| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Marco Nenciarini <marco(dot)nenciarini(at)2ndquadrant(dot)it> |
| Cc: | Alex Hunsaker <badalex(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Support for array_remove and array_replace functions |
| Date: | 2012-07-11 15:54:50 |
| Message-ID: | 4960.1342022090@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Marco Nenciarini <marco(dot)nenciarini(at)2ndquadrant(dot)it> writes:
> Patch v3 attached.
I'm looking at this patch now. The restriction of array_remove to
one-dimensional arrays seems a bit annoying. I see the difficulty:
if the input is multi-dimensional then removing some elements could
lead to a non-rectangular array, which isn't supported. However,
that could be dealt with by decreeing that the *result* is
one-dimensional and of the necessary length, regardless of the
dimensionality of the input.
I'm not actually certain whether that's a better definition or not.
But one less error case seems like generally a good thing.
Comments?
regards, tom lane
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