Re: slow IN() clause for many cases

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, andrew(at)supernews(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: slow IN() clause for many cases
Date: 2005-11-30 07:05:41
Message-ID: 13993.1133334341@sss.pgh.pa.us
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Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
> Do these constructs have the same semantics w.r.t. NULL?

I think so, though it'd be good to read the spec closely.

> Currently arrays can't have nulls

That's so last week ;-)

regards, tom lane

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