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From: Peter Eisentraut <[email protected]>
To: Tom Lane <[email protected]>
Cc: Susanne Ebrecht <[email protected]>
Cc: Ingmar Brouns <[email protected]>
Cc: [email protected]
Subject: Re: BUG #5926: information schema dtd_identifier for element_types, columns, parameters views inconsistent
Date: Wed, 08 Jun 2011 20:38:00 +0300
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

On ons, 2011-06-08 at 11:09 -0400, Tom Lane wrote:
> The omission of collection_type_identifier from the docs is clearly a
> doc bug.  However, it looks to me like you've identified an error in the
> view definition, not only a doc bug.  I think the values of the
> dtd_identifier and collection_type_identifier columns are swapped, ie,
> we ought to be prepending 'a' to the collection_type_identifier not the
> dtd_identifier.  As far as I can tell from the spec, dtd_identifier
> ought to be the identifier of the element type, while
> collection_type_identifier should be a made-up identifier for the array
> type.  That would make the sample query given in the docs correct.

Yes, we need to switch those two columns around and change the
documentation.

> If my analysis is correct, we really ought to try to fix this in time
> for beta2, since there's no way to fix it without a forced initdb.

I can take care of this later today.

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