exchange_do_comment_partitioned_column.sql (1372B)
1 -- 2 -- This file is part of TALER 3 -- Copyright (C) 2014--2022 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 CREATE OR REPLACE FUNCTION comment_partitioned_column( 18 IN table_comment TEXT 19 ,IN column_name TEXT 20 ,IN table_name TEXT 21 ,IN partition_suffix TEXT DEFAULT NULL 22 ) 23 RETURNS VOID 24 LANGUAGE plpgsql 25 AS $$ 26 BEGIN 27 IF ( (partition_suffix IS NOT NULL) AND 28 (partition_suffix::int > 0) ) 29 THEN 30 -- sharding, add shard name 31 table_name=table_name || '_' || partition_suffix; 32 END IF; 33 EXECUTE FORMAT( 34 'COMMENT ON COLUMN %s.%s IS %s' 35 ,table_name 36 ,column_name 37 ,quote_literal(table_comment) 38 ); 39 END $$; 40 41 COMMENT ON FUNCTION comment_partitioned_column 42 IS 'Generic function to create a comment on column of a table that is partitioned.';