[jira] [Updated] (CALCITE-2194) Schema access authorization feature

["Piotr Bojko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-2194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Piotr Bojko updated CALCITE-2194:
---------------------------------
    Summary: Schema access authorization feature  (was: Ability to hide a schema)

> Schema access authorization feature
> -----------------------------------
>
>                 Key: CALCITE-2194
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2194
>             Project: Calcite
>          Issue Type: New Feature
>          Components: core
>    Affects Versions: 1.16.0
>            Reporter: Piotr Bojko
>            Assignee: Piotr Bojko
>            Priority: Minor
>
> See: [https://mail-archives.apache.org/mod_mbox/calcite-dev/201711.mbox/ajax/%3C6F6E52D4-6860-4384-A1CB-A2301D05394D%40apache.org%3E]
> I've looked into the core and the notion of an user could be hard to achieved now. 
> Though, I am able to implement the "hidden schema" feature through following changes:
>  # JsonSchema - add a holder for the feature, boolean flag or flags field with enum (CACHED which now exists as a separate flag - some deprecation could be needed, HIDDEN)
>  # CalciteSchema - pass through of a flag
>  # RelOptSchema - pass through of a flag
>  # CalciteCatalogReader - pass through of a flag
>  # Other derivatives of RelOptSchema - mocked value, false
>  # RelOptTable and impl - pass through of a flag
>  # SqlValidatorImpl - validation whether object from hidden schema is used (in the same places like validateAccess)
>  # ViewTableMacro.apply ->  Schemas.analyzeView -> CalcitePrepareImpl.analyzeView -> CalcitePrepareImpl.parse_ -> CalcitePrepareImpl.CalcitePrepareImpl - this path of execution should build SqlValidatorImpl which has the check from point 7 disabled- 
> Such feature could be useful for end users. 
> If the solution is ok - I can contribute it.



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