From: Peter Eisentraut <peter_e@gmx.net>
Date: Wed, 14 Mar 2012 20:44:40 +0000 (+0200)
Subject: COPY: Add an assertion
X-Git-Tag: REL9_2_BETA1~282
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6f018c6dda201818251d8ead03866289b6b7e1c8;p=postgresql

COPY: Add an assertion

This is for tools such as Coverity that don't know that the grammar
enforces that the case of not having a relation (but instead a query)
cannot happen in the FROM case.
---

diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c
index 110480f6ea..517660d373 100644
--- a/src/backend/commands/copy.c
+++ b/src/backend/commands/copy.c
@@ -797,6 +797,8 @@ DoCopy(const CopyStmt *stmt, const char *queryString)
 
 	if (is_from)
 	{
+		Assert(rel);
+
 		/* check read-only transaction */
 		if (XactReadOnly && rel->rd_backend != MyBackendId)
 			PreventCommandIfReadOnly("COPY FROM");