From bc150693de763387735b3d9cfebe3f761cb9cb73 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 20 Feb 2022 19:25:56 +0100
Subject: [PATCH] -work around missing constraint, if not present

---
 src/exchangedb/plugin_exchangedb_postgres.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/exchangedb/plugin_exchangedb_postgres.c b/src/exchangedb/plugin_exchangedb_postgres.c
index 3d52bcfbc..2ae01f0cb 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -7942,7 +7942,7 @@ postgres_start_deferred_wire_out (void *cls)
   struct PostgresClosure *pg = cls;
   struct GNUNET_PQ_ExecuteStatement es[] = {
     GNUNET_PQ_make_execute ("START TRANSACTION ISOLATION LEVEL READ COMMITTED"),
-    GNUNET_PQ_make_execute ("SET CONSTRAINTS wire_out_ref DEFERRED"),
+    GNUNET_PQ_make_try_execute ("SET CONSTRAINTS wire_out_ref DEFERRED"),
     GNUNET_PQ_EXECUTE_STATEMENT_END
   };