<refsection>
<title>See Also</title>
- <para><xref linkend="ST_Geometry_Overleft" />, <xref linkend="ST_Geometry_Overright" /></para>
+ <para><xref linkend="ST_Geometry_Overleft" />, <xref linkend="ST_Geometry_Overright" />, <xref linkend="ST_Geometry_Overbelow" /></para>
</refsection>
</refentry>
<funcprototype>
<!-- TODO: Ideally, it would be nice if this coule be reordered to
"boolean (geometry A &< geometry B)" instead of
- "boolean &&( geometry A, geometry B)" -->
+ "boolean &<( geometry A, geometry B)" -->
<funcdef>boolean <function>&<</function></funcdef>
<paramdef>
<refsection>
<title>See Also</title>
- <para><xref linkend="ST_Geometry_Overlaps" />, <xref linkend="ST_Geometry_Overright" /></para>
+ <para><xref linkend="ST_Geometry_Overlaps" />, <xref linkend="ST_Geometry_Overright" />, <xref linkend="ST_Geometry_Overbelow" /></para>
+ </refsection>
+ </refentry>
+
+ <refentry id="ST_Geometry_Overbelow">
+ <refnamediv>
+ <refname>&<|</refname>
+
+ <refpurpose>Returns <varname>TRUE</varname> if A overlaps or is below B.</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcprototype>
+ <!-- TODO: Ideally, it would be nice if this coule be reordered to
+ "boolean (geometry A &<| geometry B)" instead of
+ "boolean &<|( geometry A, geometry B)" -->
+ <funcdef>boolean <function>&<|</function></funcdef>
+
+ <paramdef>
+ <type>geometry </type>
+
+ <parameter>A</parameter>
+ </paramdef>
+
+ <paramdef>
+ <type>geometry </type>
+
+ <parameter>B</parameter>
+ </paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <refsection>
+ <title>Description</title>
+
+ <para>The <varname>&<|</varname> operator returns <varname>TRUE</varname> if the bounding box of geometry A
+ overlaps or is below of the bounding box of geometry B, or more accurately, overlaps or is NOT above the bounding
+ box of geometry B.</para>
+ </refsection>
+
+ <refsection>
+ <title>Examples</title>
+
+ <programlisting>SELECT tbl1.column1, tbl2.column1, tbl1.column2 &<| tbl2.column2 AS overlaps
+FROM
+ ( VALUES
+ (1, 'LINESTRING(6 0, 6 4)'::geometry)) AS tbl1,
+ ( VALUES
+ (2, 'LINESTRING(0 0, 3 3)'::geometry),
+ (3, 'LINESTRING(0 1, 0 5)'::geometry),
+ (4, 'LINESTRING(1 2, 4 6)'::geometry)) AS tbl2;
+
+ column1 | column1 | overlaps
+---------+---------+----------
+ 1 | 2 | f
+ 1 | 3 | t
+ 1 | 4 | t
+(3 rows)</programlisting>
+ </refsection>
+
+ <refsection>
+ <title>See Also</title>
+
+ <para><xref linkend="ST_Geometry_Overlaps" />, <xref linkend="ST_Geometry_Overleft" />, <xref linkend="ST_Geometry_Overright" /></para>
</refsection>
</refentry>
<funcprototype>
<!-- TODO: Ideally, it would be nice if this coule be reordered to
"boolean (geometry A &> geometry B)" instead of
- "boolean &&( geometry A, geometry B)" -->
+ "boolean &>( geometry A, geometry B)" -->
<funcdef>boolean <function>&></function></funcdef>
<paramdef>
<refsection>
<title>See Also</title>
- <para><xref linkend="ST_Geometry_Overlaps" />, <xref linkend="ST_Geometry_Overleft" /></para>
+ <para><xref linkend="ST_Geometry_Overlaps" />, <xref linkend="ST_Geometry_Overleft" />, <xref linkend="ST_Geometry_Overbelow" /></para>
</refsection>
</refentry>