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https://issues.apache.org/jira/browse/SPARK-42901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Jie updated SPARK-42901:
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    Summary: Should move StorageLevel into a separate file  (was: Move 
StorageLevel into a separate file to avoid potential file recursively imports)

> Should move StorageLevel into a separate file
> ---------------------------------------------
>
>                 Key: SPARK-42901
>                 URL: https://issues.apache.org/jira/browse/SPARK-42901
>             Project: Spark
>          Issue Type: Improvement
>          Components: Connect
>    Affects Versions: 3.4.0
>            Reporter: Yang Jie
>            Priority: Major
>
> https://github.com/apache/spark/pull/40510 introduce `message StorageLevel` 
> to `base.proto`, but if we try to import `base.proto` in `catalog.proto` to 
> reuse `StorageLevel` in `message CacheTable` and run `build/sbt 
> "connect-common/compile" to compile, there will be following message in 
> compile log:
>  
> {code:java}
> spark/connect/base.proto:23:1: File recursively imports itself: 
> spark/connect/base.proto -> spark/connect/commands.proto -> 
> spark/connect/relations.proto -> spark/connect/catalog.proto -> 
> spark/connect/base.proto
> spark/connect/catalog.proto:22:1: Import "spark/connect/base.proto" was not 
> found or had errors.
> spark/connect/catalog.proto:144:12: "spark.connect.DataType" seems to be 
> defined in "spark/connect/types.proto", which is not imported by 
> "spark/connect/catalog.proto".  To use it here, please add the necessary 
> import.
> spark/connect/catalog.proto:161:12: "spark.connect.DataType" seems to be 
> defined in "spark/connect/types.proto", which is not imported by 
> "spark/connect/catalog.proto".  To use it here, please add the necessary 
> import.
> spark/connect/relations.proto:25:1: Import "spark/connect/catalog.proto" was 
> not found or had errors.
> spark/connect/relations.proto:84:5: "Catalog" is not defined.
> spark/connect/commands.proto:22:1: Import "spark/connect/relations.proto" was 
> not found or had errors.
> spark/connect/commands.proto:63:3: "Relation" is not defined.
> spark/connect/commands.proto:81:3: "Relation" is not defined.
> spark/connect/commands.proto:142:3: "Relation" is not defined.
> spark/connect/base.proto:23:1: Import "spark/connect/commands.proto" was not 
> found or had errors.
> spark/connect/base.proto:25:1: Import "spark/connect/relations.proto" was not 
> found or had errors.
> .... {code}
> So we should move `message StorageLevel` from a to a separate file to avoid 
> this issue
>  
>  



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