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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2015/01/22 00:05:36 UTC

[jira] [Created] (CALCITE-565) Implement windowed aggregate in interpreter

Julian Hyde created CALCITE-565:
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             Summary: Implement windowed aggregate in interpreter
                 Key: CALCITE-565
                 URL: https://issues.apache.org/jira/browse/CALCITE-565
             Project: Calcite
          Issue Type: Sub-task
            Reporter: Julian Hyde
            Assignee: Julian Hyde


Implement windowed aggregate (the Window relational expression) in the interpreter.

Aggregate functions could be implemented by generating Java ASTs (via AggImplementor) but it would be simpler to implement them using AggregateFunctionImpl, as if they were user-defined aggregates. (AggregateNode already does this.)



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