[jira] [Created] (PHOENIX-2282) Define serialization of sub scan for Drill to leverage Phoenix

["James Taylor (JIRA)" <ji...@apache.org>]

James Taylor created PHOENIX-2282:
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             Summary: Define serialization of sub scan for Drill to leverage Phoenix
                 Key: PHOENIX-2282
                 URL: https://issues.apache.org/jira/browse/PHOENIX-2282
             Project: Phoenix
          Issue Type: Sub-task
            Reporter: James Taylor


I think there are two pieces:
- the separate parallel unit (always a Scan for Phoenix)
- the reader class to instantiate that will interpret the results.

It be pretty easy to write code that combines multiple Scans together too, based on the start row/end row in the case that Phoenix over-parallelizes due to guideposts.

FWIW, even the Phoenix DML (UPSERT SELECT and DELETE) fit this model of a Scan plus the reader code which would push the data back out for the writes (see UpsertCompiler and DeleteCompiler).





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