GitHub user fhueske opened a pull request:

    [FLINK-7404] [table] Generate code for non-equi join conditions only.

    ## What is the purpose of the change
    Generate code only for non-equi join conditions for Table API / SQL batch 
    Equi join conditions are validated by the DataSet API.
    ## Brief change log
    - remove equi-join conditions before code generation
    ## Verifying this change
    - all existing tests pass.
    ## Does this pull request potentially affect one of the following parts:
      - Dependencies (does it add or upgrade a dependency): *no*
      - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: *no*
      - The serializers: *no*
      - The runtime per-record code paths (performance sensitive): *yes*
      - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: *no*
    ## Documentation
    - internal change only. No documentation required.

You can merge this pull request into a Git repository by running:

    $ git pull tableJoinCondition

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4507
commit e1871c4f2e5ee9cc42831469fe6580d25d32361c
Author: Fabian Hueske <>
Date:   2017-08-09T15:41:10Z

    [FLINK-7404] [table] Generate code for non-equi join conditions only.


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