Обсуждение: pgsql: Teach nodeMergejoin how to handle DESC and/or NULLS FIRST sort

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pgsql: Teach nodeMergejoin how to handle DESC and/or NULLS FIRST sort

От
tgl@postgresql.org (Tom Lane)
Дата:
Log Message:
-----------
Teach nodeMergejoin how to handle DESC and/or NULLS FIRST sort orders.
So far only tested by hacking the planner ...

Modified Files:
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    pgsql/src/backend/executor:
        nodeMergejoin.c (r1.85 -> r1.86)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeMergejoin.c.diff?r1=1.85&r2=1.86)