Zoltan Haindrich commented on HIVE-18448:

[~pvary]: I'm not sure; I think about that as a separate change - if after this 
change nothing will use it;  we might consider to remove it from the metastore 
as well....but I know not much about metastore uses by other projects.
cc: [~alangates]

> Drop Support For Indexes From Apache Hive
> -----------------------------------------
>                 Key: HIVE-18448
>                 URL: https://issues.apache.org/jira/browse/HIVE-18448
>             Project: Hive
>          Issue Type: Improvement
>          Components: Indexing
>            Reporter: BELUGA BEHR
>            Assignee: Zoltan Haindrich
>            Priority: Minor
>         Attachments: HIVE-18448.01wip02.patch, HIVE-18448.01wip03.patch
> If a user needs to look up a small subset of records quickly, they can use 
> Apache HBase, if they need fast retrieval of larger sets of data, or fast 
> joins, aggregations, they can use Apache Impala.  It seems to me that Hive 
> indexes do not serve much of a role in the future of Hive.
> Even without moving workloads to other products, columnar file formats with 
> their statistics achieve similar goals as Hive indexes.
> Please consider dropping Indexes from the Apache Hive project.

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