Class SpannerIdentityColumnSupport

java.lang.Object

org.hibernate.dialect.identity.IdentityColumnSupportImpl

org.hibernate.dialect.identity.SpannerIdentityColumnSupport

All Implemented Interfaces:

IdentityColumnSupport

public class SpannerIdentityColumnSupport
extends IdentityColumnSupportImpl

Identity column support for Spanner.

Field Summary

Fields

Modifier and Type	Field	Description
static final SpannerIdentityColumnSupport	INSTANCE

Method Summary

Modifier and Type	Method	Description
String	getIdentityColumnString(int type)	The syntax used during DDL to define a column as being an IDENTITY of a particular type.
String	getIdentitySelectString(String table, String column, int type)	Get the select command to use to retrieve the last generated IDENTITY value for a particular table
boolean	supportsIdentityColumns()	Does this dialect support identity column key generation?

Methods inherited from class IdentityColumnSupportImpl

appendIdentitySelectToInsert, buildGetGeneratedKeysDelegate, getIdentityInsertString, hasDataTypeInIdentityColumn, supportsInsertSelectIdentity

Methods inherited from class Object

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

Methods inherited from interface IdentityColumnSupport

appendIdentitySelectToInsert, hasIdentityInsertKeyword

Field Details

INSTANCE

public static final SpannerIdentityColumnSupport INSTANCE

Method Details

supportsIdentityColumns

public boolean supportsIdentityColumns()

Description copied from interface: IdentityColumnSupport

Does this dialect support identity column key generation?

Specified by:

supportsIdentityColumns in interface IdentityColumnSupport

Overrides:

supportsIdentityColumns in class IdentityColumnSupportImpl

Returns:

True if IDENTITY columns are supported; false otherwise.

getIdentitySelectString

public String getIdentitySelectString(String table,
 String column,
 int type)
                               throws MappingException

Description copied from interface: IdentityColumnSupport

Get the select command to use to retrieve the last generated IDENTITY value for a particular table

Specified by:

getIdentitySelectString in interface IdentityColumnSupport

Overrides:

getIdentitySelectString in class IdentityColumnSupportImpl

Parameters:

table - The table into which the insert was done

column - The PK column.

type - The Types type code.

Returns:

The appropriate select command

Throws:

MappingException - If IDENTITY generation is not supported.

getIdentityColumnString

public String getIdentityColumnString(int type)

Description copied from interface: IdentityColumnSupport

The syntax used during DDL to define a column as being an IDENTITY of a particular type.

Specified by:

getIdentityColumnString in interface IdentityColumnSupport

Overrides:

getIdentityColumnString in class IdentityColumnSupportImpl

Parameters:

type - The Types type code.

Returns:

The appropriate DDL fragment.