Re: MULTISET and additional functions for ARRAY

From: "David E(dot) Wheeler" <david(at)kineticode(dot)com>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Darren Duncan <darren(at)darrenduncan(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: MULTISET and additional functions for ARRAY
Date: 2010-11-11 20:42:59
Message-ID: C810CBC1-6119-48FB-90AD-159BDD150B51@kineticode.com
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On Nov 11, 2010, at 12:08 PM, Alvaro Herrera wrote:

>> That sounds like a composite type to me.
>
> No, it's "perpendicular" in the sense that while a composite type allows
> you to have different columns, this multiset thing lets you have "rows"
> (I initially thought about them as sets of scalars, but AFAIU they could
> in turn be rows)

How is that different from an array of RECORDs?

Best,

David

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