[teiid-issues] [JBoss JIRA] (TEIID-2344) Determine database version automatically

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-2344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-2344.
-----------------------------------

    Resolution: Done


Took the approach of adding new ExecutionFactory methods
isSourceRequiredForCapabilities
initCapabilities

If isSourceRequiredForCapabilities returns true (which will currently only the the case for the specific JDBC translator subtypes that use the database version property), then we'll attempt to pass a connection to the initCapabilities method.

If this fails, then we still allow planning to proceed and only fail if the final plan form still accesses a source that was planned without capabilities.  This prevents invalid plans from ever being created, but is slightly different than the expectation of partial results mode - so that may still need users to set a version manually.

Compatibility and configuration issues are in the release notes.

TEIID-2477 is required however as we're currently just setting the raw product version, which needs better handling.
                
> Determine database version automatically
> ----------------------------------------
>
>                 Key: TEIID-2344
>                 URL: https://issues.jboss.org/browse/TEIID-2344
>             Project: Teiid
>          Issue Type: Enhancement
>          Components: JDBC Connector
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 8.4
>
>
> It would be helpful if we could determine the database version automatically from the database metadata rather than relying on the user setting.  Of course if the property setting is present we shouldn't override it.

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