andygrove commented on code in PR #1700:
URL: https://github.com/apache/datafusion-comet/pull/1700#discussion_r2068997181
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spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala:
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@@ -1430,6 +1430,27 @@ object QueryPlanSerde extends Logging with CometExprShim
{
val optExpr = scalarFunctionExprToProto("ascii", childExpr)
optExprWithInfo(optExpr, expr, castExpr)
+ case RegExpReplace(subject, pattern, replacement, startPosition) =>
Review Comment:
`RLike` has this behavior:
```scala
case RLike(left, right) =>
// we currently only support scalar regex patterns
right match {
case Literal(pattern, DataTypes.StringType) =>
if (!RegExp.isSupportedPattern(pattern.toString) &&
!CometConf.COMET_REGEXP_ALLOW_INCOMPATIBLE.get()) {
withInfo(
expr,
s"Regexp pattern $pattern is not compatible with Spark. " +
s"Set
${CometConf.COMET_REGEXP_ALLOW_INCOMPATIBLE.key}=true " +
"to allow it anyway.")
return None
}
```
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