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--
-- This file is part of TALER
-- Copyright (C) 2014--2022 Taler Systems SA
--
-- TALER 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 3, or (at your option) any later version.
--
-- TALER 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
-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
--
CREATE OR REPLACE FUNCTION create_table_known_coins(
IN shard_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR default 'known_coins';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE IF NOT EXISTS %I'
'(known_coin_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE'
',denominations_serial INT8 NOT NULL' -- REFERENCES denominations (denominations_serial) ON DELETE CASCADE'
',coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (LENGTH(coin_pub)=32)'
',age_commitment_hash BYTEA CHECK (LENGTH(age_commitment_hash)=32)'
',denom_sig BYTEA NOT NULL'
',remaining_val INT8 NOT NULL DEFAULT(0)'
',remaining_frac INT4 NOT NULL DEFAULT(0)'
') %s ;'
,table_name
,'PARTITION BY HASH (coin_pub)' -- FIXME: or include denominations_serial? or multi-level partitioning?;
,shard_suffix
);
table_name = concat_ws('_', table_name, shard_suffix);
END
$$;
CREATE OR REPLACE FUNCTION add_constraints_to_known_coins_partition(
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
BEGIN
EXECUTE FORMAT (
'ALTER TABLE known_coins_' || partition_suffix || ' '
'ADD CONSTRAINT known_coins_' || partition_suffix || '_known_coin_id_key '
'UNIQUE (known_coin_id)'
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('known_coins'
,'exchange-0002'
,'create'
,TRUE
,FALSE);
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