2016-12-07 22:17 GMT+01:00 Alvaro Herrera <alvhe...@2ndquadrant.com>:

> Tom Lane wrote:
>
> > In HEAD, we could change the RTE data structure so that
> > transformValuesClause could save the typmod information in the RTE,
> > keeping the lookups cheap.
>
> Hmm, I think this would be useful for the XMLTABLE patch too.  I talked
> a bit about it at
> https://www.postgresql.org/message-id/20161122204730.
> dgipy6gxi25j4e6a@alvherre.pgsql
>
> The patch has evolved quite a bit since then, but the tupdesc continues
> to be a problem.  Latest patch is at
> https://www.postgresql.org/message-id/CAFj8pRBsrhwR636-_
> 3TPbqu%3DFo3_DDer6_yp_afzR7qzhW1T6Q%40mail.gmail.com


What do you dislike on tupdesc usage there?

regards

Pavel

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> Álvaro Herrera                https://www.2ndQuadrant.com/
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