[jira] [Updated] (HIVE-18873) Skipping predicate pushdown for MR silently at HiveInputFormat can cause storage handlers to produce erroneous result

["Ankit Singhal (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-18873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ankit Singhal updated HIVE-18873:
---------------------------------
    Summary: Skipping predicate pushdown for MR silently at HiveInputFormat can cause storage handlers to produce erroneous result  (was: Skipping predicate pushdown silently at HiveInputFormat can cause storage handlers to produce erroneous result)

> Skipping predicate pushdown for MR silently at HiveInputFormat can cause storage handlers to produce erroneous result
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-18873
>                 URL: https://issues.apache.org/jira/browse/HIVE-18873
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Ankit Singhal
>            Assignee: Ankit Singhal
>            Priority: Major
>             Fix For: 3.0.0
>
>
> {code:java}
> // disable filter pushdown for mapreduce when there are more than one table aliases,
>     // since we don't clone jobConf per alias
>     if (mrwork != null && mrwork.getAliases() != null && mrwork.getAliases().size() > 1 &&
>       jobConf.get(ConfVars.HIVE_EXECUTION_ENGINE.varname).equals("mr")) {
>       return;
>     }
> {code}
> I believe this needs to be handled at OpProcFactory so that hive doesn't believe that predicate is handled by storage handler.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)