nimesh1601 commented on code in PR #10567:
URL:
https://github.com/apache/incubator-gluten/pull/10567#discussion_r2314334068
##########
gluten-substrait/src/main/scala/org/apache/gluten/expression/ExpressionConverter.scala:
##########
@@ -276,26 +276,38 @@ object ExpressionConverter extends SQLConfHelper with
Logging {
substraitExprName,
replaceWithExpressionTransformer0(r.child, attributeSeq,
expressionsMap),
r)
- case t: ToUnixTimestamp =>
+ case expr @ (_: ToUnixTimestamp | _: UnixTimestamp) =>
+ // Extract common fields - both ToUnixTimestamp and UnixTimestamp have
the same fields
+ val (timeExp, format, timeZoneId, failOnError) = expr match {
+ case t: ToUnixTimestamp => (t.timeExp, t.format, t.timeZoneId,
t.failOnError)
+ case u: UnixTimestamp => (u.timeExp, u.format, u.timeZoneId,
u.failOnError)
+ }
// The failOnError depends on the config for ANSI. ANSI is not
supported currently.
// And timeZoneId is passed to backend config.
- GenericExpressionTransformer(
- substraitExprName,
- Seq(
- replaceWithExpressionTransformer0(t.timeExp, attributeSeq,
expressionsMap),
- replaceWithExpressionTransformer0(t.format, attributeSeq,
expressionsMap)
- ),
- t
- )
- case u: UnixTimestamp =>
- GenericExpressionTransformer(
- substraitExprName,
- Seq(
- replaceWithExpressionTransformer0(u.timeExp, attributeSeq,
expressionsMap),
- replaceWithExpressionTransformer0(u.format, attributeSeq,
expressionsMap)
- ),
- ToUnixTimestamp(u.timeExp, u.format, u.timeZoneId, u.failOnError)
- )
+ val toUnixTimestamp = ToUnixTimestamp(timeExp, format, timeZoneId,
failOnError)
+ val timeExpTransformer =
+ replaceWithExpressionTransformer0(timeExp, attributeSeq,
expressionsMap)
+
+ // For timestamp and date inputs, the format parameter is ignored as
per Spark behavior.
+ timeExp.dataType match {
+ case _: TimestampType =>
+ // For timestamp input, use custom transformer to generate correct
signature
+ ToUnixTimestampTransformer(
+ substraitExprName,
+ timeExpTransformer,
+ toUnixTimestamp
+ )
+ case _ =>
+ // For other inputs (date, string), use original logic
+ GenericExpressionTransformer(
+ substraitExprName,
+ Seq(
+ timeExpTransformer,
+ replaceWithExpressionTransformer0(format, attributeSeq,
expressionsMap)
+ ),
+ toUnixTimestamp
+ )
+ }
Review Comment:
Thanks @rui-mo !
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