ES|QL ST_ISEMPTY function

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geometry

Expression of type geo_point, geo_shape, cartesian_point or cartesian_shape. If null, the function returns null.

Returns true if the supplied geometry is empty. An empty geometry is one that has no points, such as an empty geometry collection or an empty linestring.

ROW point = TO_GEOPOINT("POINT(1.0 2.0)"), empty_line = TO_GEOSHAPE("LINESTRING EMPTY"), empty_polygon = TO_GEOSHAPE("POLYGON EMPTY")
| EVAL pt_empty = ST_ISEMPTY(point), line_empty = ST_ISEMPTY(empty_line), polygon_empty = ST_ISEMPTY(empty_polygon)
| KEEP pt_empty, line_empty, polygon_empty