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<?xml version="1.0" encoding="ISO-8859-1"?>
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Copyright (C) 1998-2018 OpenLink Software
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-->
<refentry id="fn_ST_GeometryN">
<refmeta>
<refentrytitle>ST_GeometryN</refentrytitle>
<refmiscinfo>geo</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ST_GeometryN</refname>
<refpurpose>Given a 1-based index of a member of a MULTI... or ...COLLECTION shape, returns the member. </refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_ST_GeometryN">
<funcprototype id="fproto_ST_GeometryN">
<funcdef><function>ST_GeometryN</function></funcdef>
<paramdef>in <parameter>shape</parameter> any</paramdef>
<paramdef>in <parameter>idx</parameter> any</paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_ST_GeometryN">
<title>Description</title>
<para>Given a 1-based index of a member of a MULTI... or ...COLLECTION shape, returns the member. </para>
</refsect1>
<refsect1 id="params_ST_GeometryN">
<title>Parameters</title>
<refsect2><title>shape</title><para>Shape.</para></refsect2>
<refsect2><title>idx</title><para>Index.</para></refsect2>
</refsect1>
<refsect1 id="ret_ST_GeometryN"><title>Return Types</title>
<para>Returns any.</para>
</refsect1>
<refsect1 id="examples_ST_GeometryN">
<title>Examples</title>
<example id="ex_ST_GeometryN"><title>Simple Use</title>
<screen><![CDATA[
SQL> select st_geometryn (
st_geometryn (
st_ewkt_read ('
GEOMETRYCOLLECTION(
POINT(0 0),
MULTILINESTRING(
(1 5,0 1,4 0,5 4),
(1 5,1 0,4 0,4 5)),
MULTIPOLYGON(
((1 3,2 4,1 5,0 4,1 3)),
((1 2,2 1,1 0,0 1,1 2))))'),
3),1)
_______________________________________________________________________________
POLYGON((1.0 3.0,2.0 4.0,1.0 5.0,0.0 4.0,1.0 3.0))
]]>
</screen>
</example>
</refsect1>
<refsect1 id="seealso_ST_GeometryN">
<title>See Also</title>
<para><link linkend="fn_ST_NumGeometries"><function>ST_NumGeometries()</function></link></para>
<para><link linkend="fn_GeometryType"><function>GeometryType()</function></link></para>
<para><link linkend="fn_st_point"><function>st_point</function></link></para>
<para><link linkend="fn_st_x"><function>st_x</function></link></para>
<para><link linkend="fn_st_y"><function>st_y</function></link></para>
<para><link linkend="fn_ST_Z"><function>ST_Z</function></link></para>
<para><link linkend="fn_st_distance"><function>st_distance</function></link></para>
<para><link linkend="fn_ST_SetSRID"><function>ST_SetSRID</function></link></para>
<para><link linkend="fn_st_astext"><function>st_astext</function></link></para>
<para><link linkend="fn_st_geomfromtext"><function>st_geomfromtext</function></link></para>
<para><link linkend="fn_st_intersects"><function>st_intersects</function></link></para>
<para><link linkend="fn_st_contains"><function>st_contains</function></link></para>
<para><link linkend="fn_st_within"><function>st_within</function></link></para>
<para><link linkend="fn_isgeometry"><function>isgeometry</function></link></para>
<para><link linkend="fn_geo_insert"><function>geo_insert</function></link></para>
<para><link linkend="fn_geo_delete"><function>geo_delete</function></link></para>
<para><link linkend="fn_rdf_geo_add"><function>DB.DBA.RDF_GEO_ADD</function></link></para>
<para><link linkend="fn_rdf_geo_fill"><function>DB.DBA.RDF_GEO_FILL</function></link></para>
</refsect1>
</refentry>
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