From 9580dd19c23e5591cc022dce717eca7bc745c5b0 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 27 Nov 2022 00:16:00 +0100
Subject: intermediate step in major SQL refactoring (not done at all)

---
 src/exchangedb/0002-legitimization_processes.sql | 72 ++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/exchangedb/0002-legitimization_processes.sql

(limited to 'src/exchangedb/0002-legitimization_processes.sql')

diff --git a/src/exchangedb/0002-legitimization_processes.sql b/src/exchangedb/0002-legitimization_processes.sql
new file mode 100644
index 000000000..598603c79
--- /dev/null
+++ b/src/exchangedb/0002-legitimization_processes.sql
@@ -0,0 +1,72 @@
+--
+-- 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_legitimization_processes(
+  IN shard_suffix VARCHAR DEFAULT NULL
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+BEGIN
+
+  PERFORM create_partitioned_table(
+    'CREATE TABLE IF NOT EXISTS %I'
+      '(legitimization_process_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE'
+      ',h_payto BYTEA NOT NULL CHECK (LENGTH(h_payto)=32)'
+      ',expiration_time INT8 NOT NULL DEFAULT (0)'
+      ',provider_section VARCHAR NOT NULL'
+      ',provider_user_id VARCHAR DEFAULT NULL'
+      ',provider_legitimization_id VARCHAR DEFAULT NULL'
+      ',UNIQUE (h_payto, provider_section)'
+    ') %s ;'
+    ,'legitimization_processes'
+    ,'PARTITION BY HASH (h_payto)'
+    ,shard_suffix
+  );
+
+END
+$$;
+
+-- We need a separate function for this, as we call create_table only once but need to add
+-- those constraints to each partition which gets created
+CREATE OR REPLACE FUNCTION add_constraints_to_legitimization_processes_partition(
+  IN partition_suffix VARCHAR
+)
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  partition_name VARCHAR;
+BEGIN
+
+  partition_name = concat_ws('_', 'legitimization_processes', partition_suffix);
+
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || partition_name
+    || ' '
+      'ADD CONSTRAINT ' || partition_name || '_serial_key '
+        'UNIQUE (legitimization_process_serial_id)');
+  EXECUTE FORMAT (
+    'CREATE INDEX IF NOT EXISTS ' || partition_name || '_by_provider_and_legi_index '
+        'ON '|| partition_name || ' '
+        '(provider_section,provider_legitimization_id)'
+  );
+  EXECUTE FORMAT (
+    'COMMENT ON INDEX ' || partition_name || '_by_provider_and_legi_index '
+    'IS ' || quote_literal('used (rarely) in kyc_provider_account_lookup') || ';'
+  );
+END
+$$;
-- 
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