ajantha-bhat commented on a change in pull request #3509: [CARBONDATA-3618]
Update query should throw exception if key has more than one value
URL: https://github.com/apache/carbondata/pull/3509#discussion_r358028389
##########
File path:
integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/mutation/CarbonProjectForUpdateCommand.scala
##########
@@ -135,7 +136,22 @@ private[sql] case class CarbonProjectForUpdateCommand(
else {
Dataset.ofRows(sparkSession, plan)
}
-
+ // If more than one value present for the update key, should fail
the update
+ val ds =
dataSet.select(CarbonCommonConstants.CARBON_IMPLICIT_COLUMN_TUPLEID)
Review comment:
@zzcclp : I am filtering only tupleID column for this reason only, that too
I am collecting only one row at driver. (collecting the count of tupleID which
has more than one occurrence)
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