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https://issues.apache.org/jira/browse/BEAM-2281?focusedWorklogId=110376&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-110376
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ASF GitHub Bot logged work on BEAM-2281:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 09/Jun/18 04:10
            Start Date: 09/Jun/18 04:10
    Worklog Time Spent: 10m 
      Work Description: kennknowles opened a new pull request #5596: 
[BEAM-2281] Improve SQL expression testing so SQL syntax tests suffice; delete 
extraneous unit tests
URL: https://github.com/apache/beam/pull/5596
 
 
   Previously, we had unit tests because we implemented a lot of standard 
functions from scratch. Now we use Calcite's implementations and we don't need 
tests for them. We need some smoke tests that we have plumbed things correctly. 
The SQL syntax tests are more more concise and work well for that (and actually 
for all purposes).
   
   To make this feasible, the base testing infrastructure needed a tweak to 
give more informative errors, by having separate asserts for each test case.
   
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 110376)
    Time Spent: 1h 50m  (was: 1h 40m)

> call SqlFunctions in operator implementation
> --------------------------------------------
>
>                 Key: BEAM-2281
>                 URL: https://issues.apache.org/jira/browse/BEAM-2281
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql
>            Reporter: Xu Mingmin
>            Assignee: Kenneth Knowles
>            Priority: Major
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> Calcite has a collections of functions in 
> {{org.apache.calcite.runtime.SqlFunctions}}. It sounds a good source to 
> leverage when adding operators as {{BeamSqlExpression}}. 
> [~xumingming] [~app-tarush], any comments?



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