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Added: 

Note: currently, only btree access method supports  multi-
       attribute indices.  Up to 7 keys may be specified.
This commit is contained in:
Vadim B. Mikheev 1997-05-14 01:38:34 +00:00
parent 45165538c5
commit 073adc5a25
1 changed files with 7 additions and 2 deletions
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9
src/man/create_index.l
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@ -1,6 +1,6 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/create_index.l,v 1.5 1997/05/13 04:41:51 momjian Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/create_index.l,v 1.6 1997/05/14 01:38:34 vadim Exp $
.TH "CREATE INDEX" SQL 11/05/95 PostgreSQL PostgreSQL
.SH NAME
create index \(em construct a secondary index
@ -8,7 +8,7 @@ create index \(em construct a secondary index
.nf
\fBcreate\fR [\fBunique\fR] \fBindex\fR index-name
\fBon\fR classname [\fBusing\fR am-name]
\fB(\fR attname, ... [type_class\fB] )\fR
\fB(\fR attname [type_class], ...\fB )\fR
\fBcreate\fR [\fBunique\fR] \fBindex\fR index-name
\fBon\fR classname [\fBusing\fR am-name]
@ -34,6 +34,11 @@ integers.
The default operator class is the appropriate operator class for
that field type.
.PP
\fBNote:\fR currently, only
.IR btree
access method supports multi-attribute indices.
Up to 7 keys may be specified.
.PP
In the second syntax shown above, an index can be defined on the
result of a user-defined function
.IR funcname