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https://issues.apache.org/jira/browse/HADOOP-3601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628462#action_12628462
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Ashish Thusoo commented on HADOOP-3601:
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I just filed a JIRA for this
https://issues.apache.org/jira/browse/HADOOP-4072
This needs changes to the root build.xml which we had not submitted as part of
the patch.
Also there were a bunch of findbugs warnings that we got from antlr generated
code when we last ran it. We want to be able to suppress those and cleanup some
others before we turn this on.
> Hive as a contrib project
> -------------------------
>
> Key: HADOOP-3601
> URL: https://issues.apache.org/jira/browse/HADOOP-3601
> Project: Hadoop Core
> Issue Type: Wish
> Components: contrib/hive
> Affects Versions: 0.19.0
> Environment: N/A
> Reporter: Joydeep Sen Sarma
> Assignee: Ashish Thusoo
> Priority: Minor
> Fix For: 0.19.0
>
> Attachments: ant.log, hive.tgz, hive.tgz, hive.tgz, HiveTutorial.pdf
>
> Original Estimate: 1080h
> Remaining Estimate: 1080h
>
> Hive is a data warehouse built on top of flat files (stored primarily in
> HDFS). It includes:
> - Data Organization into Tables with logical and hash partitioning
> - A Metastore to store metadata about Tables/Partitions etc
> - A SQL like query language over object data stored in Tables
> - DDL commands to define and load external data into tables
> Hive's query language is executed using Hadoop map-reduce as the execution
> engine. Queries can use either single stage or multi-stage map-reduce. Hive
> has a native format for tables - but can handle any data set (for example
> json/thrift/xml) using an IO library framework.
> Hive uses Antlr for query parsing, Apache JEXL for expression evaluation and
> may use Apache Derby as an embedded database for MetaStore. Antlr has a BSD
> license and should be compatible with Apache license.
> We are currently thinking of contributing to the 0.17 branch as a contrib
> project (since that is the version under which it will get tested internally)
> - but looking for advice on the best release path.
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