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Disallow zero-length delimited identifier (per SQL).

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This commit is contained in:
Peter Eisentraut 2000-10-30 17:54:16 +00:00
parent c7a3e0dfcb
commit d397c1c8a2
1 changed files with 5 additions and 3 deletions
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8
src/backend/parser/scan.l
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@ -9,10 +9,12 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.78 2000/10/29 16:11:33 petere Exp $ * $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.79 2000/10/30 17:54:16 petere Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
#include "postgres.h"
#include <ctype.h> #include <ctype.h>
#include <unistd.h> #include <unistd.h>
#ifndef __linux__ #ifndef __linux__
@ -20,8 +22,6 @@
#endif #endif
#include <errno.h> #include <errno.h>
#include "postgres.h"
#include "miscadmin.h" #include "miscadmin.h"
#include "nodes/parsenodes.h" #include "nodes/parsenodes.h"
#include "nodes/pg_list.h" #include "nodes/pg_list.h"
@ -347,6 +347,8 @@ other .
} }
<xd>{xdstop} { <xd>{xdstop} {
BEGIN(INITIAL); BEGIN(INITIAL);
if (strlen(literalbuf) == 0)
elog(ERROR, "zero-length delimited identifier");
if (strlen(literalbuf) >= NAMEDATALEN) if (strlen(literalbuf) >= NAMEDATALEN)
{ {
#ifdef MULTIBYTE #ifdef MULTIBYTE