Re: [GENERAL] Empty arrays with ARRAY[]

From: "Brendan Jurd" <direvus(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Martijn van Oosterhout" <kleptog(at)svana(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [GENERAL] Empty arrays with ARRAY[]
Date: 2007-11-27 15:52:17
Message-ID: 37ed240d0711270752g50218526u5ae1db2c8395782e@mail.gmail.com
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So far I've only considered the '::' cast syntax suggested in the
original proposal, e.g.:

ARRAY[]::text[]

I wonder whether we are also interested in catching CAST(), e.g.:

CAST(ARRAY[] AS text[])

I'm personally okay with leaving it at support for '::', but
admittedly I am heavily biased towards this syntax (I find CAST very
ugly). I suppose supporting CAST as well would be the more
predictable behaviour; I think people might be surprised if we
supported one form of casting but not the other.

Comments?

Regards,
BJ

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