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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_purse_merges(
IN shard_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'purse_merges';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE IF NOT EXISTS %I '
'(purse_merge_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY '-- UNIQUE
',partner_serial_id INT8' -- REFERENCES partners(partner_serial_id) ON DELETE CASCADE
',reserve_pub BYTEA NOT NULL CHECK(length(reserve_pub)=32)'--REFERENCES reserves (reserve_pub) ON DELETE CASCADE
',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)' --REFERENCES purse_requests (purse_pub) ON DELETE CASCADE
',merge_sig BYTEA NOT NULL CHECK (LENGTH(merge_sig)=64)'
',merge_timestamp INT8 NOT NULL'
',PRIMARY KEY (purse_pub)'
') %s ;'
,table_name
,'PARTITION BY HASH (purse_pub)'
,shard_suffix
);
table_name = concat_ws('_', table_name, shard_suffix);
-- FIXME: change to materialized index by reserve_pub!
EXECUTE FORMAT (
'CREATE INDEX IF NOT EXISTS ' || table_name || '_reserve_pub '
'ON ' || table_name || ' '
'(reserve_pub);'
);
EXECUTE FORMAT (
'COMMENT ON INDEX ' || table_name || '_reserve_pub '
'IS ' || quote_literal('needed in reserve history computation') || ';'
);
END
$$;
CREATE OR REPLACE FUNCTION add_constraints_to_purse_merges_partition(
IN partition_suffix VARCHAR
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
BEGIN
EXECUTE FORMAT (
'ALTER TABLE purse_merges_' || partition_suffix || ' '
'ADD CONSTRAINT purse_merges_' || partition_suffix || '_purse_merge_request_serial_id_key '
'UNIQUE (purse_merge_request_serial_id) '
);
END
$$;
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