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https://issues.apache.org/jira/browse/DERBY-4714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-4714:
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Issue & fix info: [Patch Available]
> Clean up some edge-case uses of the BOOLEAN keyword
> ---------------------------------------------------
>
> Key: DERBY-4714
> URL: https://issues.apache.org/jira/browse/DERBY-4714
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.6.1.0
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: derby-4714-01-aa-cleanup.diff
>
>
> The grammar allows almost any datatype to appear in XMLSERIALIZE statements
> and GRANT/REVOKE EXECUTE ON FUNCTION statements. Right now, the following are
> legal Derby statements:
> select xmlserialize( a as int ) from t;
> grant execute on function f( int ) to public;
> revoke execute on function f( int ) from public restrict;
> However, you cannot use BOOLEAN in these contexts. The following statements
> raise parser errors:
> select xmlserialize( a as boolean ) from t;
> grant execute on function f( boolean ) to public;
> revoke execute on function f( boolean ) from public restrict;
> We should be able to use BOOLEAN in these contexts just like other Derby
> datatypes. This won't actually enable any functionality. It will just make
> Derby's handling of datatypes more consistent. For instance, the following
> two statement should both raise a bind-time error because only string types
> are allowed as targets of the XMLSERIALIZE operator:
> select xmlserialize( a as int ) from t;
> select xmlserialize( a as boolean ) from t;
> And there is no difference between the following statements because Derby
> does not support overloading of routine signatures today. In fact, the second
> usage is not even documented in the Reference Guide:
> grant execute on function f to public;
> grant execute on function f( boolean ) to public;
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