jiayuasu commented on code in PR #610:
URL: https://github.com/apache/incubator-sedona/pull/610#discussion_r851720081
##########
sql/src/main/scala/org/apache/spark/sql/sedona_sql/strategy/join/JoinQueryDetector.scala:
##########
@@ -69,6 +69,8 @@ class JoinQueryDetector(sparkSession: SparkSession) extends
Strategy {
Some(JoinQueryDetection(left, right, leftShape, rightShape, false,
extraCondition))
case ST_Crosses(Seq(leftShape, rightShape)) =>
Some(JoinQueryDetection(right, left, rightShape, leftShape, false,
extraCondition))
+ case ST_Disjoint(Seq(leftShape, rightShape)) =>
+ Some(JoinQueryDetection(left, right, leftShape, rightShape, false,
extraCondition))
case _ => None
Review Comment:
Please do NOT make any change to this file because ST_Disjoint-based join in
Spark cannot be optimized bySedona.
##########
flink/src/main/java/org/apache/sedona/flink/expressions/Predicates.java:
##########
@@ -104,4 +104,28 @@ public Boolean eval(@DataTypeHint("INT") Integer key,
@DataTypeHint(value = "RAW
return JudgementHelper.match(geom1, geom2, halfOpenRectangle,
false);
}
}
+
+ public static class ST_Disjoint extends ScalarFunction {
+ private List<Envelope> grids;
+
+ /**
+ * Constructor for duplicate removal
+ */
+ public ST_Disjoint(PartitioningUtils partitioner) {
+ grids = partitioner.fetchLeafZones();
+ }
+
+ /**
+ * Constructor for relation checking without duplicate removal
+ */
+ public ST_Disjoint() {
+ }
+
+ @DataTypeHint("Boolean")
+ public Boolean eval(@DataTypeHint(value = "RAW", bridgedTo =
org.locationtech.jts.geom.Geometry.class) Object o1, @DataTypeHint(value =
"RAW", bridgedTo = org.locationtech.jts.geom.Geometry.class) Object o2) {
+ Geometry geom1 = (Geometry) o1;
Review Comment:
Please also add a test to Flink. Thanks!
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