1 files changed, 57 insertions, 0 deletions
diff --git a/src/pq/pq_composite_types.c b/src/pq/pq_composite_types.c
new file mode 100644
index 000000000..ed51ef428
--- /dev/null
+++ b/src/pq/pq_composite_types.c
@@ -0,0 +1,57 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2023 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 pq/pq_composite_types.c
+ * @brief helper functions for Taler-specific libpq (PostGres) interactions with composite types
+ * @author Özgür Kesim
+ */
+#include "platform.h"
+#include <gnunet/gnunet_common.h>
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_pq_lib.h>
+#include "taler_pq_lib.h"
+#include "pq_common.h"
+
+Oid TALER_PQ_CompositeOIDs[TALER_PQ_CompositeMAX] = {0};
+
+enum GNUNET_GenericReturnValue
+TALER_PQ_load_oids_for_composite_types (
+  struct GNUNET_PQ_Context *db)
+{
+  static char *names[] = {
+    [TALER_PQ_CompositeAmount] = "taler_amount"
+  };
+  size_t num = sizeof(names) / sizeof(names[0]);
+
+  GNUNET_static_assert (num == TALER_PQ_CompositeMAX);
+
+  for (size_t i = 0; i < num; i++)
+  {
+    enum GNUNET_GenericReturnValue ret;
+    enum TALER_PQ_CompositeType typ = i;
+    ret = GNUNET_PQ_get_oid_by_name (db,
+                                     names[i],
+                                     &TALER_PQ_CompositeOIDs[typ]);
+    if (GNUNET_OK != ret)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "Failed to load OID for type %s\n",
+                  names[i]);
+      return GNUNET_SYSERR;
+    }
+  }
+  return GNUNET_OK;
+}