package com.esri.hadoop.hive;
import org.apache.hadoop.hive.ql.exec.Description;
import com.esri.core.geometry.OperatorOverlaps;
import com.esri.core.geometry.OperatorSimpleRelation;
@Description(
name = "ST_Overlaps",
value = "_FUNC_(geometry1, geometry2) - return true if geometry1 overlaps geometry2",
extended = "Example:\n" +
"SELECT _FUNC_(st_polygon(2,0, 2,3, 3,0), st_polygon(1,1, 1,4, 4,4, 4,1)) from src LIMIT 1; -- return true\n" +
"SELECT _FUNC_(st_polygon(2,0, 2,1, 3,1), ST_Polygon(1,1, 1,4, 4,4, 4,1)) from src LIMIT 1; -- return false"
)
public class ST_Overlaps extends ST_GeometryRelational {
@Override
protected OperatorSimpleRelation getRelationOperator() {
return OperatorOverlaps.local();
}
@Override
public String getDisplayString(String[] args) {
return String.format("returns true if %s overlaps %s", args[0], args[1]);
}
}