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

1 files changed, 73 insertions, 0 deletions

diff --git a/src/exchangedb/0002-reserves_close.sql b/src/exchangedb/0002-reserves_close.sql
new file mode 100644
index 00000000..fbb0b86c
--- /dev/null
+++ b/src/exchangedb/0002-reserves_close.sql
@@ -0,0 +1,73 @@
+--
+-- 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_reserves_close(
+  IN shard_suffix VARCHAR DEFAULT NULL
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name VARCHAR default 'reserves_close';
+BEGIN
+
+  PERFORM create_partitioned_table(
+    'CREATE TABLE IF NOT EXISTS %I'
+      '(close_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE / PRIMARY KEY'
+      ',reserve_pub BYTEA NOT NULL' -- REFERENCES reserves (reserve_pub) ON DELETE CASCADE'
+      ',execution_date INT8 NOT NULL'
+      ',wtid BYTEA NOT NULL CHECK (LENGTH(wtid)=32)'
+      ',wire_target_h_payto BYTEA CHECK (LENGTH(wire_target_h_payto)=32)'
+      ',amount_val INT8 NOT NULL'
+      ',amount_frac INT4 NOT NULL'
+      ',closing_fee_val INT8 NOT NULL'
+      ',closing_fee_frac INT4 NOT NULL'
+      ',close_request_row INT8 NOT NULL DEFAULT(0)'
+    ') %s ;'
+    ,table_name
+    ,'PARTITION BY HASH (reserve_pub)'
+    ,shard_suffix
+  );
+
+  table_name = concat_ws('_', table_name, shard_suffix);
+
+  EXECUTE FORMAT (
+    'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_close_uuid_index '
+    'ON ' || table_name || ' '
+    '(close_uuid);'
+  );
+  EXECUTE FORMAT (
+    'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_reserve_pub_index '
+    'ON ' || table_name || ' '
+    '(reserve_pub);'
+  );
+END
+$$;
+
+CREATE OR REPLACE FUNCTION add_constraints_to_reserves_close_partition(
+  IN partition_suffix VARCHAR
+)
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+BEGIN
+  EXECUTE FORMAT (
+    'ALTER TABLE reserves_close_' || partition_suffix || ' '
+      'ADD CONSTRAINT reserves_close_' || partition_suffix || '_close_uuid_pkey '
+        'PRIMARY KEY (close_uuid)'
+  );
+END
+$$;