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Posted to derby-dev@db.apache.org by "Mamta A. Satoor (JIRA)" <ji...@apache.org> on 2013/06/25 17:10:22 UTC
[jira] [Updated] (DERBY-791) Expose api for printing Abstract
Syntax Trees in production (non-debug) servers
[ https://issues.apache.org/jira/browse/DERBY-791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mamta A. Satoor updated DERBY-791:
----------------------------------
Urgency: Normal
Labels: derby_triage10_11 (was: )
> Expose api for printing Abstract Syntax Trees in production (non-debug) servers
> -------------------------------------------------------------------------------
>
> Key: DERBY-791
> URL: https://issues.apache.org/jira/browse/DERBY-791
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Reporter: Rick Hillegas
> Labels: derby_triage10_11
> Attachments: ASTGrapher.java, derby-791-01-aa-fromListAndResultColumnList.diff, derby-791-02-aa-printTargetColumnList.diff, XmlTreeWalker.java, XmlTreeWalker.java, XmlTreeWalker.java, XmlTreeWalker.java, XmlTreeWalker.java, z.xml
>
>
> Currently you can print Abstract Syntax Trees to derby.log by setting the DumpParseTree tracepoint at server startup. E.g.:
> java -cp $CLASSPATH -Dderby.debug.true=DumpParseTree -Dderby.stream.error.logSeverityLevel=0 org.apache.derby.tools.ij z.sql
> This can be a useful debugging tool. However, it only works on debug servers built with the following flags:
> sanity=true
> debug=true
> We should provide some mechanism for printing these trees in production (non-debug) servers.
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