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Posted to github@arrow.apache.org by "BubbaJoe (via GitHub)" <gi...@apache.org> on 2023/04/05 20:02:13 UTC

[GitHub] [arrow-datafusion] BubbaJoe opened a new issue, #5888: LogicalPlan API: Get catalog

BubbaJoe opened a new issue, #5888:
URL: https://github.com/apache/arrow-datafusion/issues/5888

   ### Is your feature request related to a problem or challenge?
   
   There doesn't seem to be a way of getting the catalog name from a logical plan: https://docs.rs/datafusion-expr/20.0.0/datafusion_expr/logical_plan/enum.LogicalPlan.html
   
   ### Describe the solution you'd like
   
   `logical_plan.catalog_name: String`
   `logical_plan.catalog_name() -> String`
   
   ### Describe alternatives you've considered
   
   _No response_
   
   ### Additional context
   
   _No response_


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[GitHub] [arrow-datafusion] BubbaJoe commented on issue #5888: LogicalPlan API: Getting catalog name

Posted by "BubbaJoe (via GitHub)" <gi...@apache.org>.

BubbaJoe commented on issue #5888:
URL: https://github.com/apache/arrow-datafusion/issues/5888#issuecomment-1498543496

   Hello @Jefffrey, i didn't consider joins... In this case, i guess we can forget it.


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[GitHub] [arrow-datafusion] BubbaJoe closed issue #5888: LogicalPlan API: Getting catalog name

Posted by "BubbaJoe (via GitHub)" <gi...@apache.org>.

BubbaJoe closed issue #5888: LogicalPlan API: Getting catalog name
URL: https://github.com/apache/arrow-datafusion/issues/5888


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[GitHub] [arrow-datafusion] Jefffrey commented on issue #5888: LogicalPlan API: Getting catalog name

Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.

Jefffrey commented on issue #5888:
URL: https://github.com/apache/arrow-datafusion/issues/5888#issuecomment-1498155368

   Not sure if this can be a generic method on `LogicalPlan` itself, as for example if you join two tables with different catalog names, then what would the `catalog_name()` method return for a `Join` logical plan node?
   
   Currently you can kinda retrieve the catalog name from a `TableScan` logical plan node via its `table_name` field.
   
   Could you expand on the potential use case for such a method to give some more context?


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