akkio-97 commented on a change in pull request #4115:
URL: https://github.com/apache/carbondata/pull/4115#discussion_r614670056
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File path:
integration/spark/src/main/scala/org/apache/spark/sql/execution/command/carbonTableSchemaCommon.scala
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@@ -235,6 +236,26 @@ class AlterTableColumnSchemaGenerator(
dataType.toString.equals("STRUCT")
}
+ private def createChildSchema(childField: Field, currentSchemaOrdinal: Int):
ColumnSchema = {
+ // TODO: should support adding multi-level complex columns: CARBONDATA-4164
+ if (!childField.children.contains(null)) {
Review comment:
have put check on size
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