Re: How to share the result data of separated plan - Mailing list pgsql-hackers

From Tom Lane
Subject Re: How to share the result data of separated plan
Date
Msg-id 7148.1289147026@sss.pgh.pa.us
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In response to How to share the result data of separated plan  (Hitoshi Harada <umi.tanuki@gmail.com>)
Responses Re: How to share the result data of separated plan
List pgsql-hackers
Hitoshi Harada <umi.tanuki@gmail.com> writes:
> Up to now, in a portal we only have multiple plans that share nothing
> but relations, then executor starts, runs and ends separately.
> Writeable CTEs need the result tuplestore of separated plans that were
> executed before main query .

Um ... why?  I thought the whole point of breaking out ModifyTable
as a separate node type was so that a query involving writeable CTEs
would still be just one plan tree.
        regards, tom lane


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