Package org.hibernate.dialect.unique

Support for Dialect-specific unique constraint definition.

See Also:

UniqueDelegate

Interface Summary

Interface	Description
UniqueDelegate	Dialect-level delegate responsible for applying unique constraints in DDL.

Class Summary

Class	Description
AlterTableUniqueDelegate	A UniqueDelegate which uses alter table commands to create and drop the unique constraint.
AlterTableUniqueIndexDelegate	A UniqueDelegate which uses create unique index commands when necessary.
CreateTableUniqueDelegate	A UniqueDelegate which includes the unique constraint in the create table statement, except when called during schema migration.
DefaultUniqueDelegate	Deprecated. use AlterTableUniqueDelegate
SkipNullableUniqueDelegate	A UniqueDelegate that only creates unique constraints on not-null columns, and ignores requests for uniqueness for nullable columns.