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https://issues.apache.org/jira/browse/CALCITE-107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-107:
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Summary: Implement queries using an interpreter, as an alternative to code
generation & compilation (was: Implement ENUMERABLE convention queries using
an interpreter, as an alternative to code generation & compilation)
> Implement queries using an interpreter, as an alternative to code generation
> & compilation
> ------------------------------------------------------------------------------------------
>
> Key: CALCITE-107
> URL: https://issues.apache.org/jira/browse/CALCITE-107
> Project: Calcite
> Issue Type: Improvement
> Reporter: GitHub Import
> Labels: github-import
>
> For small, quick queries, the effort of generating code and compiling using
> janino is not justified. For these queries an interpreter would be quicker.
> We could use the same linq4j methods (e.g. groupBy) but the lambdas that
> implement expressions would be interpreted. Linq4j's
> AbstractNode.evaluate(Evaluator) is probably the way to go, but that method
> needs some work.
> To be clear, this change would not remove the code-generation option. It
> would just be another alternative.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/julianhyde/optiq/issues/107
> Created by: [julianhyde|https://github.com/julianhyde]
> Labels: enhancement,
> Created at: Fri Dec 20 20:07:11 CET 2013
> State: open
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