[GitHub] phoenix issue #239: Phoenix-3744: Support snapshot scanners for MR-based que...

[akshita-malhotra <gi...@git.apache.org>]

Github user akshita-malhotra commented on the issue:

    https://github.com/apache/phoenix/pull/239
  
    - Snapshot scanner for non-aggregate queries.
    - Added integration tests (simple select query, conditional and limit)
    - Abstracted out ScanRegionObserver code to fetch the processed region scanner without the coprocessor environment
    - To make the snapshot work for aggregate queries, due to the complexity of the aggregate region observer  code it is almost impossible to refactor the code without fully understanding the functionality. Will require some guidance if the aggregate query use case is required.
    @JamesRTaylor @lhofhansl 


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