org.apache.lucene.store.jdbc.dialect
Class DB2Dialect

java.lang.Object
  org.apache.lucene.store.jdbc.dialect.Dialect
      org.apache.lucene.store.jdbc.dialect.DB2Dialect

Direct Known Subclasses:

DerbyDialect

public class DB2Dialect
extends Dialect

A DB2 dialect.

Author:

kimchy

Constructor Summary

DB2Dialect()

Method Summary

String	getBitType() The database BIT type.
String	getBlobType(long length) The database blob type for the given length.
String	getCurrentTimestampFunction() The database current timestamp function that is used with several sql updates.
String	getCurrentTimestampSelectString() The database current time stamp select query.
String	getNumberType() The database number type.
String	getTimestampType() The database TIMESTAMP type.
String	getVarcharType(int length) The database varchar type for the given length.
boolean	isCurrentTimestampSelectStringCallable() If the current timestamp select queyr is a callable query or not.
boolean	supportsCurrentTimestampSelection() DB2 supports current timestamp selection.
boolean	supportsForUpdate() DB2 supports select ... for update.

Methods inherited from class org.apache.lucene.store.jdbc.dialect.Dialect

closeBlobSelectQuote, closeQuote, getCascadeConstraintsString, getForUpdateNowaitString, getForUpdateString, getTableTypeString, openBlobSelectQuote, openQuote, processSettings, sqlTableExists, supportsIfExistsAfterTableName, supportsIfExistsBeforeTableName, supportsTableExists, supportTransactionalScopedBlobs, useExistsBeforeInsertLock, useInputStreamToInsertBlob

Methods inherited from class java.lang.Object

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

Constructor Detail

DB2Dialect

public DB2Dialect()

Method Detail

supportsForUpdate

public boolean supportsForUpdate()

DB2 supports select ... for update.

Specified by:

supportsForUpdate in class Dialect

supportsCurrentTimestampSelection

public boolean supportsCurrentTimestampSelection()

DB2 supports current timestamp selection.

Overrides:

supportsCurrentTimestampSelection in class Dialect

getCurrentTimestampSelectString

public String getCurrentTimestampSelectString()

Description copied from class: Dialect

The database current time stamp select query.

Overrides:

getCurrentTimestampSelectString in class Dialect

isCurrentTimestampSelectStringCallable

public boolean isCurrentTimestampSelectStringCallable()

Description copied from class: Dialect

If the current timestamp select queyr is a callable query or not.

Overrides:

isCurrentTimestampSelectStringCallable in class Dialect

getVarcharType

public String getVarcharType(int length)

Description copied from class: Dialect

The database varchar type for the given length. The length is in chars.

Specified by:

getVarcharType in class Dialect

getBlobType

public String getBlobType(long length)

Description copied from class: Dialect

The database blob type for the given length. The length is in KB.

Specified by:

getBlobType in class Dialect

getNumberType

public String getNumberType()

Description copied from class: Dialect

The database number type.

Specified by:

getNumberType in class Dialect

getTimestampType

public String getTimestampType()

Description copied from class: Dialect

The database TIMESTAMP type.

Specified by:

getTimestampType in class Dialect

getCurrentTimestampFunction

public String getCurrentTimestampFunction()

Description copied from class: Dialect

The database current timestamp function that is used with several sql updates.

Specified by:

getCurrentTimestampFunction in class Dialect

getBitType

public String getBitType()

Description copied from class: Dialect

The database BIT type.

Specified by:

getBitType in class Dialect