| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | "David E(dot) Wheeler" <david(at)kineticode(dot)com>, justin <justin(at)emproshunts(dot)com>, Greg Stark <stark(at)enterprisedb(dot)com>, Sam Mason <sam(at)samason(dot)me(dot)uk>, pgsql-general(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] string_to_array with empty input |
| Date: | 2009-04-02 18:50:57 |
| Message-ID: | 14230.1238698257@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Thu, Apr 2, 2009 at 2:18 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> If there's a camp that actually *wants* a NULL result for this case,
>> I missed the reasoning.
> So that we don't break existing apps because of an issue that is
> trivial to work around.
We would only be breaking them if a NULL result were actually the
correct behavior for the application's requirements, which seems
a bit unlikely.
regards, tom lane
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