Compare escaped chars case insensitively for ILIKE - per gripe from TGL.

adunstan · adunstan · commit bc965e840ad9 · 2008-09-27T16:53:54.000Z
diff --git a/src/backend/utils/adt/like_match.c b/src/backend/utils/adt/like_match.c
@@ -19,7 +19,7 @@
  * Copyright (c) 1996-2008, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	$PostgreSQL: pgsql/src/backend/utils/adt/like_match.c,v 1.22 2008/09/26 02:16:40 tgl Exp $
+ *	$PostgreSQL: pgsql/src/backend/utils/adt/like_match.c,v 1.23 2008/09/27 16:53:54 adunstan Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -103,7 +103,7 @@ MatchText(char *t, int tlen, char *p, int plen)
 				ereport(ERROR,
 						(errcode(ERRCODE_INVALID_ESCAPE_SEQUENCE),
 						 errmsg("LIKE pattern must not end with escape character")));
-			if (*p != *t)
+			if (TCHAR(*p) != TCHAR(*t))
 				return LIKE_FALSE;
 		}
 		else if (*p == '%')

Original file line number	Diff line number	Diff line change
`@@ -19,7 +19,7 @@`
`19`	`19`	`* Copyright (c) 1996-2008, PostgreSQL Global Development Group`
`20`	`20`	`*`
`21`	`21`	`* IDENTIFICATION`
`22`		`- * $PostgreSQL: pgsql/src/backend/utils/adt/like_match.c,v 1.22 2008/09/26 02:16:40 tgl Exp $`
	`22`	`+ * $PostgreSQL: pgsql/src/backend/utils/adt/like_match.c,v 1.23 2008/09/27 16:53:54 adunstan Exp $`
`23`	`23`	`*`
`24`	`24`	`*-------------------------------------------------------------------------`
`25`	`25`	`*/`
`@@ -103,7 +103,7 @@ MatchText(char t, int tlen, char p, int plen)`
`103`	`103`	`ereport(ERROR,`
`104`	`104`	`(errcode(ERRCODE_INVALID_ESCAPE_SEQUENCE),`
`105`	`105`	`errmsg("LIKE pattern must not end with escape character")));`
`106`		`- if (p != t)`
	`106`	`+ if (TCHAR(p) != TCHAR(t))`
`107`	`107`	`return LIKE_FALSE;`
`108`	`108`	`}`
`109`	`109`	`else if (*p == '%')`