DerbyCaseFragment (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.sql
Class DerbyCaseFragment

java.lang.Object
  org.hibernate.sql.CaseFragment
      org.hibernate.sql.DerbyCaseFragment

public class DerbyCaseFragment
extends CaseFragment

Author:: Simon Johnston
See Also:: DerbyDialect

Field Summary

Fields inherited from class org.hibernate.sql.CaseFragment

cases, returnColumnName

Constructor Summary

DerbyCaseFragment()

Method Summary

String toFragmentString()
From http://www.jroller.com/comments/kenlars99/Weblog/cloudscape_soon_to_be_derby
The problem we had, was when Hibernate does a select with a case statement, for joined subclasses.

Methods inherited from class org.hibernate.sql.CaseFragment

addWhenColumnNotNull, setReturnColumnName, setReturnColumnName

Methods inherited from class java.lang.Object

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

Constructor Detail

DerbyCaseFragment

public DerbyCaseFragment()

Method Detail

toFragmentString

public String toFragmentString()

From http://www.jroller.com/comments/kenlars99/Weblog/cloudscape_soon_to_be_derby

The problem we had, was when Hibernate does a select with a case statement, for joined subclasses. This seems to be because there was no else at the end of the case statement (other dbs seem to not mind).

Specified by:: toFragmentString in class CaseFragment