> Alter table set Table comment is throwing exception in spark-2.2 cluster
> ------------------------------------------------------------------------
>
> Key: CARBONDATA-2630
> URL:
https://issues.apache.org/jira/browse/CARBONDATA-2630> Project: CarbonData
> Issue Type: Improvement
> Reporter: Rahul Kumar
> Assignee: Rahul Kumar
> Priority: Minor
> Fix For: 1.4.1
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> *PreCondition :* ]started spark-2.2 cluster and launched beeline
> *Test step:*
> *1.* Create Table sample_comment5 (id int,dim1 string,name string,tech string,measure int,amount int,dim2 string,M1 int,dim3 string,M2 int,dim4 string,dim5 string,M3 int,dim6 string,dim7 string,M4 int,dim8 string,dim9 string,M5 int,dim10 string,dim11 string,dim12 string,M6 int,dim13 string,dim14 string,dim15 string,M7 int,dim16 string,dim17 string,dim18 string,dim19 string) CoMMent "@" STORED BY 'org.apache.carbondata.format';
> *2.* alter table sample_comment5 SET TBLPROPERTIES(comment="malathi");
> *Expected Output:*comment should have been updated
> *Actual Output:*Error: java.lang.RuntimeException: Alter table properties operation failed: org.apache.spark.sql.SparkSession cannot be cast to org.apache.spark.sql.CarbonSession (state=,code=0)