core-jgi/db/ddlutils/postgresql/functions/Acct_Balance.sql

70 lines
2.4 KiB
PL/PgSQL

/*
*This file is part of Adempiere ERP Bazaar
*http://www.adempiere.org
*
*Copyright (C) 2006 Timo Kontro
*Copyright (C) 1999-2006 ComPiere, inc
*
*This program is free software; you can redistribute it and/or
*modify it under the terms of the GNU General Public License
*as published by the Free Software Foundation; either version 2
*of the License, or (at your option) any later version.
*
*This program is distributed in the hope that it will be useful,
*but WITHOUT ANY WARRANTY; without even the implied warranty of
*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*GNU General Public License for more details.
*
*You should have received a copy of the GNU General Public License
*along with this program; if not, write to the Free Software
*Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.of
*/
/*
* Returns credit or debit balance based on account sign and type.
*
* Account types and account signs are defined in ad_ref_list table.
* In version 3.1.3 types and signs are defined in following way:
* value | name | description
*-------+----------------+------------------------------------------
* A | Asset | Asset (Balance Sheet) Account
* L | Liability | Liability (Balance Sheet) Account
* R | Revenue | Revenue (P&L) Account
* E | Expense | Expense (P&L) Account
* O | Owner's Equity | Owner's Equity (Balance Sheet) Account
* M | Memo | Memo (Non Balance Sheet nor P&L) Account
*
*
* N | Natural | Natural sign of the Account Type
* D | Debit | Debit Balance Account
* C | Credit | Credit Balance Account
*/
CREATE OR REPLACE FUNCTION acctBalance(
IN NUMERIC, -- $1 account id
IN NUMERIC, -- $2 amount debit
IN NUMERIC -- $3 amount credit
) RETURNS NUMERIC AS
$$
DECLARE
accType CHAR(1); --account type
accSign CHAR(1); --account sign
BEGIN
IF $1 != 0 THEN
SELECT t.AccountType, t.AccountSign
INTO accType, accSign
FROM C_ElementValue AS t WHERE t.C_ElementValue_ID = $1;
IF accSign = 'N' AND accType NOT IN ('A', 'E') THEN
--If account sign is natural and account type not asset or expense
--mark sign to be credit.
accSign := 'C';
END IF;
END IF;
IF accSign = 'C' THEN
RETURN $2 - $3;
ELSE
RETURN $3 - $2;
END IF;
END;
$$ LANGUAGE plpgsql STABLE STRICT;