org.apache.lucene.store.jdbc.dialect
Class H2Dialect

java.lang.Object
  org.apache.lucene.store.jdbc.dialect.Dialect
      org.apache.lucene.store.jdbc.dialect.H2Dialect

public class H2Dialect
extends Dialect

A H2 dialect.

Author:

kimchy

Constructor Summary

H2Dialect()

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	getForUpdateString() Does this dialect support the FOR UPDATE syntax?
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	supportsForUpdate() Does the database supports select ... for update sql clause?
boolean	supportsIfExistsAfterTableName() Does the database support "if exists" after the table name when constructing a sql drop for the table.
boolean	supportTransactionalScopedBlobs() Does the database (or the jdbc driver) supports transactional blob.

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

closeBlobSelectQuote, closeQuote, getCascadeConstraintsString, getCurrentTimestampSelectString, getForUpdateNowaitString, getTableTypeString, isCurrentTimestampSelectStringCallable, openBlobSelectQuote, openQuote, processSettings, sqlTableExists, supportsCurrentTimestampSelection, supportsIfExistsBeforeTableName, supportsTableExists, useExistsBeforeInsertLock, useInputStreamToInsertBlob

Methods inherited from class java.lang.Object

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

Constructor Detail

H2Dialect

public H2Dialect()

Method Detail

supportsForUpdate

public boolean supportsForUpdate()

Description copied from class: Dialect

Does the database supports select ... for update sql clause?

Specified by:

supportsForUpdate in class Dialect

getForUpdateString

public String getForUpdateString()

Description copied from class: Dialect

Does this dialect support the FOR UPDATE syntax? Defaults to for update.

Overrides:

getForUpdateString in class Dialect

supportTransactionalScopedBlobs

public boolean supportTransactionalScopedBlobs()

Description copied from class: Dialect

Does the database (or the jdbc driver) supports transactional blob. Is so, can be used with the FetchPerTransactionJdbcIndexInput. Defaults to false.

Overrides:

supportTransactionalScopedBlobs in class Dialect

supportsIfExistsAfterTableName

public boolean supportsIfExistsAfterTableName()

Description copied from class: Dialect

Does the database support "if exists" after the table name when constructing a sql drop for the table. Defaults to false.

Overrides:

supportsIfExistsAfterTableName 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