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Date: Thu, 1 Apr 2010 13:06:27 +0000 (UTC)
From: "Rick Hillegas (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-3946) Provide support for using the Derby
 parser to generate Abstract Syntax Trees
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    [ https://issues.apache.org/jira/browse/DERBY-3946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852367#action_12852367 ] 

Rick Hillegas commented on DERBY-3946:
--------------------------------------

Hi Ciu,

Some responses follow:

1) The printing is triggered by the call to QueryTreeNode.treePrint(). That method immediately defers its work to QueryTreeNode.printSubNodes(), which recurses through the nodes, printing as it goes.

2) The *s are expanded by ResultColumnList.expandAllsAndNameColumns().

Hope this helps,
-Rick

> Provide support for using the Derby parser to generate Abstract Syntax Trees
> ----------------------------------------------------------------------------
>
>                 Key: DERBY-3946
>                 URL: https://issues.apache.org/jira/browse/DERBY-3946
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.5.1.1
>            Reporter: Rick Hillegas
>         Attachments: ASTParser.java, ASTParser.java, ASTParser.java, derby-3946-01-aa-standaloneParser.diff, TreeWalker.java, TreeWalker.java
>
>
> Users would like to be able to use the Derby parser to produce query trees without actually running the queries on Derby.

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