程序包 org.hibernate.dialect.unique

Support for Dialect-specific unique constraint definition

接口概要

接口	说明
UniqueDelegate	Dialect-level delegate in charge of applying "uniqueness" to a column.

类概要

类	说明
DB2UniqueDelegate	DB2 does not allow unique constraints on nullable columns.
DefaultUniqueDelegate	The default UniqueDelegate implementation for most dialects.
InformixUniqueDelegate	Informix requires the constraint name to come last on the alter table.
MySQLUniqueDelegate