core-jgi/migration-historic/353a-354a/postgresql/398_currencyround.sql

61 lines
1.7 KiB
PL/PgSQL

CREATE OR REPLACE FUNCTION currencyRound(
p_Amount NUMERIC,
p_CurTo_ID NUMERIC,
p_Costing VARCHAR -- Default 'N'
)
RETURNS numeric AS $body$
/*************************************************************************
* 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.
*
* converted to postgreSQL by Karsten Thiemann (Schaeffer AG),
* kthiemann@adempiere.org
*************************************************************************
***
* Title: Round amount for Traget Currency
* Description:
* Round Amount using Costing or Standard Precision
* Returns unmodified amount if currency not found
* Test:
* SELECT currencyRound(currencyConvert(100,116,100,null,null),100,null) FROM AD_System => 64.72
************************************************************************/
DECLARE
v_StdPrecision NUMERIC;
v_CostPrecision NUMERIC;
BEGIN
-- Nothing to convert
IF (p_Amount IS NULL OR p_CurTo_ID IS NULL) THEN
RETURN p_Amount;
END IF;
-- Ger Precision
SELECT MAX(StdPrecision), MAX(CostingPrecision)
INTO v_StdPrecision, v_CostPrecision
FROM C_Currency
WHERE C_Currency_ID = p_CurTo_ID;
-- Currency Not Found
IF (v_StdPrecision IS NULL) THEN
RETURN p_Amount;
END IF;
IF (p_Costing = 'Y') THEN
RETURN ROUND (p_Amount, v_CostPrecision);
END IF;
RETURN ROUND (p_Amount, v_StdPrecision);
END;
$body$ LANGUAGE plpgsql;