exchange/src/exchangedb/0002-aggregation_tracking.sql
2022-11-27 21:52:03 +01:00

118 lines
3.0 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_aggregation_tracking(
IN partition_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'aggregation_tracking';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I'
'(aggregation_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',deposit_serial_id INT8 PRIMARY KEY'
',wtid_raw BYTEA NOT NULL'
') %s ;'
,table_name
,'PARTITION BY HASH (deposit_serial_id)'
,partition_suffix
);
PERFORM comment_partitioned_table(
'mapping from wire transfer identifiers (WTID) to deposits (and back)'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'identifier of the wire transfer'
,'wtid_raw'
,table_name
,partition_suffix
);
END
$$;
CREATE FUNCTION constrain_table_aggregation_tracking(
IN partition_suffix VARCHAR
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'aggregation_tracking';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'CREATE INDEX ' || table_name || '_by_wtid_raw_index '
'ON ' || table_name || ' '
'(wtid_raw);'
);
EXECUTE FORMAT (
'COMMENT ON INDEX ' || table_name || '_by_wtid_raw_index '
'IS ' || quote_literal('for lookup_transactions') || ';'
);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_aggregation_serial_id_key'
' UNIQUE (aggregation_serial_id) '
);
END
$$;
CREATE FUNCTION foreign_table_aggregation_tracking()
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'aggregation_tracking';
BEGIN
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_foreign_deposit'
' FOREIGN KEY (deposit_serial_id) '
' REFERENCES deposits (deposit_serial_id) ON DELETE CASCADE' -- FIXME change to coin_pub + deposit_serial_id for more efficient deposit???
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('aggregation_tracking'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('aggregation_tracking'
,'exchange-0002'
,'constrain'
,TRUE
,FALSE),
('aggregation_tracking'
,'exchange-0002'
,'foreign'
,TRUE
,FALSE);