[teiid-issues] [JBoss JIRA] (TEIID-5773) Allow for generated_key retrieval at a session level

[Steven Hawkins (Jira)]

     [ https://issues.jboss.org/browse/TEIID-5773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-5773.
-----------------------------------
    Resolution: Done


Updated the generated_key logic to use a session variable.  The doc was updated as well to indicate the last value for the session is returned.

> Allow for generated_key retrieval at a session level
> ----------------------------------------------------
>
>                 Key: TEIID-5773
>                 URL: https://issues.jboss.org/browse/TEIID-5773
>             Project: Teiid
>          Issue Type: Sub-task
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Major
>             Fix For: 12.3
>
>
> The docs suggest that generated_key should be called in a procedure.  However calling outside of a procedure will currently return no values as the keys are associated with the executing command context only.  Ideally from a connection the user should be able to do:
> insert into ...;
> select generated_key() ...;
> In separate statements and still retrieve the key value.
> The workaround is to use an anonymous procedure block:
> begin
> insert into ...;
> select generated_key() ...;
> end



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