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https://issues.apache.org/jira/browse/DERBY-4399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12762787#action_12762787
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Dag H. Wanvik commented on DERBY-4399:
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Does this look right? I think it's more readable to factor out the correlation,
e.g. as:
TableViewOrFunctionExpression:
{
{ table-Name | view-Name }
[ Correlation ]
|
{ TableSubquery | TableFunctionInvocation }
Correlation
}
Correlation:
[ AS ]
correlation-Name
[ ( Simple-column-Name [ , Simple-column-Name ]* ) ]
> Syntax description for TableViewOrFunctionExpression lack subquery option
> -------------------------------------------------------------------------
>
> Key: DERBY-4399
> URL: https://issues.apache.org/jira/browse/DERBY-4399
> Project: Derby
> Issue Type: Bug
> Components: Documentation
> Reporter: Dag H. Wanvik
>
> In the reference manual, we find these syntax descriptions (start with
> http://db.apache.org/derby/docs/dev/ref/rrefsqlj21583.html):
> TableExpression:
> {
> TableViewOrFunctionExpression | JOIN operation
> }
> TableViewOrFunctionExpression:
> { table-Name | view-Name | TableFunctionInvocation}
> [ [ AS ] correlation-Name
> [ (Simple-column-Name [ , Simple-column-Name]* ) ] ] ]
> I cannot find a way from the "FROM clause" to the TableSubquery production,
> so I think the latter should read:
> { table-Name | TableSubquery | view-Name | TableFunctionInvocation }
> [ [ AS ] correlation-Name
> [ (Simple-column-Name [ , Simple-column-Name]* ) ] ] ]
> Also, the "JOIN operation" is not clickable.
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