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https://issues.apache.org/jira/browse/CALCITE-2048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250346#comment-16250346
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Enrico Olivelli commented on CALCITE-2048:
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Maybe it would be useful a simple guide to plains explanations, like a showcase
with a set of queries and for each query:
- logical plan (after parse)
- final plan (after findBestExp)
- explanation of the RelNodes
- variants based on : stats, Table implemented marker interfaces, conventions,
TraitDefs, other important config (which I have not discovered yet)
Javadocs in general seems well written, but a global introduction is the real
gap
> Create a better documentation for the Planner design
> ----------------------------------------------------
>
> Key: CALCITE-2048
> URL: https://issues.apache.org/jira/browse/CALCITE-2048
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Edmon Begoli
> Assignee: Edmon Begoli
> Priority: Minor
> Original Estimate: 672h
> Remaining Estimate: 672h
>
> Per request of the development community, and the assessment that we need a
> tutorial, documentation and example code to work directly with the planner,
> because it is a lot harder to work with the planner than with an adapter.
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