auditor_do_get_balance.sql (1510B)
1 -- 2 -- This file is part of TALER 3 -- Copyright (C) 2024 Taler Systems SA 4 -- 5 -- TALER is free software; you can redistribute it and/or modify it under the 6 -- terms of the GNU General Public License as published by the Free Software 7 -- Foundation; either version 3, or (at your option) any later version. 8 -- 9 -- TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 -- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 -- A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 -- 13 -- You should have received a copy of the GNU General Public License along with 14 -- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 -- 16 -- @author Christian Grothoff 17 18 DROP FUNCTION IF EXISTS auditor_do_get_balance; 19 CREATE OR REPLACE FUNCTION auditor_do_get_balance( 20 IN in_keys TEXT[]) 21 RETURNS SETOF taler_amount 22 LANGUAGE plpgsql 23 AS $$ 24 DECLARE 25 my_key TEXT; 26 my_rec RECORD; 27 my_val taler_amount; 28 BEGIN 29 FOREACH my_key IN ARRAY in_keys 30 LOOP 31 SELECT (ab.balance_value).val 32 ,(ab.balance_value).frac 33 INTO my_rec 34 FROM auditor_balances ab 35 WHERE balance_key=my_key; 36 IF FOUND 37 THEN 38 my_val.val = my_rec.val; 39 my_val.frac = my_rec.frac; 40 RETURN NEXT my_val; 41 ELSE 42 RETURN NEXT NULL; 43 END IF; 44 END LOOP; 45 END $$; 46 47 COMMENT ON FUNCTION auditor_do_get_balance(TEXT[]) 48 IS 'Finds all balances associated with the array of keys given as the argument and returns them in order';