From 945821cbc842644f9d10de4ef36e8ef03d2d2253 Mon Sep 17 00:00:00 2001
From: Joseph <Joseph.xu@efrei.net>
Date: Thu, 10 Nov 2022 10:37:28 -0500
Subject: move few more functions

---
 src/exchangedb/pg_start.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/exchangedb/pg_start.c

(limited to 'src/exchangedb/pg_start.c')

diff --git a/src/exchangedb/pg_start.c b/src/exchangedb/pg_start.c
new file mode 100644
index 000000000..395b87733
--- /dev/null
+++ b/src/exchangedb/pg_start.c
@@ -0,0 +1,57 @@
+/*
+   This file is part of TALER
+   Copyright (C) 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/>
+ */
+/**
+ * @file exchangedb/pg_start.c
+ * @brief Implementation of the start function for Postgres
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_error_codes.h"
+#include "taler_dbevents.h"
+#include "taler_pq_lib.h"
+#include "pg_preflight.h"
+#include "pg_start.h"
+#include "pg_helper.h"
+
+enum GNUNET_GenericReturnValue
+TEH_PG_start (void *cls,
+                const char *name)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_ExecuteStatement es[] = {
+    GNUNET_PQ_make_execute ("START TRANSACTION ISOLATION LEVEL SERIALIZABLE"),
+    GNUNET_PQ_EXECUTE_STATEMENT_END
+  };
+
+  GNUNET_assert (NULL != name);
+  if (GNUNET_SYSERR ==
+      TEH_PG_preflight (pg))
+    return GNUNET_SYSERR;
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Starting transaction `%s'\n",
+              name);
+  if (GNUNET_OK !=
+      GNUNET_PQ_exec_statements (pg->conn,
+                                 es))
+  {
+    TALER_LOG_ERROR ("Failed to start transaction\n");
+    GNUNET_break (0);
+    return GNUNET_SYSERR;
+  }
+  pg->transaction_name = name;
+  return GNUNET_OK;
+}
+
-- 
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