akkio-97 commented on a change in pull request #4129:
URL: https://github.com/apache/carbondata/pull/4129#discussion_r644549681
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File path:
integration/spark/src/main/scala/org/apache/spark/sql/execution/command/schema/CarbonAlterTableColRenameDataTypeChangeCommand.scala
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@@ -279,6 +404,23 @@ private[sql] case class
CarbonAlterTableColRenameDataTypeChangeCommand(
Seq.empty
}
+ private def isComplexChild(columnSchema: ColumnSchema): Boolean = {
+ columnSchema.column_name.contains(CarbonCommonConstants.POINT)
+ }
+
+ private def isChildOfOldColumn(columnSchemaName: String, oldColumnName:
String): Boolean = {
+ columnSchemaName.startsWith(oldColumnName + CarbonCommonConstants.POINT)
+ }
+
+ private def checkIfParentIsAltered(columnSchemaName: String): String = {
Review comment:
if str.a has changed to str.b.
the map only stores this change.
Its children should also be changed which is not stored in the map, since
this is an indirect change
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