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--
-- This file is part of TALER
-- Copyright (C) 2014--2021 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/>
--
-- Everything in one big transaction
BEGIN;
-- Check patch versioning is in place.
SELECT _v.register_patch('benchmark-0001', NULL, NULL);
-- Naive, btree version
CREATE TABLE IF NOT EXISTS benchmap
(uuid BIGSERIAL PRIMARY KEY
,hc BYTEA UNIQUE CHECK(LENGTH(hc)=64)
,expiration_date INT8 NOT NULL
);
-- Replace btree with hash-based index
CREATE TABLE IF NOT EXISTS benchhmap
(uuid BIGSERIAL PRIMARY KEY
,hc BYTEA NOT NULL CHECK(LENGTH(hc)=64)
,expiration_date INT8 NOT NULL
);
CREATE INDEX IF NOT EXISTS benchhmap_index
ON benchhmap
USING HASH (hc);
ALTER TABLE benchhmap
ADD CONSTRAINT pk
EXCLUDE USING HASH (hc with =);
-- Keep btree, also add 32-bit hash-based index on top
CREATE TABLE IF NOT EXISTS benchemap
(uuid BIGSERIAL PRIMARY KEY
,ihc INT4 NOT NULL
,hc BYTEA UNIQUE CHECK(LENGTH(hc)=64)
,expiration_date INT8 NOT NULL
);
CREATE INDEX IF NOT EXISTS benchemap_index
ON benchemap
USING HASH (ihc);
-- Complete transaction
COMMIT;
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