125 lines
3.1 KiB
PL/PgSQL
125 lines
3.1 KiB
PL/PgSQL
--
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-- This file is part of TALER
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-- Copyright (C) 2014--2022 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_history_requests(
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IN shard_suffix VARCHAR 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 VARCHAR DEFAULT 'history_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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'(history_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
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',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
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',request_timestamp INT8 NOT NULL'
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',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
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',history_fee_val INT8 NOT NULL'
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',history_fee_frac INT4 NOT NULL'
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',PRIMARY KEY (reserve_pub,request_timestamp)'
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') %s ;'
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,table_name
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,'PARTITION BY HASH (reserve_pub)'
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,shard_suffix
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);
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PERFORM comment_partitioned_table(
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'Paid history requests issued by a client against a reserve'
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,table_name
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,shard_suffix
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);
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PERFORM comment_partitioned_column(
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'When was the history request made'
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,'request_timestamp'
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,table_name
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,shard_suffix
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);
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PERFORM comment_partitioned_column(
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'Signature approving payment for the history request'
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,'reserve_sig'
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,table_name
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,shard_suffix
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);
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PERFORM comment_partitioned_column(
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'History fee approved by the signature'
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,'history_fee_val'
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,table_name
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,shard_suffix
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);
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END $$;
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CREATE FUNCTION constrain_table_history_requests(
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IN partition_suffix VARCHAR
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)
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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DECLARE
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partition_name VARCHAR;
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BEGIN
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partition_name = concat_ws('_', 'history_requests', partition_suffix);
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EXECUTE FORMAT (
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'ALTER TABLE ' || partition_name ||
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' ADD CONSTRAINT ' || partition_name || '_serial_id'
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' UNIQUE (history_request_serial_id)'
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);
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END
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$$;
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CREATE FUNCTION foreign_table_history_requests()
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RETURNS VOID
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name VARCHAR DEFAULT 'history_requests';
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BEGIN
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub'
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' FOREIGN KEY (reserve_pub) '
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' REFERENCES reserves(reserve_pub) ON DELETE CASCADE'
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);
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END $$;
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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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('history_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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('history_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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('history_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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