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Enable bushy and right-hand queries by default.

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Bruce Momjian
1999-02-18 06:01:11 +00:00
parent 65ccd1039a
commit b4e7510e09
6 changed files with 12 additions and 153 deletions
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20
src/man/set.l
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@ -1,6 +1,6 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/set.l,v 1.14 1999/02/14 04:57:02 momjian Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/set.l,v 1.15 1999/02/18 06:01:11 momjian Exp $
.TH SET SQL 05/14/97 PostgreSQL PostgreSQL
.SH NAME
set - set run-time parameters for session
@ -60,24 +60,6 @@ for more information.
on=10 - use for statements with 10 or more tables
off - do not use the genetic optimizer
.fi
.PP
.IR R_PLANS
enables or disables right-hand evaluation of plans. It may be useful
when joining big relations with small ones. This algorithm is
.IR off
by default. It's not used by GEQO anyway.
.if n .ta 5 +15 +40
.if t .ta 0.5i +1.5i +3.0i
.in 0
.nf
.ce 1
\fBR_PLANS Values\fR
on - turn right-hand plan evaluation 'on'
off - do not use right-hand plan evaluation
.fi
.PP
.IR QUERY_LIMIT
restricts the number of rows returned by a query.