[jira] [Created] (CARBONDATA-2522) MV dataset when created with Joins, then it is not pointing towards the MV, while executing that join query.

[Akash R Nilugal (Jira)]

Prasanna created CARBONDATA-2522:
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             Summary: MV dataset when created with Joins, then it is not pointing towards the MV, while executing that join query.
                 Key: CARBONDATA-2522
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2522
             Project: CarbonData
          Issue Type: Bug
         Environment: 3 Node Opensource ANT Cluster.
            Reporter: Prasanna


When MV is created on Joining tables, then the explain of that join query points to the maintable, instead of the created MV datamap.  

Queries:

drop table if exists fact_table1;
CREATE TABLE fact_table1 (empno int, empname String, designation String, doj Timestamp,
workgroupcategory int, workgroupcategoryname String, deptno int, deptname String,
projectcode int, projectjoindate Timestamp, projectenddate Timestamp,attendance int,
utilization int,salary int)
STORED BY 'org.apache.carbondata.format';
LOAD DATA local inpath 'hdfs://hacluster/user/prasanna/data_mv.csv' INTO TABLE fact_table1 OPTIONS('DELIMITER'= ',', 'QUOTECHAR'= '"','timestampformat'='dd-MM-yyyy');
LOAD DATA local inpath 'hdfs://hacluster/user/prasanna/data_mv.csv' INTO TABLE fact_table1 OPTIONS('DELIMITER'= ',', 'QUOTECHAR'= '"','timestampformat'='dd-MM-yyyy');

drop table if exists fact_table2;
CREATE TABLE fact_table2 (empno int, empname String, designation String, doj Timestamp,
workgroupcategory int, workgroupcategoryname String, deptno int, deptname String,
projectcode int, projectjoindate Timestamp, projectenddate Timestamp,attendance int,
utilization int,salary int)
STORED BY 'org.apache.carbondata.format';
LOAD DATA local inpath 'hdfs://hacluster/user/prasanna/data_mv.csv' INTO TABLE fact_table2 OPTIONS('DELIMITER'= ',', 'QUOTECHAR'= '"','timestampformat'='dd-MM-yyyy');
LOAD DATA local inpath 'hdfs://hacluster/user/prasanna/data_mv.csv' INTO TABLE fact_table2 OPTIONS('DELIMITER'= ',', 'QUOTECHAR'= '"','timestampformat'='dd-MM-yyyy');

drop table if exists fact_table3;
CREATE TABLE fact_table3 (empno int, empname String, designation String, doj Timestamp,
workgroupcategory int, workgroupcategoryname String, deptno int, deptname String,
projectcode int, projectjoindate Timestamp, projectenddate Timestamp,attendance int,
utilization int,salary int)
STORED BY 'org.apache.carbondata.format';
LOAD DATA local inpath 'hdfs://hacluster/user/prasanna/data_mv.csv' INTO TABLE fact_table2 OPTIONS('DELIMITER'= ',', 'QUOTECHAR'= '"','timestampformat'='dd-MM-yyyy');
LOAD DATA local inpath 'hdfs://hacluster/user/prasanna/data_mv.csv' INTO TABLE fact_table2 OPTIONS('DELIMITER'= ',', 'QUOTECHAR'= '"','timestampformat'='dd-MM-yyyy');

create datamap datamap25 using 'mv' as select t1.empname as c1, t2.designation from fact_table1 t1,fact_table2 t2,fact_table3 t3  where t1.empname = t2.empname and t1.empname=t3.empname;

explain create datamap datamap25 using 'mv' as select t1.empname as c1, t2.designation from fact_table1 t1,fact_table2 t2,fact_table3 t3  where t1.empname = t2.empname and t1.empname=t3.empname;

 



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