From 9580dd19c23e5591cc022dce717eca7bc745c5b0 Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Sun, 27 Nov 2022 00:16:00 +0100 Subject: intermediate step in major SQL refactoring (not done at all) --- src/exchangedb/0002-known_coins.sql | 61 +++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/exchangedb/0002-known_coins.sql (limited to 'src/exchangedb/0002-known_coins.sql') diff --git a/src/exchangedb/0002-known_coins.sql b/src/exchangedb/0002-known_coins.sql new file mode 100644 index 000000000..786d2a6ca --- /dev/null +++ b/src/exchangedb/0002-known_coins.sql @@ -0,0 +1,61 @@ +-- +-- 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 +-- + + +CREATE OR REPLACE FUNCTION create_table_known_coins( + IN shard_suffix VARCHAR DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name VARCHAR default 'known_coins'; +BEGIN + + PERFORM create_partitioned_table( + 'CREATE TABLE IF NOT EXISTS %I' + '(known_coin_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE' + ',denominations_serial INT8 NOT NULL' -- REFERENCES denominations (denominations_serial) ON DELETE CASCADE' + ',coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (LENGTH(coin_pub)=32)' + ',age_commitment_hash BYTEA CHECK (LENGTH(age_commitment_hash)=32)' + ',denom_sig BYTEA NOT NULL' + ',remaining_val INT8 NOT NULL DEFAULT(0)' + ',remaining_frac INT4 NOT NULL DEFAULT(0)' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (coin_pub)' -- FIXME: or include denominations_serial? or multi-level partitioning?; + ,shard_suffix + ); + + table_name = concat_ws('_', table_name, shard_suffix); + +END +$$; + +CREATE OR REPLACE FUNCTION add_constraints_to_known_coins_partition( + IN partition_suffix VARCHAR +) +RETURNS void +LANGUAGE plpgsql +AS $$ +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE known_coins_' || partition_suffix || ' ' + 'ADD CONSTRAINT known_coins_' || partition_suffix || '_known_coin_id_key ' + 'UNIQUE (known_coin_id)' + ); +END +$$; -- cgit v1.2.3