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https://issues.apache.org/jira/browse/OPTIQ-416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138685#comment-14138685
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Julian Hyde commented on OPTIQ-416:
-----------------------------------
Work in progress in https://github.com/julianhyde/optiq/tree/optiq-416.
> Execute logical RelNodes using an interpreter
> ---------------------------------------------
>
> Key: OPTIQ-416
> URL: https://issues.apache.org/jira/browse/OPTIQ-416
> Project: Optiq
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
>
> Add an interpreter that can evaluate logical RelNodes (such as FilterRel,
> TableAccessRel).
> The motivation is similar to OPTIQ-107 but this feature request would
> interpret logical RelNodes, not RelNodes that implement EnumerableRel. This
> case would eliminate planning time as well as the janino step.
> We should explicit sources, sinks and start/run/stop methods. A bit less
> efficient, but gives us the opportunity for detailed tracing and even
> single-stepping.
> Put code in a new package net.hydromatic.optiq.impl.interpreter.
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