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https://issues.apache.org/jira/browse/DERBY-4087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12744512#action_12744512
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Bryan Pendleton commented on DERBY-4087:
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The strange newline handling in the formatting of the stop and start position
values is definitely
present in other places, such as the RUNTIMESTATISTICS displays. I believe it's
part of some
low-level shared code which constructs string versions of the underlying
qualifier objects.
I think it would be nice to fix, but it's definitely present prior to this
patch.
> 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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