cloud-fan commented on code in PR #48436:
URL: https://github.com/apache/spark/pull/48436#discussion_r1814186849
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sql/api/src/main/scala/org/apache/spark/sql/catalyst/parser/DataTypeAstBuilder.scala:
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@@ -76,7 +76,7 @@ class DataTypeAstBuilder extends
SqlBaseParserBaseVisitor[AnyRef] {
case (TIMESTAMP_LTZ, Nil) => TimestampType
case (STRING, Nil) =>
typeCtx.children.asScala.toSeq match {
- case Seq(_) => SqlApiConf.get.defaultStringType
+ case Seq(_) => DefaultStringType()
Review Comment:
I'm really worried about this. We used to return `StringType` object if
collation is not enabled. But now it becomes `DefaultStringType`. This is kind
of a breaking change to the parser.
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