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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3570) Implement DETERMINISTIC keyword for procedures and functions
Date Thu, 25 Sep 2008 16:05:44 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Hillegas updated DERBY-3570:
---------------------------------

    Attachment: derby-3570-01-ab-introduceDeterminismField.diff

Thanks for the feedback Knut and Dag. Attaching derby-3570-01-ab-introduceDeterminismField.diff.
This changes the previous patch as follows:

1) Fixes the comments on the sqlOptions field as Dag recommended.

A couple other issues:

2) It's true that the SQL modes in sqlOptions could be described by only 2 bits. I gave a
couple other bits to that field to account for future expansion.

3) I do intend to add upgrade tests for this work. They will be easier to add once I introduce
some more language. The crude checks which I perform in GeneratedColumnTest right now can't
be performed in the upgrade tests easily because I get a ClassCastException when I try to
retrieve a RoutineAliasDescriptor out of a down-rev database.

> Implement DETERMINISTIC keyword for procedures and functions
> ------------------------------------------------------------
>
>                 Key: DERBY-3570
>                 URL: https://issues.apache.org/jira/browse/DERBY-3570
>             Project: Derby
>          Issue Type: New Feature
>          Components: SQL
>            Reporter: Rick Hillegas
>         Attachments: derby-3570-01-aa-introduceDeterminismField.diff, derby-3570-01-ab-introduceDeterminismField.diff
>
>
> We will need DETERMINISTIC functions when we implement generated columns (DERBY-481).
The syntax and behavior of the DETERMINISTIC keyword are defined in the functional spec attached
to DERBY-481.

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