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Posted to commits@beam.apache.org by "Kenneth Knowles (JIRA)" <ji...@apache.org> on 2018/05/21 03:57:00 UTC

[jira] [Created] (BEAM-4365) SQL operator argument evaluation should have one place where it is managed

Kenneth Knowles created BEAM-4365:
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             Summary: 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


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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