<!-- $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>

<para>

Two GiST index operator classes are provided:

<literal>gist__int_ops</> (used by default) is suitable for

small and medium-sizearrays, while

small- to medium-sizedata 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>