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--
-- 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 OR REPLACE FUNCTION create_table_account_merges(
IN shard_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'account_merges';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE IF NOT EXISTS %I '
'(account_merge_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE
',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)' -- REFERENCES reserves (reserve_pub) ON DELETE CASCADE
',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)' -- REFERENCES purse_requests (purse_pub)
',wallet_h_payto BYTEA NOT NULL CHECK (LENGTH(wallet_h_payto)=32)'
',PRIMARY KEY (purse_pub)'
') %s ;'
,table_name
,'PARTITION BY HASH (purse_pub)'
,shard_suffix
);
table_name = concat_ws('_', table_name, shard_suffix);
-- FIXME: change to materialized index by reserve_pub!
EXECUTE FORMAT (
'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_reserve_pub '
'ON ' || table_name || ' '
'(reserve_pub);'
);
END
$$;
CREATE OR REPLACE FUNCTION add_constraints_to_account_merges_partition(
IN partition_suffix VARCHAR
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
BEGIN
EXECUTE FORMAT (
'ALTER TABLE account_merges_' || partition_suffix || ' '
'ADD CONSTRAINT account_merges_' || partition_suffix || '_account_merge_request_serial_id_key '
'UNIQUE (account_merge_request_serial_id) '
);
END
$$;
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