From ece869b11eedd082ccd0bbd73ab9013c9ad9fa13 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 28 May 2010 18:18:19 +0000
Subject: [PATCH] Fix oversight in the previous patch that made LIKE throw
error for \ at the end of the pattern: the code path that handles \ just
after % should throw error too. As in the previous patch, not back-patching
for fear of breaking apps that worked before.
---
src/backend/utils/adt/like_match.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/backend/utils/adt/like_match.c b/src/backend/utils/adt/like_match.c
index b67ba020cf3..be3b9515dfe 100644
--- a/src/backend/utils/adt/like_match.c
+++ b/src/backend/utils/adt/like_match.c
@@ -19,7 +19,7 @@
* Copyright (c) 1996-2010, PostgreSQL Global Development Group
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/like_match.c,v 1.28 2010/05/28 17:35:23 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/like_match.c,v 1.29 2010/05/28 18:18:19 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -158,7 +158,9 @@ MatchText(char *t, int tlen, char *p, int plen)
if (*p == '\\')
{
if (plen < 2)
- return LIKE_FALSE; /* XXX should throw error */
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_ESCAPE_SEQUENCE),
+ errmsg("LIKE pattern must not end with escape character")));
firstpat = GETCHAR(p[1]);
}
else
--
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