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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_recoup_refresh(
IN shard_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'recoup_refresh';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE IF NOT EXISTS %I'
'(recoup_refresh_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE'
',coin_pub BYTEA NOT NULL CHECK (LENGTH(coin_pub)=32)' -- REFERENCES known_coins (coin_pub)
',known_coin_id BIGINT NOT NULL' -- REFERENCES known_coins (known_coin_id) ON DELETE CASCADE
',coin_sig BYTEA NOT NULL CHECK(LENGTH(coin_sig)=64)'
',coin_blind BYTEA NOT NULL CHECK(LENGTH(coin_blind)=32)'
',amount_val INT8 NOT NULL'
',amount_frac INT4 NOT NULL'
',recoup_timestamp INT8 NOT NULL'
',rrc_serial INT8 NOT NULL' -- REFERENCES refresh_revealed_coins (rrc_serial) ON DELETE CASCADE -- UNIQUE'
') %s ;'
,table_name
,'PARTITION BY HASH (coin_pub)'
,shard_suffix
);
table_name = concat_ws('_', table_name, shard_suffix);
-- FIXME: any query using this index will be slow. Materialize index or change query?
-- Also: which query uses this index?
EXECUTE FORMAT (
'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_rrc_serial_index '
'ON ' || table_name || ' '
'(rrc_serial);'
);
EXECUTE FORMAT (
'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_coin_pub_index '
'ON ' || table_name || ' '
'(coin_pub);'
);
END
$$;
CREATE OR REPLACE FUNCTION add_constraints_to_recoup_refresh_partition(
IN partition_suffix VARCHAR
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
BEGIN
EXECUTE FORMAT (
'ALTER TABLE recoup_refresh_' || partition_suffix || ' '
'ADD CONSTRAINT recoup_refresh_' || partition_suffix || '_recoup_refresh_uuid_key '
'UNIQUE (recoup_refresh_uuid) '
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('recoup_refresh'
,'exchange-0002'
,'create'
,TRUE
,FALSE);
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