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https://issues.apache.org/jira/browse/DERBY-4191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12780188#action_12780188
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Mamta A. Satoor commented on DERBY-4191:
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Currently, we have a method called getRequiredPermissionsList() in
CompilerContext. I am thinking of adding another method called
getRequiredPermissionsListForCountStar() (let me know if some other name
suggestion people may have). This list will just include the TableDescriptors
of tables involved in count(*) or count(1) kind of variations. And for these
TableDescriptors, we will check if there is SELECT privilege available on table
level OR at any column level.
> Lack of SELECT privilege does not prevent SELECT COUNT(*)
> ---------------------------------------------------------
>
> Key: DERBY-4191
> URL: https://issues.apache.org/jira/browse/DERBY-4191
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.4.2.0, 10.5.1.1
> Reporter: Knut Anders Hatlen
> Attachments: repro.sql
>
>
> A user that does not have SELECT privilege on a table can still perform a
> SELECT COUNT(*) on that table. Counting a specific column (e.g., SELECT
> COUNT(X)) is prevented.
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