douglasdennis commented on code in PR #792:
URL: https://github.com/apache/sedona/pull/792#discussion_r1136510797
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sql/src/main/scala/org/apache/spark/sql/sedona_sql/expressions/NullSafeExpressions.scala:
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@@ -38,42 +38,85 @@ trait FoldableExpression extends Expression {
override def foldable: Boolean = children.forall(_.foldable)
}
-abstract class UnaryGeometryExpression extends Expression with
ExpectsInputTypes {
+trait SerdeAware {
+ def evalWithoutSerialization(input: InternalRow): Any
+}
+
+abstract class UnaryGeometryExpression extends Expression with SerdeAware with
ExpectsInputTypes {
def inputExpressions: Seq[Expression]
override def nullable: Boolean = true
override def inputTypes: Seq[AbstractDataType] = Seq(GeometryUDT)
override def eval(input: InternalRow): Any = {
- val geometry = inputExpressions.head.toGeometry(input)
+ val result = evalWithoutSerialization(input)
+ serializeResult(result)
+ }
+
+ override def evalWithoutSerialization(input: InternalRow): Any ={
+ val inputExpression = inputExpressions.head
+ val geometry = inputExpression match {
+ case expr: SerdeAware => expr.evalWithoutSerialization(input)
+ case expr: Any => expr.toGeometry(input)
+ }
Review Comment:
That seems to work great. I pulled the trait out into its own file to avoid
a circular dependency.
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