[jira] [Commented] (BEAM-2281) call SqlFunctions in operator implementation

["Kenneth Knowles (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-2281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16482792#comment-16482792 ] 

Kenneth Knowles commented on BEAM-2281:
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From [~apilloud] it also looks like code gen for assembling expressions as in https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/adapter/enumerable/EnumerableCalc.java

> 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
>            Priority: Major
>          Time Spent: 1h 40m
>  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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