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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-2018) refine expression of Calcite method/function
Date Sun, 23 Apr 2017 05:53:04 GMT


ASF GitHub Bot commented on BEAM-2018:

GitHub user XuMingmin opened a pull request:

    [BEAM-2018] refine expression of Calcite method/function

    In this PR, `BeamSQLFnExecutor` is introduced to replace `BeamSQLSpELExecutor`, as the
executor of `SqlOperator` expressions.
    Several common operators are added here as reference, more are needed to cover all operators
defined in ``.

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

    $ git pull BEAM-2018

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 #2656
commit 3ce5f7bae2b5a7e13c9dd2abf9d4111739540175
Author: mingmxu <>
Date:   2017-04-23T05:20:25Z

    redesign BeamSqlExpression to execute Calcite SQL expression.


> refine expression of Calcite method/function
> --------------------------------------------
>                 Key: BEAM-2018
>                 URL:
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql
>            Reporter: Xu Mingmin
>            Assignee: Xu Mingmin
> list the method/functions that are supported
in Calcite SQL statements. 
> In this task, it defines an interface on how to mapping SQL expressions(with method/functions,
and those without like direct-field reference) into a Java expression that can be evaluated
against row records. 
> --It's supposed to replace the reference implementation {{BeamSQLSpELExecutor}} for better

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