[jira] [Created] (CARBONDATA-2568) [MV] MV datamap is not hit when ,column is in group by but not in projection

[Akash R Nilugal (Jira)]

Babulal created CARBONDATA-2568:
-----------------------------------

             Summary: [MV]  MV datamap is not hit when ,column is in group by but not in projection
                 Key: CARBONDATA-2568
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2568
             Project: CarbonData
          Issue Type: Bug
            Reporter: Babulal


0: jdbc:hive2://10.18.222.231:23040> create table mvtestcarbon10 (name_t1 string,age_t1 int,salray_t1 float,dob date,doj timestamp) stored by 'carbondata';
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (0.252 seconds)
0: jdbc:hive2://10.18.222.231:23040> insert into mvtestcarbon10 select 'babu',12,25.25,'2014-01-01','2014-05-05 02:03:02';
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (21.893 seconds)
0: jdbc:hive2://10.18.222.231:23040> create datamap mvtestcarbon10_map2 using 'mv' as select sum(salray_t1) from mvtestcarbon10 group by name_t1;
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (0.525 seconds)

 

0: jdbc:hive2://10.18.222.231:23040> *explain select sum(salray_t1) from mvtestcarbon10 group by name_t1*;

| plan |

| == Physical Plan ==
*HashAggregate(keys=[name_t1#2422], functions=[sum(salray_t1#2424)])
+- Exchange hashpartitioning(name_t1#2422, 200)
 +- *HashAggregate(keys=[name_t1#2422], functions=[partial_sum(salray_t1#2424)])
 +- *BatchedScan CarbonDatasourceHadoopRelation [ Database name :default, Table name :*mvtestcarbon10*, Schema :Some(StructType(StructField(name_t1,StringType,true), StructField(age_t1,IntegerType,true), StructField(salray_t1,DoubleType,true), StructField(dob,DateType,true), StructField(doj,TimestampType,true))) ] default.mvtestcarbon10[name_t1#2422,salray_t1#2424] |

 

 

0: jdbc:hive2://10.18.222.231:23040> explain select sum(salray_t1) from mvtestcarbon10 ;
+-----------------------------------------------------------------------------------------------------------------
| plan |
+-----------------------------------------------------------------------------------------------------------------
| == Physical Plan ==
*HashAggregate(keys=[], functions=[sum(salray_t1#2424)])
+- Exchange SinglePartition
 +- *HashAggregate(keys=[], functions=[partial_sum(salray_t1#2424)])
 +- *BatchedScan CarbonDatasourceHadoopRelation [ Database name :default, Table name :*mvtestcarbon10*, Schema :Some(StructType(StructField(name_t1,StringType,true), StructField(age_t1,IntegerType,true), StructField(salray_t1,DoubleType,true), StructField(dob,DateType,true), StructField(doj,TimestampType,true))) ] default.mvtestcarbon10[salray_t1#2424] |
+-----------------------------------------------------------------------------------------------------------------

 



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