From 8901936e9aa112e7e3de6dabd16aa8b0b28456b9 Mon Sep 17 00:00:00 2001
From: Burak Velioglu <buvelio@microsoft.com>
Date: Thu, 10 Feb 2022 00:04:51 +0300
Subject: [PATCH] Check whether the function call is in transaction block

---
 src/backend/distributed/commands/function.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/backend/distributed/commands/function.c b/src/backend/distributed/commands/function.c
index 97dcca3ca..0c3544486 100644
--- a/src/backend/distributed/commands/function.c
+++ b/src/backend/distributed/commands/function.c
@@ -1169,6 +1169,12 @@ GetAggregateDDLCommand(const RegProcedure funcOid, bool useCreateOrReplace)
 static void
 EnsureSequentialModeForFunctionDDL(void)
 {
+	if (!IsTransactionBlock())
+	{
+		/* we do not need to switch to sequential mode if we are not in a transaction */
+		return;
+	}
+
 	if (ParallelQueryExecutedInTransaction())
 	{
 		ereport(ERROR, (errmsg("cannot create function because there was a "