exchange/src/exchangedb/0003-purse_deletion.sql

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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_deletion(
IN shard_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE IF NOT EXISTS %I'
'(purse_deletion_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE'
',purse_sig BYTEA CHECK (LENGTH(purse_sig)=64)'
',XXX VARCHAR NOT NULL'
') %s ;'
,'purse_deletion'
,'PARTITION BY HASH (XXX)'
,shard_suffix
);
COMMENT ON TABLE purse_deletion
IS 'signatures affirming explicit purse deletions';
COMMENT ON COLUMN purse_deletion.purse_sig
IS 'signature of type XXX';
END
$$;
COMMENT ON FUNCTION create_table_purse_deletion
IS 'Creates the purse_deletion table';
CREATE OR REPLACE FUNCTION constrain_table_purse_deletion(
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
BEGIN
EXECUTE FORMAT (
'ALTER TABLE purse_deletion_' || partition_suffix || ' '
'ADD CONSTRAINT purse_deletion_' || partition_suffix || '_XXX '
'UNIQUE (XXX)'
);
END
$$;
CREATE OR REPLACE FUNCTION alter_create_was_deleted_table_purse_requests (
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
BEGIN
EXECUTE FORMAT (
'ALTER TABLE purse_requests_' || partition_suffix ||
' ADD COLUMN'
' was_deleted BOOLEAN NOT NULL DEFAULT(FALSE)'
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('purse_deletion'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('purse_deletion'
,'exchange-0002'
,'constrain'
,TRUE
,FALSE),
('purse_requests'
,'exchange-0002'
,'alter_create_was_deleted'
,TRUE
,FALSE);