pg_replace_placeholder.sql (1206B)
1 -- 2 -- This file is part of TALER 3 -- Copyright (C) 2026 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 17 18 DROP FUNCTION IF EXISTS replace_placeholder; 19 CREATE FUNCTION replace_placeholder( 20 template TEXT, 21 key TEXT, 22 value TEXT 23 ) 24 RETURNS TEXT 25 LANGUAGE plpgsql 26 IMMUTABLE 27 STRICT 28 PARALLEL SAFE 29 AS $$ 30 BEGIN 31 RETURN regexp_replace( 32 template, 33 '{{\s*' || key || '\s*}}', -- Match the key with optional spaces 34 value, 35 'g' -- Global replacement 36 ); 37 END; 38 $$; 39 40 COMMENT ON FUNCTION replace_placeholder(TEXT,TEXT,TEXT) 41 IS 'Function to replace placeholders in a string with a given value';