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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3971) select * from new SPACETABLE ('<tablename>') t; throws an error
Date Wed, 03 Dec 2008 14:03:44 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652789#action_12652789
] 

Rick Hillegas commented on DERBY-3971:
--------------------------------------

Hi Mayuresh,

The preferred (and supported) way to invoke the diagnostic VTIs is via the table function
syntax, as described in the Reference Guide section titled "SYSCS_DIAG diagnostic tables and
functions". So, for instance, the supported way to invoke  SpaceTable is this:

   select * from table( syscs_diag.space_table( 'APP', 'T' ) ) s

The information in the javadoc is stale and reflects the old Cloudscape syntax for instantiating
a VTI. That syntax was largely deprecated as part of an effort to bring us into compliance
with the ANSI/ISO standard. I don't see aliases defined for any of the diagnostic VTIs and
I think that the javadoc should be corrected. Thanks for finding this.

> select * from new SPACETABLE ('<tablename>') t; throws an error
> ---------------------------------------------------------------
>
>                 Key: DERBY-3971
>                 URL: https://issues.apache.org/jira/browse/DERBY-3971
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.4.2.0
>         Environment: generic
>            Reporter: Mayuresh Nirhali
>            Priority: Minor
>
> The alias for SpaceTable diagnostic table does not work. I can reproduce this on 10.2
trunk and also on the head.
> ij> select * from new SPACETABLE('t') ts;
> ERROR 42X01: Syntax error: SPACETABLE.
> The following works query works though,
> ij> select * from new org.apache.derby.diag.SpaceTable('schemaname','tablename') a;
> The SpaceTable.java has a javadoc comment, as below,
>     Alternatively, the table can be invoked through the system alias SpaceTable
>     <PRE> select * from new SPACETABLE('MYTABLE') t; </PRE>
> I believe either the alias should work or the javadoc comment should be corrected.

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