andygrove commented on code in PR #2287:
URL: https://github.com/apache/datafusion-comet/pull/2287#discussion_r2319087877
##########
spark/src/main/scala/org/apache/comet/serde/math.scala:
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@@ -112,6 +112,40 @@ object CometLog2 extends CometExpressionSerde[Log2] with
MathExprBase {
}
}
+object CometHex extends CometExpressionSerde[Hex] with MathExprBase {
+ override def convert(
+ expr: Hex,
+ inputs: Seq[Attribute],
+ binding: Boolean): Option[ExprOuterClass.Expr] = {
+ val childExpr = exprToProtoInternal(expr.child, inputs, binding)
+ val optExpr = scalarFunctionExprToProtoWithReturnType("hex",
expr.dataType, childExpr)
+ optExprWithInfo(optExpr, expr, expr.child)
+ }
+}
+
+object CometUnhex extends CometExpressionSerde[Unhex] with MathExprBase {
+ override def convert(
+ expr: Unhex,
+ inputs: Seq[Attribute],
+ binding: Boolean): Option[ExprOuterClass.Expr] = {
+ val unHex = unhexSerde(expr)
+
+ val childExpr = exprToProtoInternal(unHex._1, inputs, binding)
+ val failOnErrorExpr = exprToProtoInternal(unHex._2, inputs, binding)
+
+ val optExpr =
+ scalarFunctionExprToProtoWithReturnType("unhex", expr.dataType,
childExpr, failOnErrorExpr)
+ optExprWithInfo(optExpr, expr, unHex._1)
+ }
+
+ /**
+ * Returns a tuple of expressions for the `unhex` function.
+ */
+ private def unhexSerde(unhex: Unhex): (Expression, Expression) = {
+ (unhex.child, Literal(unhex.failOnError))
Review Comment:
Agreed
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