Horton

Re: write past chunk end in ExprContext / to_char

Alvaro Herrera <alvherre@commandprompt.com>

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From: Alvaro Herrera <alvherre@commandprompt.com>
To: Patrick Welche <prlw1@newn.cam.ac.uk>
Cc: pgsql-hackers@postgresql.org
Date: 2007-06-28T18:29:12Z
Lists: pgsql-hackers 
Patrick Welche wrote:
> With today's CVS code (originally noticed with 8.2beta3), on a PC where
> INT_MAX=0x7FFFFFFF=2147483647
> 
> postgres=# select to_char(1234567890123,'999,999,999,999');
> WARNING:  detected write past chunk end in ExprContext 0x845509c
> WARNING:  detected write past chunk end in ExprContext 0x845509c
>      to_char      
> ------------------
>   ###,###,###,###
> (1 row)

Yes, it fails in 7.3, 7.4, 8.0, 8.1, 8.2 and HEAD.  Thanks for the
report.

-- 
Alvaro Herrera                  http://www.amazon.com/gp/registry/5ZYLFMCVHXC
"Executive Executive Summary: The [Windows] Vista Content Protection
 specification could very well constitute the longest suicide note in history."
      Peter Guttman, http://www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.txt