

Description copied from class: DBDictionary

Reflect on the schema to find columns matching the given table and column patterns.

Overrides:

getColumns in class DBDictionary

Throws:

SQLException

appendSelectRange

protected void appendSelectRange(SQLBuffer buf,
                                 long start,
                                 long end,
                                 boolean subselect)

Description copied from class: DBDictionary

If this dictionary can select ranges, use this method to append the range SQL.

Overrides:

appendSelectRange in class DBDictionary

substring

public void substring(SQLBuffer buf,
                      FilterValue str,
                      FilterValue start,
                      FilterValue end)

Description copied from class: DBDictionary

Invoke this database's substring function.

Overrides:

substring in class DBDictionary

Parameters:

buf - the SQL buffer to write the substring invocation to

str - a query value representing the target string

start - a query value representing the start index

end - a query value representing the end index, or null for none

indexOf

public void indexOf(SQLBuffer buf,
                    FilterValue str,
                    FilterValue find,
                    FilterValue start)

Description copied from class: DBDictionary

Invoke this database's indexOf function.

Overrides:

indexOf in class DBDictionary

Parameters:

buf - the SQL buffer to write the indexOf invocation to

str - a query value representing the target string

find - a query value representing the search string

start - a query value representing the start index, or null to start at the beginning