150 lines
3.7 KiB
PL/PgSQL
150 lines
3.7 KiB
PL/PgSQL
--
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-- This file is part of TALER
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-- Copyright (C) 2014--2023 Taler Systems SA
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--
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-- TALER is free software; you can redistribute it and/or modify it under the
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-- terms of the GNU General Public License as published by the Free Software
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-- Foundation; either version 3, or (at your option) any later version.
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--
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-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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-- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License along with
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-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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--
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CREATE FUNCTION create_table_reserves_open_requests(
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IN partition_suffix TEXT DEFAULT NULL
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)
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RETURNS VOID
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name TEXT default 'reserves_open_requests';
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BEGIN
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PERFORM create_partitioned_table(
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'CREATE TABLE %I'
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'(open_request_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY'
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',reserve_pub BYTEA NOT NULL'
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',request_timestamp INT8 NOT NULL'
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',expiration_date INT8 NOT NULL'
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',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
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',reserve_payment taler_amount NOT NULL'
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',requested_purse_limit INT4 NOT NULL'
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') %s ;'
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,table_name
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,'PARTITION BY HASH (reserve_pub)'
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,partition_suffix
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);
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PERFORM comment_partitioned_table (
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'requests to keep a reserve open'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column (
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'Fee to pay for the request from the reserve balance itself.'
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,'reserve_payment'
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,table_name
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,partition_suffix
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);
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END
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$$;
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CREATE FUNCTION constrain_table_reserves_open_requests(
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IN partition_suffix TEXT
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)
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name TEXT default 'reserves_open_requests';
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BEGIN
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table_name = concat_ws('_', table_name, partition_suffix);
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || '_by_uuid'
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' PRIMARY KEY (open_request_uuid)'
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',ADD CONSTRAINT ' || table_name || '_by_time'
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' UNIQUE (reserve_pub,request_timestamp)'
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);
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END
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$$;
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CREATE FUNCTION foreign_table_reserves_open_requests()
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name TEXT default 'reserves_open_requests';
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BEGIN
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub '
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' FOREIGN KEY (reserve_pub)'
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' REFERENCES reserves (reserve_pub) ON DELETE CASCADE'
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);
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END
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$$;
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CREATE OR REPLACE FUNCTION reserves_open_requests_insert_trigger()
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RETURNS trigger
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LANGUAGE plpgsql
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AS $$
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BEGIN
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INSERT INTO reserve_history
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(reserve_pub
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,table_name
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,serial_id)
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VALUES
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(NEW.reserve_pub
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,'reserves_open_requests'
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,NEW.open_request_uuid);
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RETURN NEW;
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END $$;
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COMMENT ON FUNCTION reserves_open_requests_insert_trigger()
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IS 'Automatically generate reserve history entry.';
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CREATE FUNCTION master_table_reserves_open_requests()
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RETURNS VOID
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LANGUAGE plpgsql
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AS $$
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BEGIN
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CREATE TRIGGER reserves_open_requests_on_insert
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AFTER INSERT
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ON reserves_open_requests
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FOR EACH ROW EXECUTE FUNCTION reserves_open_requests_insert_trigger();
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END $$;
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INSERT INTO exchange_tables
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(name
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,version
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,action
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,partitioned
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,by_range)
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VALUES
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('reserves_open_requests'
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,'exchange-0002'
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,'create'
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,TRUE
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,FALSE),
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('reserves_open_requests'
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,'exchange-0002'
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,'constrain'
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,TRUE
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,FALSE),
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('reserves_open_requests'
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,'exchange-0002'
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,'foreign'
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,TRUE
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,FALSE),
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('reserves_open_requests'
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,'exchange-0002'
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,'master'
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,TRUE
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,FALSE);
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