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https://issues.apache.org/jira/browse/DERBY-6036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-6036:
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Description: This also affects SELECTs from views wrapping RestrictedVTIs.
Restrictions are pushed into a restricted VTI if you wrap it in a view.
However, projections are not. I will attach a script showing this problem.
(was: Restrictions are pushed into a restricted VTI if you wrap it in a view.
However, projections are not. I will attach a script showing this problem.)
Summary: If you wrap a SELECT * view around a table, all of the columns
are read from the base row even when you SELECT only a subset of the view
columns. (was: If you wrap a view around a RestrictedVTI, the projection is
not pushed into the table function.)
> If you wrap a SELECT * view around a table, all of the columns are read from
> the base row even when you SELECT only a subset of the view columns.
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-6036
> URL: https://issues.apache.org/jira/browse/DERBY-6036
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.10.0.0
> Reporter: Rick Hillegas
> Attachments: derby-6036.sql, derbyAST.xml
>
>
> This also affects SELECTs from views wrapping RestrictedVTIs. Restrictions
> are pushed into a restricted VTI if you wrap it in a view. However,
> projections are not. I will attach a script showing this problem.
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