From 6629bc79f1ec09e49c17812789546606c96122fd Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Tue, 16 Aug 2005 00:48:12 +0000
Subject: [PATCH] Reject operator names >= NAMEDATALEN characters. These will
not work anyway, and in assert-enabled builds you are likely to get an
assertion failure. Backpatch as far as 7.3; 7.2 seems not to have the
problem.
---
src/backend/parser/scan.l | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l
index f9b0dbdb75b..2a56c44a56b 100644
--- a/src/backend/parser/scan.l
+++ b/src/backend/parser/scan.l
@@ -24,7 +24,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.127 2005/06/26 19:16:05 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.128 2005/08/16 00:48:12 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -633,6 +633,15 @@ other .
return yytext[0];
}
+ /*
+ * Complain if operator is too long. Unlike the case
+ * for identifiers, we make this an error not a notice-
+ * and-truncate, because the odds are we are looking at
+ * a syntactic mistake anyway.
+ */
+ if (nchars >= NAMEDATALEN)
+ yyerror("operator too long");
+
/* Convert "!=" operator to "<>" for compatibility */
if (strcmp(yytext, "!=") == 0)
yylval.str = pstrdup("<>");
--
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