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Fix oversight in the previous patch that made LIKE throw error for \ at the

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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.
This commit is contained in:
Tom Lane 2010-05-28 18:18:19 +00:00
parent 9b94e3696e
commit ece869b11e
1 changed files with 4 additions and 2 deletions
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6
src/backend/utils/adt/like_match.c
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@ -19,7 +19,7 @@
* Copyright (c) 1996-2010, PostgreSQL Global Development Group * Copyright (c) 1996-2010, PostgreSQL Global Development Group
* *
* IDENTIFICATION * 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 (*p == '\\')
{ {
if (plen < 2) 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]); firstpat = GETCHAR(p[1]);
} }
else else