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https://issues.apache.org/jira/browse/BEAM-4365?focusedWorklogId=110408&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-110408
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ASF GitHub Bot logged work on BEAM-4365:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 09/Jun/18 13:49
            Start Date: 09/Jun/18 13:49
    Worklog Time Spent: 10m 
      Work Description: kennknowles commented on issue #5433: [BEAM-4365] Make 
BeamSqlExpression for operators, use it for string operators
URL: https://github.com/apache/beam/pull/5433#issuecomment-395970864
 
 
   run java precommit

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 110408)
    Time Spent: 3h 10m  (was: 3h)

> SQL operator argument evaluation should have one place where it is managed
> --------------------------------------------------------------------------
>
>                 Key: BEAM-4365
>                 URL: https://issues.apache.org/jira/browse/BEAM-4365
>             Project: Beam
>          Issue Type: Bug
>          Components: dsl-sql
>            Reporter: Kenneth Knowles
>            Assignee: Kenneth Knowles
>            Priority: Major
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
>
> The way Beam SQL is factored, each operator has to explicitly ask its 
> argument to be evaluated. This should be handled generically at a higher 
> level. Since the language is pure and terminating, it is fine for them to 
> vary, but given the simplicity of the expression language it makes sense to 
> use simple call-by-value.



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