Re: Fix NULL pointer reference in _outPathTarget()

Alvaro Herrera <alvherre@alvh.no-ip.org>

From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Richard Guo <guofenglinux@gmail.com>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, pgsql-hackers@lists.postgresql.org
Date: 2022-04-19T09:53:33Z
Lists: pgsql-hackers
On 2022-Apr-18, Tom Lane wrote:

> I suppose that Peter was trying to remove special cases from the
> outfuncs.c code, but do we want to put this one back?  Richard's
> proposal would not accurately reflect the contents of the data
> structure, so I'm not too thrilled with it.

Yeah -- looking at the script to generate node support functions[1], it
might be better go back to the original formulation (i.e., your proposed
patch), and then use a "path_hack4" for this struct member, which looks
similar to other hacks already there for other cases that require
bespoke handling.

[1] https://postgr.es/m/bee9fdb0-cd10-5fdb-3027-c4b5a240bc74@enterprisedb.com

-- 
Álvaro Herrera        Breisgau, Deutschland  —  https://www.EnterpriseDB.com/



Commits

  1. Handle NULL fields in WRITE_INDEX_ARRAY