| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Roberto Moreda <moreda(at)sanluis(dot)net> |
| Cc: | gpsql-general <pgsql-general(at)hub(dot)org> |
| Subject: | Re: [GENERAL] What is R_PLANS? |
| Date: | 1999-08-06 14:57:16 |
| Message-ID: | 199908061457.KAA07844@candle.pha.pa.us |
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| Lists: | pgsql-general |
[Charset iso-8859-1 unsupported, filtering to ASCII...]
> Please, can someone tell me what is the variable R_PLANS?
In 6.5.*, rplans are on by default. They allow multi-table joins to be
on the inside of a join, rather than only outer, which is a left-handed
join. See src/backend/optimizer/README.
--
Bruce Momjian | http://www.op.net/~candle
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