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From "Mark B (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3676) Make the toString() method of Derby PreparedStatements print out SQL text with ? parameters replaced by the values that have been set so far
Date Wed, 02 Sep 2009 14:02:32 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750444#action_12750444
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Mark B commented on DERBY-3676:
-------------------------------

Hi Rick,

I've now addressed that quoted '?' business;

I'm adding the client functionality now;

the only real 'policy' question now is how to handle quotes - a string substitution should
be quoted, while a null substitution should perhaps not be;

I need to look into the public API aspect, I'm just picking up the feel for the way the code
is arranged; the suggestions sound good though

I'll post the patch when it's virtually complete rather than as a regular update

> Make the toString() method of Derby PreparedStatements print out SQL text with ? parameters
replaced by the values that have been set so far
> --------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3676
>                 URL: https://issues.apache.org/jira/browse/DERBY-3676
>             Project: Derby
>          Issue Type: Improvement
>          Components: JDBC
>            Reporter: Rick Hillegas
>         Attachments: humanstringprepared.txt, ick.txt, ick.txt
>
>
> This topic came up in the following email thread on the user list: http://www.nabble.com/PreparedStatement.toString%28%29---nice-formatting-td17250811.html#a17250811
Here's what the thread requests: 
> "In mysql, a toString() on a PreparedStatement will do this, eg "select x
> from foo where x.a = ?" will become "select x from foo where x.a = 1" with
> the appropriate setValue() call."
> At first blush, this seems like it might be a simple project for a newcomer.

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