intermediate step in major SQL refactoring (not done at all)

1 files changed, 53 insertions, 0 deletions

diff --git a/src/exchangedb/0002-cs_nonce_locks.sql b/src/exchangedb/0002-cs_nonce_locks.sql
new file mode 100644
index 000000000..e651fe15d
--- /dev/null
+++ b/src/exchangedb/0002-cs_nonce_locks.sql
@@ -0,0 +1,53 @@
+--
+-- 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_cs_nonce_locks(
+  shard_suffix VARCHAR DEFAULT NULL
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+BEGIN
+
+  PERFORM create_partitioned_table(
+    'CREATE TABLE IF NOT EXISTS %I'
+      '(cs_nonce_lock_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE'
+      ',nonce BYTEA PRIMARY KEY CHECK (LENGTH(nonce)=32)'
+      ',op_hash BYTEA NOT NULL CHECK (LENGTH(op_hash)=64)'
+      ',max_denomination_serial INT8 NOT NULL'
+    ') %s ;'
+    ,'cs_nonce_locks'
+    ,'PARTITION BY HASH (nonce)'
+    ,shard_suffix
+  );
+
+END
+$$;
+
+CREATE OR REPLACE FUNCTION add_constraints_to_cs_nonce_locks_partition(
+  IN partition_suffix VARCHAR
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+BEGIN
+  EXECUTE FORMAT (
+    'ALTER TABLE cs_nonce_locks_' || partition_suffix || ' '
+      'ADD CONSTRAINT cs_nonce_locks_' || partition_suffix || '_cs_nonce_lock_serial_id_key '
+        'UNIQUE (cs_nonce_lock_serial_id)'
+  );
+END
+$$;