core-jgi/db/database/Functions/C_Currency_Convert.sql

52 lines
1.8 KiB
SQL

CREATE OR REPLACE FUNCTION currencyConvert
(
p_Amount IN NUMBER,
p_CurFrom_ID IN NUMBER,
p_CurTo_ID IN NUMBER,
p_ConvDate IN DATE,
p_ConversionType_ID IN NUMBER,
p_Client_ID IN NUMBER,
p_Org_ID IN NUMBER
)
RETURN NUMBER
/*************************************************************************
* The contents of this file are subject to the Adempiere License. You may
* obtain a copy of the License at http://www.adempiere.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: Adempiere ERP+CRM
* Copyright (C) 1999-2001 Jorg Janke, ComPiere, Inc. All Rights Reserved.
*************************************************************************
* $Id: C_Currency_Convert.sql,v 1.1 2006/04/21 17:51:58 jjanke Exp $
***
* Title: Convert Amount (using IDs)
* Description:
* from CurrencyFrom_ID to CurrencyTo_ID
* Returns NULL, if conversion not found
* Standard Rounding
* Test:
* SELECT C_Currency_Convert(100,116,100,null,null) FROM DUAL => 64.72
* SELECT C_Currency_Convert(100,116,100) FROM DUAL => 64.72
************************************************************************/
AS
v_Rate NUMBER;
BEGIN
-- Return Amount
IF (p_Amount = 0 OR p_CurFrom_ID = p_CurTo_ID) THEN
RETURN p_Amount;
END IF;
-- Return NULL
IF (p_Amount IS NULL OR p_CurFrom_ID IS NULL OR p_CurTo_ID IS NULL) THEN
RETURN NULL;
END IF;
-- Get Rate
v_Rate := currencyRate (p_CurFrom_ID, p_CurTo_ID, p_ConvDate, p_ConversionType_ID, p_Client_ID, p_Org_ID);
IF (v_Rate IS NULL) THEN
RETURN NULL;
END IF;
-- Standard Precision
RETURN currencyRound(p_Amount * v_Rate, p_CurTo_ID, null);
END currencyConvert;
/