cp sql/ from GNU Taler exchange

include/sql/0002-wire_out.sql

@@ -0,0 +1,130 @@
+--
+-- 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 FUNCTION create_table_wire_out(
+  IN partition_suffix TEXT DEFAULT NULL
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name TEXT DEFAULT 'wire_out';
+BEGIN
+  PERFORM create_partitioned_table(
+    'CREATE TABLE IF NOT EXISTS %I'
+      '(wireout_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY'
+      ',execution_date INT8 NOT NULL'
+      ',wtid_raw BYTEA UNIQUE NOT NULL CHECK (LENGTH(wtid_raw)=32)'
+      ',wire_target_h_payto BYTEA CHECK (LENGTH(wire_target_h_payto)=32)'
+      ',exchange_account_section TEXT NOT NULL'
+      ',amount taler_amount NOT NULL'
+      ') %s ;'
+    ,table_name
+    ,'PARTITION BY HASH (wtid_raw)'
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_table(
+     'wire transfers the exchange has executed'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'identifies the configuration section with the debit account of this payment'
+    ,'exchange_account_section'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Identifies the credited bank account and KYC status'
+    ,'wire_target_h_payto'
+    ,table_name
+    ,partition_suffix
+  );
+END
+$$;
+
+
+CREATE FUNCTION constrain_table_wire_out(
+  IN partition_suffix TEXT
+)
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name TEXT DEFAULT 'wire_out';
+BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
+  EXECUTE FORMAT (
+    'CREATE INDEX ' || table_name || '_by_wire_target_h_payto_index '
+    'ON ' || table_name || ' '
+    '(wire_target_h_payto);'
+  );
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_wireout_uuid_pkey'
+    ' PRIMARY KEY (wireout_uuid)'
+  );
+END
+$$;
+
+
+CREATE FUNCTION wire_out_delete_trigger()
+  RETURNS trigger
+  LANGUAGE plpgsql
+  AS $$
+BEGIN
+  DELETE FROM exchange.aggregation_tracking
+   WHERE wtid_raw = OLD.wtid_raw;
+  RETURN OLD;
+END $$;
+COMMENT ON FUNCTION wire_out_delete_trigger()
+  IS 'Replicate reserve_out deletions into aggregation_tracking. This replaces an earlier use of an ON DELETE CASCADE that required a DEFERRABLE constraint and conflicted with nice partitioning.';
+
+
+CREATE FUNCTION master_table_wire_out()
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+BEGIN
+  CREATE TRIGGER wire_out_on_delete
+    AFTER DELETE
+      ON wire_out
+     FOR EACH ROW EXECUTE FUNCTION wire_out_delete_trigger();
+END $$;
+
+
+INSERT INTO exchange_tables
+    (name
+    ,version
+    ,action
+    ,partitioned
+    ,by_range)
+  VALUES
+    ('wire_out'
+    ,'exchange-0002'
+    ,'create'
+    ,TRUE
+    ,FALSE),
+    ('wire_out'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('wire_out'
+    ,'exchange-0002'
+    ,'master'
+    ,TRUE
+    ,FALSE);