Alexander Bruy 7bd8c071f3 port Basic statistics for fields algorithm to C++
Also add new optional output a table containing calculated statistics
similar to the Statistics by categories algorithm (fix #46241)
2024-07-05 05:18:25 +10:00

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XML

<?xml version="1.0" encoding="utf-8" ?>
<ogr:FeatureCollection
gml:id="aFeatureCollection"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://ogr.maptools.org/ statistics_date.xsd"
xmlns:ogr="http://ogr.maptools.org/"
xmlns:gml="http://www.opengis.net/gml/3.2">
<gml:boundedBy><gml:Null /></gml:boundedBy>
<ogr:featureMember>
<ogr:statistics_date gml:id="statistics_date.0">
<ogr:count>4</ogr:count>
<ogr:unique>4</ogr:unique>
<ogr:empty>1</ogr:empty>
<ogr:filled>3</ogr:filled>
<ogr:min>2014-11-30</ogr:min>
<ogr:max>2016-11-30</ogr:max>
<ogr:range>63158400</ogr:range>
</ogr:statistics_date>
</ogr:featureMember>
</ogr:FeatureCollection>