Re: Unable to compare _bpchar for similarity in WHERE-clause

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От Bruce Momjian
Тема Re: Unable to compare _bpchar for similarity in WHERE-clause
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Msg-id 200112151612.fBFGCXA02112@candle.pha.pa.us
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Ответ на Re: Unable to compare _bpchar for similarity in WHERE-clause (MINOR A NNOYANCE)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Unable to compare _bpchar for similarity in WHERE-clause (MINOR A NNOYANCE)  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-bugs
> Nicolai@ISYS.DK writes:
> > When I try to write an UPDATE where I include a WHERE-clause like:
> > [WHERE something='{"a","b","c"}], where something is a character[], i get
> > the errormessage:[Unable to identify an operator = for types '_bpchar and
> > 'unknown' You will have to retype this query using an explicit cast]
> > The above statement works for text[].
>
> Hmm.  Looks like there is a pg_operator entry for text[] = text[],
> but none for bpchar[] = bpchar[].  This is an oversight, nothing more.
> Feel free to add such an entry --- it can point to the same array-equals
> function as the one for text[].
>
> It's too late to fix this in the standard catalogs for 7.2, but I'll
> make a note for 7.3.

Added to TODO:

    * Add bpchar array comparison

--
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