id summary reporter owner description type status priority milestone component version severity resolution keywords cc 5333 Min and Max date for Shapefiles return NULL anitagraser warmerdam "Min and Max date for Shapefiles return NULL. The issue was noted in QGIS (http://hub.qgis.org/issues/9241). {{{ $ ogrinfo /tmp/test/test2.shp -sql ""SELECT MAX( 'DATE' ) from test2"" $ $ INFO: Open of `/tmp/test/test2.shp' $ using driver `ESRI Shapefile' successful. $ $ Layer name: test2 $ Geometry: 3D Point $ Feature Count: 1 $ Layer SRS WKT: $ (unknown) $ MAX_DATE: Date (10.0) $ OGRFeature(test2):0 $ MAX_DATE (Date) = (null) }}}" defect closed normal 1.11.0 OGR_SF 1.10.1 normal fixed ogr sql min max date