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https://issues.apache.org/jira/browse/DERBY-6263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-6263:
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Attachment: derby-6263-01-aa-visit-ignored-clauses.diff
Attaching derby-6263-01-aa-visit-ignored-clauses.diff. This patch makes the
Visitor logic inspect ORDER BY, FETCH, and OFFSET clauses. I am running tests
now.
Touches the following file:
M java/engine/org/apache/derby/impl/sql/compile/CursorNode.java
> Make the Visitor support in CursorNodes support ORDER BY lists, FETCH, and
> OFFSET clauses
> -----------------------------------------------------------------------------------------
>
> Key: DERBY-6263
> URL: https://issues.apache.org/jira/browse/DERBY-6263
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.11.0.0
> Reporter: Rick Hillegas
> Attachments: derby-6263-01-aa-visit-ignored-clauses.diff
>
>
> If you call treePrint() on a CursorNode, you will see information on ORDER
> BY, FETCH, and OFFSET clauses. However, these clauses are not visited by
> CursorNode.acceptChildren(). This looks like an omission. This defect was
> brought to our attention by this email thread:
> http://apache-database.10148.n7.nabble.com/Using-ASTParser-and-TreeWalker-for-parsing-SQL-query-td131219.html.
> You can see the difference in treePrint() and acceptChildren() behavior by
> running the following query through the ASTParser and TreePrinter tools
> attached to DERBY-3946:
> select tablename from sys.systables where 1=2 order by tablename;
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