kunal642 commented on a change in pull request #4208:
URL: https://github.com/apache/carbondata/pull/4208#discussion_r695604258
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File path:
integration/spark/src/main/spark3.1/org/apache/spark/sql/parser/CarbonSparkSqlParser.scala
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@@ -130,8 +131,24 @@ class CarbonHelperSqlAstBuilder(conf: SQLConf,
val tableProperties = convertPropertiesToLowercase(properties)
// validate partition clause
- val partitionByStructFields = Option(partitionColumns).toSeq
- .flatMap(x => visitPartitionFieldList(x)._2)
+ var (partitionTransformList,
+ partitionByStructFields) = visitPartitionFieldList(partitionColumns)
+ // If the struct fields is empty but partition columns are given,
+ // then search in table columns to extract the struct fields.
+ if (partitionByStructFields.isEmpty && !partitionTransformList.isEmpty) {
Review comment:
change !Seq().empty to Seq().nonEmpty
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