Github user kevinyu98 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12646#discussion_r120269932
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
---
@@ -578,39 +583,29 @@ case class StringTrim(children: Seq[Expression])
val getTrimFunction = if (children.size == 1) {
s"UTF8String ${ev.value} = ${inputs(0)}.trim();"
} else {
- s"UTF8String ${ev.value} =
${inputs(1)}.trim(${inputs(0)});".stripMargin
+ s"UTF8String ${ev.value} = ${inputs(1)}.trim(${inputs(0)});"
--- End diff --
ok, I can try to change it during the AstBuilder.scala--> visitFunctionCall
time (sql path) and funcitions.scala (dataframe path).
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