public class DefaultUniqueDelegate extends Object implements UniqueDelegate
Constructor and Description |
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DefaultUniqueDelegate(Dialect dialect)
Constructs DefaultUniqueDelegate
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Modifier and Type | Method and Description |
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String |
getAlterTableToAddUniqueKeyCommand(UniqueKey uniqueKey)
Get the SQL ALTER TABLE command to be used to create the given UniqueKey.
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String |
getAlterTableToAddUniqueKeyCommand(UniqueKey uniqueKey,
String defaultCatalog,
String defaultSchema)
Get the SQL ALTER TABLE command to be used to create the given UniqueKey.
|
String |
getAlterTableToDropUniqueKeyCommand(UniqueKey uniqueKey)
Get the SQL ALTER TABLE command to be used to drop the given UniqueKey.
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String |
getAlterTableToDropUniqueKeyCommand(UniqueKey uniqueKey,
String defaultCatalog,
String defaultSchema)
Get the SQL ALTER TABLE command to be used to drop the given UniqueKey.
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String |
getColumnDefinitionUniquenessFragment(Column column)
Get the fragment that can be used to make a column unique as part of its column definition.
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String |
getColumnDefinitionUniquenessFragment(Column column)
Get the fragment that can be used to make a column unique as part of its column definition.
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String |
getTableCreationUniqueConstraintsFragment(Table table)
Get the fragment that can be used to apply unique constraints as part of table creation.
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String |
getTableCreationUniqueConstraintsFragment(Table table)
Get the fragment that can be used to apply unique constraints as part of table creation.
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protected String |
uniqueConstraintSql(UniqueKey uniqueKey) |
protected String |
uniqueConstraintSql(UniqueKey uniqueKey) |
protected final Dialect dialect
public DefaultUniqueDelegate(Dialect dialect)
dialect
- The dialect for which we are handling unique constraintspublic String getColumnDefinitionUniquenessFragment(Column column)
UniqueDelegate
getColumnDefinitionUniquenessFragment
in interface UniqueDelegate
column
- The column to which to apply the uniquepublic String getTableCreationUniqueConstraintsFragment(Table table)
UniqueDelegate
UniqueKey
instances for the given table (see
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.getTableCreationUniqueConstraintsFragment
in interface UniqueDelegate
table
- The table for which to generate the unique constraints fragment", unique(col1, col2), unique( col20)"
. NOTE: The leading
comma is important!public String getAlterTableToAddUniqueKeyCommand(UniqueKey uniqueKey, String defaultCatalog, String defaultSchema)
UniqueDelegate
getAlterTableToAddUniqueKeyCommand
in interface UniqueDelegate
uniqueKey
- The UniqueKey instance. Contains all information about the columnsdefaultCatalog
- The default catalogdefaultSchema
- The default schemapublic String getAlterTableToDropUniqueKeyCommand(UniqueKey uniqueKey, String defaultCatalog, String defaultSchema)
UniqueDelegate
getAlterTableToDropUniqueKeyCommand
in interface UniqueDelegate
uniqueKey
- The UniqueKey instance. Contains all information about the columnsdefaultCatalog
- The default catalogdefaultSchema
- The default schemapublic String getColumnDefinitionUniquenessFragment(Column column)
UniqueDelegate
getColumnDefinitionUniquenessFragment
in interface UniqueDelegate
column
- The column to which to apply the uniquepublic String getTableCreationUniqueConstraintsFragment(Table table)
UniqueDelegate
UniqueKey
instances for the given table (see
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.getTableCreationUniqueConstraintsFragment
in interface UniqueDelegate
table
- The table for which to generate the unique constraints fragment", unique(col1, col2), unique( col20)"
. NOTE: The leading
comma is important!public String getAlterTableToAddUniqueKeyCommand(UniqueKey uniqueKey)
UniqueDelegate
getAlterTableToAddUniqueKeyCommand
in interface UniqueDelegate
uniqueKey
- The UniqueKey instance. Contains all information about the columns, as well as
schema/catalogpublic String getAlterTableToDropUniqueKeyCommand(UniqueKey uniqueKey)
UniqueDelegate
getAlterTableToDropUniqueKeyCommand
in interface UniqueDelegate
uniqueKey
- The UniqueKey instance. Contains all information about the columns, as well as
schema/catalogCopyright © 2001-2015 Red Hat, Inc. All Rights Reserved.