Re: pgsql: Support RIGHT and FULL OUTER JOIN in hash joins.

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От Robert Haas
Тема Re: pgsql: Support RIGHT and FULL OUTER JOIN in hash joins.
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Msg-id AANLkTi=MDaMvTDhzQiSa3LaMGXx_8ScgPaRramzFxd7M@mail.gmail.com
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Ответ на pgsql: Support RIGHT and FULL OUTER JOIN in hash joins.  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: pgsql: Support RIGHT and FULL OUTER JOIN in hash joins.
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On Thu, Dec 30, 2010 at 8:26 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Support RIGHT and FULL OUTER JOIN in hash joins.

This is cool, but on first blush your changes to
add_paths_to_joinrel() appear to be total nonsense.  I think the
problem is that have_nonmergeable_clause is really a misnomer - it's
not clear until you read through the whole diff that this won't get
set for inner/left joins.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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