kazuyukitanimura commented on code in PR #1943:
URL: https://github.com/apache/datafusion-comet/pull/1943#discussion_r2176135700
##########
spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala:
##########
@@ -1179,6 +1179,29 @@ object QueryPlanSerde extends Logging with CometExprShim
{
})
optExprWithInfo(optExpr, expr, child)
+ case FromUnixTime(sec, format, timeZoneId) =>
+ val secExpr = exprToProtoInternal(sec, inputs, binding)
+ val formatExpr = exprToProtoInternal(format, inputs, binding)
+ val timeZone = exprToProtoInternal(Literal(timeZoneId.orNull), inputs,
binding)
+
+ // TODO: DataFusion toChar does not support Spark format
+ // https://github.com/apache/datafusion/issues/16577
+ // https://github.com/apache/datafusion/issues/14536
+ // TODO: DataFusion supports only -8334601211038 <= sec <=
8210266876799
+ // https://github.com/apache/datafusion/issues/16594
+ // if (secExpr.isDefined && formatExpr.isDefined) {
+ // val timestampExpr = scalarFunctionExprToProto("from_unixtime",
Seq(secExpr, timeZone): _*)
+ // val optExpr = scalarFunctionExprToProto("to_char",
Seq(timestampExpr, formatExpr): _*)
+ // optExprWithInfo(optExpr, expr, sec, format)
+ if (secExpr.isDefined && formatExpr.isDefined && format == Literal(
+ TimestampFormatter.defaultPattern)) {
+ val optExpr = scalarFunctionExprToProto("from_unixtime",
Seq(secExpr, timeZone): _*)
+ castToProto(expr, timeZoneId, StringType, optExpr.get,
CometEvalMode.LEGACY)
+ } else {
+ withInfo(expr, sec, format)
+ None
+ }
Review Comment:
thanks, updated
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