[GitHub] spark pull request: Add range join support to spark-sql

[marmbrus <gi...@git.apache.org>]

Github user marmbrus commented on the pull request:

    https://github.com/apache/spark/pull/2939#issuecomment-65164578
  
    Thanks for working on this, my biggest concern is adding new syntax to SQL since it is something we will have to support forever.  Would it instead be possible to express the overlap based with standard predicates, and detect the case when a range join can be used during query planning?


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