gl_journal_trg.sql

Java写的ERP系统

CREATE OR REPLACE TRIGGER GL_Journal_Trg
AFTER DELETE OR UPDATE OF TotalDr, TotalCr
	ON GL_Journal
FOR EACH ROW
BEGIN
/******************************************************************************
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 * Open  Source  Software        Provided "AS IS" without warranty or liability
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 ******************************************************************************
 *  Journal 
 *	- Update Journal Batch Totals if exists (insert is always 0)
 */
 	--	Subtract Old Amount
	IF (UPDATING OR DELETING) THEN
		IF (:old.GL_JournalBatch_ID IS NOT NULL AND :old.IsActive = 'Y') THEN
			UPDATE	GL_JournalBatch
			  SET	TotalDr = TotalDr - :old.TotalDr,
					TotalCr = TotalCr - :old.TotalCr
		   	WHERE	GL_JournalBatch_ID = :old.GL_JournalBatch_ID; 
   		END IF;
	END IF;

	--	Add new Amount
	IF (INSERTING OR UPDATING) THEN
		IF (:new.GL_JournalBatch_ID IS NOT NULL AND :new.IsActive = 'Y') THEN
			UPDATE	GL_JournalBatch
			  SET	TotalDr = TotalDr + :new.TotalDr,
					TotalCr = TotalCr + :new.TotalCr
		   	WHERE	GL_JournalBatch_ID = :new.GL_JournalBatch_ID; 
		END IF;
	END IF;

END GL_Journal_Trg;
/