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Date: Tue, 11 Aug 2009 09:45:14 -0700 (PDT)
From: "Dag H. Wanvik (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Updated: (DERBY-4087) Clean up debug printing of the
 abstract syntax trees after parsing, binding and optimization
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     [ https://issues.apache.org/jira/browse/DERBY-4087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dag H. Wanvik updated DERBY-4087:
---------------------------------

    Attachment:     (was: dumpquery)

> Clean up debug printing of the abstract syntax trees after parsing, binding and optimization 
> ---------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4087
>                 URL: https://issues.apache.org/jira/browse/DERBY-4087
>             Project: Derby
>          Issue Type: Improvement
>          Components: Miscellaneous, SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>            Priority: Trivial
>         Attachments: derby-4087-a.diff, derby-4087-a.stat, dumpquery, sample.log
>
>
> Currently, the printing is often inconsistent:
> - some subtrees not printed
> - wrong indentation due to missing newlines, or lacking level increments
> - redundant printing of subtrees (AST is really a DAG, would be nice to print only once and then refer back to show aliasing)
> - some items printed twice due to inconsistent usage of pattern

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