c_payment_available.sql

Java写的ERP系统

CREATE OR REPLACE FUNCTION C_Payment_Available
(
	p_C_Payment_ID	IN	NUMBER
)
RETURN NUMBER
/*************************************************************************
 * The contents of this file are subject to the Compiere License.  You may
 * obtain a copy of the License at    http://www.compiere.org/license.html
 * Software is on an  "AS IS" basis,  WITHOUT WARRANTY OF ANY KIND, either
 * express or implied. See the License for details. Code: Compiere ERP+CRM
 * Copyright (C) 1999-2001 Jorg Janke, ComPiere, Inc. All Rights Reserved.
 *************************************************************************
 * $Id: C_Payment_Available.sql,v 1.3 2003/03/17 20:32:25 jjanke Exp $
 ***
 * Title:	Calculate Available Payment Amount in Payment Currency
 * Description:
 *		similar to C_Invoice_Open
 ************************************************************************/
AS
	v_Currency_ID		NUMBER(10);
	v_AvailableAmt		NUMBER := 0;
	CURSOR	Cur_Alloc	IS
		SELECT	AD_Client_ID, AD_Org_ID, Amount, C_Currency_ID, DateTrx
		FROM		C_Allocation
		WHERE	C_Payment_ID = p_C_Payment_ID
		  AND	C_Invoice_ID IS NOT NULL;
BEGIN
	--	Get Currency
	SELECT	C_Currency_ID, PayAmt
	  INTO	v_Currency_ID, v_AvailableAmt
	FROM		C_Payment
	WHERE	C_Payment_ID = p_C_Payment_ID;

	--	Calculate Allocated Amount
	FOR a IN Cur_Alloc LOOP
		v_AvailableAmt := v_AvailableAmt
			- C_Currency_Convert(a.Amount, a.C_Currency_ID, v_Currency_ID, a.DateTrx, null, a.AD_Client_ID, a.AD_Org_ID);
	END LOOP;
	--	Ignore Rounding
	IF (v_AvailableAmt BETWEEN -0.00999 AND 0.00999) THEN
		v_AvailableAmt := 0;
	END IF;
	--	Round to penny
	v_AvailableAmt := ROUND(NVL(v_AvailableAmt,0), 2);
	RETURN	v_AvailableAmt;
END C_Payment_Available;
/