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https://issues.apache.org/jira/browse/DERBY-4355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-4355:
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Issue & fix info: [Release Note Needed]
The patch has two possible compatibility issues that warrant a release note:
1) It will make CROSS a reserved keyword, so existing (non-portable) code that
uses CROSS as an identifier would need to quote it.
2) Making the join specification optional changes the SQLState for some syntax
errors.
I've created a separate issue for (2), DERBY-4369, so that we get two separate
release notes.
> Implement CROSS JOIN
> --------------------
>
> Key: DERBY-4355
> URL: https://issues.apache.org/jira/browse/DERBY-4355
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Environment: any
> Reporter: Bernt M. Johnsen
> Assignee: Knut Anders Hatlen
> Attachments: cross.diff
>
>
> Implement the CROSS JOIN syntax
> SELECT * from t1 CROSS JOIN t2;
> as an alternative syntax to
> SELECT * FROM t1, t2;
> This should be pretty straight forward and ease the migration of SQL code to
> Derby.
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