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authorTom Lane <tgl@sss.pgh.pa.us>2009-03-18 20:18:18 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2009-03-18 20:18:18 +0000
commit52e6371e7d7034e9142d8de204a3c3d045c12d13 (patch)
tree6e682a98c550d96928178432edac9095f5202779
parent47ce5955022945c0548e76dea24eb9a95c1b0d57 (diff)
downloadpostgresql-52e6371e7d7034e9142d8de204a3c3d045c12d13.tar.gz
postgresql-52e6371e7d7034e9142d8de204a3c3d045c12d13.zip
Be more clear about when to use gist__int_ops vs. gist__intbig_ops.
Per suggestion from Ron Mayer.
-rw-r--r--doc/src/sgml/intarray.sgml7
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/src/sgml/intarray.sgml b/doc/src/sgml/intarray.sgml
index 95121c1e9ba..ddf74218991 100644
--- a/doc/src/sgml/intarray.sgml
+++ b/doc/src/sgml/intarray.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/intarray.sgml,v 1.5 2007/12/10 05:32:51 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/intarray.sgml,v 1.6 2009/03/18 20:18:18 tgl Exp $ -->
<sect1 id="intarray">
<title>intarray</title>
@@ -237,9 +237,10 @@
<para>
Two GiST index operator classes are provided:
<literal>gist__int_ops</> (used by default) is suitable for
- small and medium-size arrays, while
+ small- to medium-size data sets, while
<literal>gist__intbig_ops</> uses a larger signature and is more
- suitable for indexing large arrays.
+ suitable for indexing large data sets (i.e., columns containing
+ a large number of distinct array values).
</para>
<para>