[jira] Commented: (HIVE-844) remove ASTPartitionPruner from genmapredTasks

["Zheng Shao (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757591#action_12757591 ] 

Zheng Shao commented on HIVE-844:
---------------------------------

@hive.844.1.patch:

Reviewed with Namit offline:
1.ppr.PartitionPruner.onlyContainsPartnCols should look for nondeterministic functions as well. (Please add a test for that);
2. We can do the FetchTask logic before splitting the plans instead of while splitting.


> remove ASTPartitionPruner from genmapredTasks
> ---------------------------------------------
>
>                 Key: HIVE-844
>                 URL: https://issues.apache.org/jira/browse/HIVE-844
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>             Fix For: 0.5.0
>
>         Attachments: hive.844.1.patch, hive.844.2.patch
>
>
> Currently, ASTPartitionPruner is used in genmapredtasks() it figure out whether a map-reduce job is needed for a select star query. 
> Use the new partition pruner for that

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