sharpetronics/PostgreSQL
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-05-29 00:03:09 -04:00
Code Issues Projects Releases Wiki Activity

Defend against null input in analyze_requires_snapshot(), per report

Browse Source 
from Rushabh Lathia.
This commit is contained in:
Tom Lane 2009-01-08 13:42:33 +00:00
parent 3467f02957
commit 2e9650cbcf
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/backend/parser/analyze.c
View File

@ -17,7 +17,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.386 2009/01/01 17:23:45 momjian Exp $
* $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.387 2009/01/08 13:42:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -222,13 +222,17 @@ transformStmt(ParseState *pstate, Node *parseTree)
* Returns true if a snapshot must be set before doing parse analysis
* on the given raw parse tree.
*
* Classification here should match transformStmt().
* Classification here should match transformStmt(); but we also have to
* allow a NULL input (for Parse/Bind of an empty query string).
*/
bool
analyze_requires_snapshot(Node *parseTree)
{
bool result;
if (parseTree == NULL)
return false;
switch (nodeTag(parseTree))
{
/*