[jira] [Created] (CARBONDATA-2523) MV DataMap not working for Aggregate Queries

[Akash R Nilugal (Jira)]

Babulal created CARBONDATA-2523:
-----------------------------------

             Summary: MV DataMap not working for Aggregate Queries
                 Key: CARBONDATA-2523
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2523
             Project: CarbonData
          Issue Type: Bug
            Reporter: Babulal


Spark Release 

Spark2.2.1 

Run Below command in sequence 

0: jdbc:hive2://10.18.222.231:23040> create table test4 ( name string,age int,salary int) stored by 'carbondata';
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (0.331 seconds)
0: jdbc:hive2://10.18.222.231:23040> insert into test4 select 'babu',12,12;
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (14.65 seconds)
0: jdbc:hive2://10.18.222.231:23040> create datamap mv13 using 'mv' as select name,sum(salary) from test4 group by name;
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (0.654 seconds)
0: jdbc:hive2://10.18.222.231:23040> rebuild datamap mv13;
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (17.072 seconds)
0: jdbc:hive2://10.18.222.231:23040> explain select name,sum(salary) from test4 group by name;
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
| plan |
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
| == CarbonData Profiler ==
Table Scan on test4
 - total blocklets: 1
 - filter: none
 - pruned by Main DataMap
 - skipped blocklets: 0
 |
| == Physical Plan ==
*HashAggregate(keys=[name#888], functions=[sum(cast(salary#890 as bigint))])
+- Exchange hashpartitioning(name#888, 200)
 +- *HashAggregate(keys=[name#888], functions=[partial_sum(cast(salary#890 as bigint))])
 +- *BatchedScan CarbonDatasourceHadoopRelation [ Database name :default, Table name :test4, Schema :Some(StructType(StructField(name,StringType,true), StructField(age,IntegerType,true), StructField(salary,IntegerType,true))) ] default.test4[name#888,salary#890] |
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
2 rows selected (0.488 seconds)
0: jdbc:hive2://10.18.222.231:23040>

 

 

In Relation Table is fact table not MV DataMap it suppose to be test4_table.



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