From: Robert Haas <rhaas@postgresql.org>
Date: Fri, 18 Dec 2015 17:37:43 +0000 (-0500)
Subject: Fix TupleQueueReaderNext not to ignore its nowait argument.
X-Git-Tag: REL9_6_BETA1~975
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2bdfcb52c5d1446a1f19cc8bf16d44911658bcac;p=postgresql

Fix TupleQueueReaderNext not to ignore its nowait argument.

This was a silly goof on my (rhaas's) part.

Report and fix by Rushabh Lathia.
---

diff --git a/src/backend/executor/tqueue.c b/src/backend/executor/tqueue.c
index d625b0d800..276956e3f1 100644
--- a/src/backend/executor/tqueue.c
+++ b/src/backend/executor/tqueue.c
@@ -535,7 +535,7 @@ TupleQueueReaderNext(TupleQueueReader *reader, bool nowait, bool *done)
 		void	   *data;
 
 		/* Attempt to read a message. */
-		result = shm_mq_receive(reader->queue, &nbytes, &data, true);
+		result = shm_mq_receive(reader->queue, &nbytes, &data, nowait);
 
 		/* If queue is detached, set *done and return NULL. */
 		if (result == SHM_MQ_DETACHED)