Re: Don't pass NULL pointer to strcmp().

On Wed, Nov 01, 2023 at 10:39:04PM -0400, Tom Lane wrote:
> Nathan Bossart  writes:
>> What if we disallowed NULL string GUCs in v17?
> 
> Well, we'd need to devise some other solution for hacks like the
> one used by timezone_abbreviations (see comment in
> check_timezone_abbreviations).  I think it's not worth the trouble,
> especially seeing that 95% of guc.c is already set up for this.
> The bugs are mostly in newer code like get_explain_guc_options,
> and I think that's directly traceable to the lack of any comments
> or docs about this behavior.

Eh, yeah, it's probably not worth it if we find ourselves trading one set
of hacks for another.

-- 
Nathan Bossart
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