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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3609) Wrong functionality of auto-generated keys support
Date Wed, 25 Mar 2009 03:01:52 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688982#action_12688982

Kathey Marsden commented on DERBY-3609:

>is there any progress on this issue? 
No, I'm sorry to say and I don't know of a work around.

> Wrong functionality of auto-generated keys support
> --------------------------------------------------
>                 Key: DERBY-3609
>                 URL: https://issues.apache.org/jira/browse/DERBY-3609
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions:
>         Environment: N/A
>            Reporter: Oleksandr Alesinskyy
>         Attachments: TestGeneratedKeys.java
> Currently support for autogeneration key retrieval in JDBC driver (java.sql.Statement)
relies on IDENTITY_VAL_LOCAL function, which means that for multi-row INSERT... VALUES statements
as well as for INSERT...AS SELECT statement wrong result are returned (key generated of last
executed single-row INSERT...VALUES statement or NULL otherwise). While this functionality
is documented in the Reference description of  IDENTITY_VAL_LOCAL it is not so clearly documented
in "autogenerated keys" subchapter of JDBC 3.0 Features (the only vague hint is "Calling ResultSet.getMetaData
on the ResultSet object returned by getGeneratedKeys produces a ResultSetMetaData object that
is similar to that returned by IDENTITY_VAL_LOCAL.").
> Moreover, as far as I understant it diverge from JDBC specification. IMHO or this functionality
shal lbe implemented completely, or exception shall be thrown if for given statement functionality
is not supported (e.g. "Feature not supported").

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