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https://issues.apache.org/jira/browse/HIVE-6060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HIVE-6060:
--------------------------------

    Attachment: h-6060.patch

This patch puts everything together:
* Defines AcidInputFormat and AcidOutputFormat.
* Extends OrcInputFormat and OrcOutputFormat to implement them.
* Creates AcidUtils to figure out which base and deltas need to be read.
* Provides raw interfaces that the compactor uses to re-write small files.
* Moves ValidTxnList and ValidTxnListImpl to common where they can be used by 
code in mapreduce tasks and the metastore.
* Adds an interface to Orc Writers that provides callbacks when stripes are 
being written.
* Adds a method to Orc Writers that allow the client to write the current 
stripe to disk and writes a temporary footer before the writer continues to 
write new stripes.

> Define API for RecordUpdater and UpdateReader
> ---------------------------------------------
>
>                 Key: HIVE-6060
>                 URL: https://issues.apache.org/jira/browse/HIVE-6060
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: acid-io.patch, h-5317.patch, h-5317.patch, h-5317.patch, 
> h-6060.patch, h-6060.patch
>
>
> We need to define some new APIs for how Hive interacts with the file formats 
> since it needs to be much richer than the current RecordReader and 
> RecordWriter.



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