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https://issues.apache.org/jira/browse/CARBONDATA-2530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
xubo245 updated CARBONDATA-2530:
--------------------------------
Priority: Critical (was: Major)
> [MV] Wrong data displayed when parent table data are loaded
> ------------------------------------------------------------
>
> Key: CARBONDATA-2530
> URL: https://issues.apache.org/jira/browse/CARBONDATA-2530
> Project: CarbonData
> Issue Type: Bug
> Reporter: Babulal
> Assignee: xubo245
> Priority: Critical
>
> Spark Release:- Spark2.2.1
> Create table and load data to it
> create MV
> rebuild datamap
> run query (used during mv creation) which hits MV and get data
> Now load data to main table
> again run query (used during mv creation) which hits MV and get data
> Result:- data shown is from MV which is wrong if increament load happens
> then data should get from Main table(parent table)
> Commands
> 0: jdbc:hive2://10.18.222.231:23040> create table tt13 ( name string, age
> int) stored by 'carbondata';
> 0: jdbc:hive2://10.18.222.231:23040> insert into tt13 select 'babu',12;
> +---------+--+
> | Result |
> +---------+--+
> +---------+–+
> 0: jdbc:hive2://10.18.222.231:23040> create datamap datamap43 using 'mv' as
> select name from tt13 ;
> +---------+--+
> | Result |
> +---------+--+
> +---------+--+
> No rows selected (0.51 seconds)
> 0: jdbc:hive2://10.18.222.231:23040> rebuild datamap datamap43;
> +---------+--+
> | Result |
> +---------+--+
> +---------+--+
> No rows selected (8.747 seconds)
> 0: jdbc:hive2://10.18.222.231:23040> explain select name from tt13;
> +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
> | plan |
> +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
> | == CarbonData Profiler ==
> Table Scan on datamap43_table
> - total blocklets: 1
> - filter: none
> - pruned by Main DataMap
> - skipped blocklets: 0
> |
> | == Physical Plan ==
> *BatchedScan CarbonDatasourceHadoopRelation [ Database name :default, Table
> name :datamap43_table, Schema
> :Some(StructType(StructField(tt13_name,StringType,true))) ]
> default.datamap43_table[tt13_name#1311] |
> +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
> 2 rows selected (0.525 seconds)
> 0: jdbc:hive2://10.18.222.231:23040> select name from tt13;
> +------------+--+
> | tt13_name |
> +------------+--+
> | babu |
> +------------+--+
> 1 row selected (0.483 seconds)
> 0: jdbc:hive2://10.18.222.231:23040> insert into tt13 select 'lal',13;
> +---------+--+
> | Result |
> +---------+--+
> +---------+--+
> No rows selected (11.819 seconds)
> 0: jdbc:hive2://10.18.222.231:23040> select name from tt13;
> +------------+--+
> | tt13_name |
> +------------+--+
> | babu |
> +------------+--+
> 1 row selected (0.349 seconds)
> 0: jdbc:hive2://10.18.222.231:23040> explain select name from tt13;
> +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
> | plan |
> +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
> | == CarbonData Profiler ==
> Table Scan on datamap43_table
> - total blocklets: 1
> - filter: none
> - pruned by Main DataMap
> - skipped blocklets: 0
> |
> | == Physical Plan ==
> *BatchedScan CarbonDatasourceHadoopRelation [ Database name :default, Table
> name :datamap43_table, Schema
> :Some(StructType(StructField(tt13_name,StringType,true))) ]
> default.datamap43_table[tt13_name#1311] |
> +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
> 2 rows selected (0.391 seconds)
>
>
> Expected
> output should display 2 records . (check insert into command)
>
>
>
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