Yohahaha commented on code in PR #7476:
URL: https://github.com/apache/incubator-gluten/pull/7476#discussion_r1810380580
##########
backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxSparkPlanExecApi.scala:
##########
@@ -706,50 +706,6 @@ class VeloxSparkPlanExecApi extends SparkPlanExecApi {
VeloxGetStructFieldTransformer(substraitExprName, childTransformer,
ordinal, original)
}
- /**
- * To align with spark in casting string type input to other types, add trim
node for trimming
- * space or whitespace. See spark's Cast.scala.
- */
- override def genCastWithNewChild(c: Cast): Cast = {
- // scalastyle:off nonascii
- // Common whitespace to be trimmed, including: ' ', '\n', '\r', '\f', etc.
- val trimWhitespaceStr = " \t\n\u000B\u000C\u000D\u001C\u001D\u001E\u001F"
- // Space separator.
- val trimSpaceSepStr = "\u1680\u2008\u2009\u200A\u205F\u3000" +
- ('\u2000' to '\u2006').toList.mkString
- // Line separator.
- val trimLineSepStr = "\u2028"
Review Comment:
```
val expect = Seq(Row(123))
checkAnswer(sql("SELECT cast('\\t\\n\\u001F 123\\u000B' as int);"), expect)
```
this UT works.
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