Hibernate ORM - hibernate-core 5.6.15.Final · org.hibernate.dialect.unique.DefaultUniqueDelegate

Modifier and Type	Field and Description
protected final Dialect	dialect

Access	Constructor and Description
public	DefaultUniqueDelegate(Dialect The dialect for which we are handling unique constraints dialect) Constructs DefaultUniqueDelegate

Method Summary

Modifier and Type	Method and Description
public String	getAlterTableToAddUniqueKeyCommand(UniqueKey The UniqueKey instance. Contains all information about the columns uniqueKey, Metadata Access to the bootstrap mapping information metadata, SqlStringGenerationContext A context for SQL string generation context) Overrides default org.hibernate.dialect.unique.UniqueDelegate.getAlterTableToAddUniqueKeyCommand. Deprecated as a consequence of `UniqueKey` being deprecated. Get the SQL ALTER TABLE command to be used to create the given UniqueKey.
public String	getAlterTableToDropUniqueKeyCommand(UniqueKey The UniqueKey instance. Contains all information about the columns uniqueKey, Metadata Access to the bootstrap mapping information metadata, SqlStringGenerationContext A context for SQL string generation context) Overrides default org.hibernate.dialect.unique.UniqueDelegate.getAlterTableToDropUniqueKeyCommand. Deprecated as a consequence of `UniqueKey` being deprecated. Get the SQL ALTER TABLE command to be used to drop the given UniqueKey.
public String	getColumnDefinitionUniquenessFragment(Column The column to which to apply the unique column, SqlStringGenerationContext A context for SQL string generation context) Overrides default org.hibernate.dialect.unique.UniqueDelegate.getColumnDefinitionUniquenessFragment. Get the fragment that can be used to make a column unique as part of its column definition.
protected String	getDropUnique()
public String	getTableCreationUniqueConstraintsFragment(Table The table for which to generate the unique constraints fragment table, SqlStringGenerationContext A context for SQL string generation context) Overrides default org.hibernate.dialect.unique.UniqueDelegate.getTableCreationUniqueConstraintsFragment. Deprecated as a consequence of `Table` being deprecated. Get the fragment that can be used to apply unique constraints as part of table creation.
protected String	uniqueConstraintSql(UniqueKey uniqueKey) Deprecated as a consequence of `UniqueKey` being deprecated.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

dialect	back to summary
protected final Dialect dialect

DefaultUniqueDelegate	back to summary
public DefaultUniqueDelegate(Dialect dialect) Constructs DefaultUniqueDelegate Parameters dialect:Dialect The dialect for which we are handling unique constraints

Method Detail

getAlterTableToAddUniqueKeyCommand back to summary

public String getAlterTableToAddUniqueKeyCommand(UniqueKey uniqueKey, Metadata metadata, SqlStringGenerationContext context)

Overrides default org.hibernate.dialect.unique.UniqueDelegate.getAlterTableToAddUniqueKeyCommand.

Doc from org.hibernate.dialect.unique.UniqueDelegate.getAlterTableToAddUniqueKeyCommand.

Deprecated

as a consequence of UniqueKey being deprecated. See corresponding docs for further information.

Get the SQL ALTER TABLE command to be used to create the given UniqueKey.

Parameters

uniqueKey:UniqueKey: The UniqueKey instance. Contains all information about the columns
metadata:Metadata: Access to the bootstrap mapping information
context:SqlStringGenerationContext: A context for SQL string generation

Returns:String

The ALTER TABLE command

Annotations

@Override

getAlterTableToDropUniqueKeyCommand back to summary

public String getAlterTableToDropUniqueKeyCommand(UniqueKey uniqueKey, Metadata metadata, SqlStringGenerationContext context)

Overrides default org.hibernate.dialect.unique.UniqueDelegate.getAlterTableToDropUniqueKeyCommand.

Doc from org.hibernate.dialect.unique.UniqueDelegate.getAlterTableToDropUniqueKeyCommand.

Deprecated

as a consequence of UniqueKey being deprecated. See corresponding docs for further information.

Get the SQL ALTER TABLE command to be used to drop the given UniqueKey.

Parameters

uniqueKey:UniqueKey: The UniqueKey instance. Contains all information about the columns
metadata:Metadata: Access to the bootstrap mapping information
context:SqlStringGenerationContext: A context for SQL string generation

Returns:String

The ALTER TABLE command

Annotations

@Override

getColumnDefinitionUniquenessFragment	back to summary
public String getColumnDefinitionUniquenessFragment(Column column, SqlStringGenerationContext context) Overrides default org.hibernate.dialect.unique.UniqueDelegate.getColumnDefinitionUniquenessFragment. Doc from org.hibernate.dialect.unique.UniqueDelegate.getColumnDefinitionUniquenessFragment. Get the fragment that can be used to make a column unique as part of its column definition. This is intended for dialects which do not support unique constraints Parameters column:Column The column to which to apply the unique context:SqlStringGenerationContext A context for SQL string generation Returns:String The fragment (usually "unique"), empty string indicates the uniqueness will be indicated using a different approach Annotations @Override

getColumnDefinitionUniquenessFragment

back to summary

public String getColumnDefinitionUniquenessFragment(Column column, SqlStringGenerationContext context)

Overrides default org.hibernate.dialect.unique.UniqueDelegate.getColumnDefinitionUniquenessFragment.

Doc from org.hibernate.dialect.unique.UniqueDelegate.getColumnDefinitionUniquenessFragment.

Get the fragment that can be used to make a column unique as part of its column definition.

This is intended for dialects which do not support unique constraints

Parameters

column:Column: The column to which to apply the unique
context:SqlStringGenerationContext: A context for SQL string generation

Returns:String

The fragment (usually "unique"), empty string indicates the uniqueness will be indicated using a different approach

Annotations

@Override

getDropUnique	back to summary
protected String getDropUnique()

getTableCreationUniqueConstraintsFragment back to summary

getTableCreationUniqueConstraintsFragment	back to summary
public String getTableCreationUniqueConstraintsFragment(Table table, SqlStringGenerationContext context) Overrides default org.hibernate.dialect.unique.UniqueDelegate.getTableCreationUniqueConstraintsFragment. Doc from org.hibernate.dialect.unique.UniqueDelegate.getTableCreationUniqueConstraintsFragment. Deprecated as a consequence of `Table` being deprecated. See corresponding docs for further information. Get the fragment that can be used to apply unique constraints as part of table creation. The implementation should iterate over the `org.hibernate.mapping.UniqueKey` instances for the given table (see `org.hibernate.mapping.Table#getUniqueKeyIterator()` and generate the whole fragment for all unique keys Intended for Dialects which support unique constraint definitions, but just not in separate ALTER statements. Parameters table:Table The table for which to generate the unique constraints fragment context:SqlStringGenerationContext A context for SQL string generation Returns:String The fragment, typically in the form `", unique(col1, col2), unique( col20)"`. Note The leading comma is important! Annotations @Override

public String getTableCreationUniqueConstraintsFragment(Table table, SqlStringGenerationContext context)

Overrides default org.hibernate.dialect.unique.UniqueDelegate.getTableCreationUniqueConstraintsFragment.

Doc from org.hibernate.dialect.unique.UniqueDelegate.getTableCreationUniqueConstraintsFragment.

Deprecated

as a consequence of Table being deprecated. See corresponding docs for further information.

Get the fragment that can be used to apply unique constraints as part of table creation. The implementation should iterate over the org.hibernate.mapping.UniqueKey instances for the given table (see org.hibernate.mapping.Table#getUniqueKeyIterator() and generate the whole fragment for all unique keys

Intended for Dialects which support unique constraint definitions, but just not in separate ALTER statements.

Parameters

table:Table: The table for which to generate the unique constraints fragment
context:SqlStringGenerationContext: A context for SQL string generation

Returns:String

The fragment, typically in the form ", unique(col1, col2), unique( col20)".

Note

The leading comma is important!

Annotations

@Override

uniqueConstraintSql	back to summary
protected String uniqueConstraintSql(UniqueKey uniqueKey) Deprecated as a consequence of `UniqueKey` being deprecated. See corresponding docs for further information.

public Class DefaultUniqueDelegate

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