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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_actions(
IN partition_suffix TEXT DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT DEFAULT 'purse_actions';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE IF NOT EXISTS %I'
'(purse_pub BYTEA NOT NULL PRIMARY KEY CHECK(LENGTH(purse_pub)=32)'
',action_date INT8 NOT NULL'
',partner_serial_id INT8'
') %s ;'
,table_name
,'PARTITION BY HASH (purse_pub)'
,partition_suffix
);
PERFORM comment_partitioned_table(
'purses awaiting some action by the router'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'public (contract) key of the purse'
,'purse_pub'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'when is the purse ready for action'
,'action_date'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'wad target of an outgoing wire transfer, 0 for local, NULL if the purse is unmerged and thus the target is still unknown'
,'partner_serial_id'
,table_name
,partition_suffix
);
END $$;
CREATE OR REPLACE FUNCTION purse_requests_insert_trigger()
RETURNS trigger
LANGUAGE plpgsql
AS $$
BEGIN
INSERT INTO
purse_actions
(purse_pub
,action_date)
VALUES
(NEW.purse_pub
,NEW.purse_expiration);
RETURN NEW;
END $$;
COMMENT ON FUNCTION purse_requests_insert_trigger()
IS 'When a purse is created, insert it into the purse_action table to take action when the purse expires.';
CREATE OR REPLACE FUNCTION master_table_purse_actions()
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT DEFAULT 'purse_actions';
BEGIN
-- Create global index
CREATE INDEX IF NOT EXISTS purse_action_by_target
ON purse_actions
(partner_serial_id,action_date);
-- Setup trigger
CREATE TRIGGER purse_requests_on_insert
AFTER INSERT
ON purse_requests
FOR EACH ROW EXECUTE FUNCTION purse_requests_insert_trigger();
COMMENT ON TRIGGER purse_requests_on_insert
ON purse_requests
IS 'Here we install an entry for the purse expiration.';
END $$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('purse_actions'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('purse_actions'
,'exchange-0002'
,'master'
,TRUE
,FALSE);
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