[jira] [Created] (ATLAS-641) Lineage for a table created from a view seems to be confusing(from user's perspective).

["Ayub Khan (JIRA)" <ji...@apache.org>]

Ayub Khan created ATLAS-641:
-------------------------------

             Summary: Lineage for a table created from a view seems to be confusing(from user's perspective).
                 Key: ATLAS-641
                 URL: https://issues.apache.org/jira/browse/ATLAS-641
             Project: Atlas
          Issue Type: Bug
    Affects Versions: trunk
            Reporter: Ayub Khan
             Fix For: trunk


Lineage for a table created from the view seems to be confusing(from user's perspective).

Steps to reproduce:
{noformat}
0: jdbc:hive2://localhost:10000/default>
0: jdbc:hive2://localhost:10000/default> create table src (x int, y int, s string);
No rows affected (0.384 seconds)
0: jdbc:hive2://localhost:10000/default> create view view1 as select * from src;
No rows affected (0.225 seconds)
0: jdbc:hive2://localhost:10000/default> create table view_table as select * from view1;
INFO  : Number of reduce tasks is set to 0 since there's no reduce operator
INFO  : number of splits:1
INFO  : Submitting tokens for job: job_local1883260823_0021
INFO  : The url to track the job: http://localhost:8080/
INFO  : Job running in-process (local Hadoop)
INFO  : 2016-04-06 18:15:02,538 Stage-1 map = 100%,  reduce = 0%
INFO  : Ended Job = job_local1883260823_0021
INFO  : Stage-4 is selected by condition resolver.
INFO  : Stage-3 is filtered out by condition resolver.
INFO  : Stage-5 is filtered out by condition resolver.
INFO  : Moving data to: hdfs://localhost:9000/user/hive/warehouse/.hive-staging_hive_2016-04-06_18-14-59_156_3909183228338665119-12/-ext-10001 from hdfs://localhost:9000/user/hive/warehouse/.hive-staging_hive_2016-04-06_18-14-59_156_3909183228338665119-12/-ext-10003
INFO  : Moving data to: hdfs://localhost:9000/user/hive/warehouse/view_table from hdfs://localhost:9000/user/hive/warehouse/.hive-staging_hive_2016-04-06_18-14-59_156_3909183228338665119-12/-ext-10001
INFO  : Table default.view_table stats: [numFiles=1, numRows=0, totalSize=0, rawDataSize=0]
No rows affected (3.8 seconds)
0: jdbc:hive2://localhost:10000/default> alter view view1 as select * from t2;
No rows affected (0.602 seconds)
0: jdbc:hive2://localhost:10000/default>
{noformat}

Check the lineage of the resultant table(view_table).

Link showing confusing lineage: https://monosnap.com/file/qaYZcJRQnNX5BsyM12hkryv70RZK1I




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