Andrus Adamchik updated CAY-2600:
    Fix Version/s: 4.1.B3

> Modeler DbImport: Can't retrieve schema for databases with no catalog support
> -----------------------------------------------------------------------------
>                 Key: CAY-2600
>                 URL: https://issues.apache.org/jira/browse/CAY-2600
>             Project: Cayenne
>          Issue Type: Bug
>    Affects Versions: 4.1.B2
>            Reporter: Andrus Adamchik
>            Priority: Major
>             Fix For: 4.1.B3
> I am trying to db-import model for Hana DB. DB Import itself ("Run Import" 
> button) works, if I manually add all the settings. However "Refresh DB 
> Schema" button results in an empty schema. 
> The cause of it seems to be the implementation of DatabaseSchemaLoader.load 
> method. It looks for catalogs, and if none found, returns an empty result. 
> Hana does not support catalogs, but supports schemas. And we need to support 
> this case.
> I guess in general we need to support all combinations of schema and catalog 
> presence across different databases:
> 1. Schema and Catalog (?)
> 2. Catalog only (MySQL)
> 3. Schema only (Hana ... who else?)
> 4. No schema or catalog (any DBs like this?)

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