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Re: Missing array support

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Joe Conway <mail(at)joeconway(dot)com>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>,PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Missing array support
Date: 2003-06-28 04:10:53
Message-ID: 15531.1056773453@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Joe Conway <mail(at)joeconway(dot)com> writes:
> So array[] should produce '{}' of (an array) type determined by the 
> context? OK -- seems easy enough.

Is it?  I think we'd decided that this could only reasonably be handled
by creating a datatype representing array-of-UNKNOWN.  I'm afraid to do
that because I think it might allow the parser's type resolution
algorithms to follow paths we will not like.  Perhaps it can be made to
work, but I think it will require some careful study.

			regards, tom lane

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