exchange_do_create_partitioned_table.sql (1610B)
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 18 CREATE OR REPLACE FUNCTION create_partitioned_table( 19 IN table_definition TEXT -- SQL template for table creation 20 ,IN table_name TEXT -- base name of the table 21 ,IN main_table_partition_str TEXT -- declaration for how to partition the table 22 ,IN partition_suffix TEXT DEFAULT NULL -- NULL: no partitioning, 0: yes partitioning, no sharding, >0: sharding 23 ) 24 RETURNS VOID 25 LANGUAGE plpgsql 26 AS $$ 27 BEGIN 28 IF (partition_suffix IS NULL) 29 THEN 30 -- no partitioning, disable option 31 main_table_partition_str = ''; 32 ELSE 33 IF (partition_suffix::int > 0) 34 THEN 35 -- sharding, add shard name 36 table_name=table_name || '_' || partition_suffix; 37 END IF; 38 END IF; 39 EXECUTE FORMAT( 40 table_definition, 41 table_name, 42 main_table_partition_str 43 ); 44 END $$; 45 46 COMMENT ON FUNCTION create_partitioned_table 47 IS 'Generic function to create a table that is partitioned or sharded.';