private def getJoinDetection()

in spark/common/src/main/scala/org/apache/spark/sql/sedona_sql/strategy/join/JoinQueryDetector.scala [57:155]
99 lines of code
11 McCabe index (conditional complexity)

  private def getJoinDetection(
      left: LogicalPlan,
      right: LogicalPlan,
      predicate: ST_Predicate,
      extraCondition: Option[Expression] = None): Option[JoinQueryDetection] = {
    predicate match {
      case ST_Contains(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.CONTAINS,
            false,
            extraCondition))
      case ST_Intersects(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.INTERSECTS,
            false,
            extraCondition))
      case ST_Within(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.WITHIN,
            false,
            extraCondition))
      case ST_Covers(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.COVERS,
            false,
            extraCondition))
      case ST_CoveredBy(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.COVERED_BY,
            false,
            extraCondition))
      case ST_Overlaps(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.OVERLAPS,
            false,
            extraCondition))
      case ST_Touches(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.TOUCHES,
            false,
            extraCondition))
      case ST_Equals(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.EQUALS,
            false,
            extraCondition))
      case ST_Crosses(Seq(leftShape, rightShape)) =>
        Some(
          JoinQueryDetection(
            left,
            right,
            leftShape,
            rightShape,
            SpatialPredicate.CROSSES,
            false,
            extraCondition))
      case _ => None
    }
  }