beliefer commented on code in PR #36330:
URL: https://github.com/apache/spark/pull/36330#discussion_r866488060
##########
sql/core/src/main/scala/org/apache/spark/sql/catalyst/util/V2ExpressionBuilder.scala:
##########
@@ -200,6 +201,43 @@ class V2ExpressionBuilder(
} else {
None
}
+ case substring: Substring =>
+ val childrenExpressions =
substring.children.flatMap(generateExpression(_))
+ if (childrenExpressions.length == substring.children.length) {
+ Some(new GeneralScalarExpression("SUBSTRING",
+ childrenExpressions.toArray[V2Expression]))
+ } else {
+ None
+ }
+ case Upper(child) => generateExpression(child)
+ .map(v => new GeneralScalarExpression("UPPER", Array[V2Expression](v)))
+ case Lower(child) => generateExpression(child)
+ .map(v => new GeneralScalarExpression("LOWER", Array[V2Expression](v)))
+ case translate: StringTranslate =>
+ val childrenExpressions =
translate.children.flatMap(generateExpression(_))
+ if (childrenExpressions.length == translate.children.length) {
+ Some(new GeneralScalarExpression("TRANSLATE",
+ childrenExpressions.toArray[V2Expression]))
+ } else {
+ None
+ }
+ case trim: String2TrimExpression =>
+ val childrenExpressions = trim.children.flatMap(generateExpression(_))
+ if (childrenExpressions.length == trim.children.length) {
+ Some(new GeneralScalarExpression("TRIM",
+ LiteralValue(UTF8String.fromString(trim.direction), VarcharType(0))
+:
Review Comment:
cc @cloud-fan
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