exchange/src/exchangedb/0002-reserves_open_deposits.sql
2022-11-27 14:05:47 +01:00

101 lines
2.7 KiB
PL/PgSQL

--
-- 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 FUNCTION create_table_reserves_open_deposits(
IN partition_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR default 'reserves_open_deposits';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I'
'(reserve_open_deposit_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY'
',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
',coin_pub BYTEA NOT NULL CHECK (LENGTH(coin_pub)=32)'
',coin_sig BYTEA NOT NULL CHECK (LENGTH(coin_sig)=64)'
',contribution_val INT8 NOT NULL'
',contribution_frac INT4 NOT NULL'
') %s ;'
,table_name
,'PARTITION BY HASH (coin_pub)'
,partition_suffix
);
PERFORM comment_partitioned_table(
'coin contributions paying for a reserve to remain open'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Identifies the specific reserve being paid for (possibly together with reserve_sig).'
,'reserve_pub'
,table_name
,partition_suffix
);
END
$$;
CREATE FUNCTION constrain_table_reserves_open_deposits(
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR default 'reserves_open_deposits';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name || ' '
'ADD CONSTRAINT ' || table_name || '_coin_unique '
'PRIMARY KEY (coin_pub,coin_sig)'
);
EXECUTE FORMAT (
'CREATE INDEX ' || table_name || '_by_uuid '
'ON ' || table_name || ' '
'(reserve_open_deposit_uuid);'
);
EXECUTE FORMAT (
'CREATE INDEX ' || table_name || '_by_reserve '
'ON ' || table_name || ' '
'(reserve_pub);'
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('reserves_open_deposits'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('reserves_open_deposits'
,'exchange-0002'
,'constrain'
,TRUE
,FALSE);