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https://issues.apache.org/jira/browse/MRQL-96?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15439322#comment-15439322
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Hudson commented on MRQL-96:
----------------------------
SUCCESS: Integrated in Jenkins build mrql-master-snapshot #41 (See
[https://builds.apache.org/job/mrql-master-snapshot/41/])
[MRQL-96] Develop a MRQL debugger (fegaras:
[https://git-wip-us.apache.org/repos/asf?p=incubator-mrql.git&a=commit&h=8c52b3e2fbaec089bff5acc390e879469563aff0])
* (edit) core/src/main/java/org/apache/mrql/Provenance.gen
* (edit) core/src/main/java/org/apache/mrql/mrql.lex
* (edit) core/src/main/java/org/apache/mrql/Bag.java
* (edit) core/src/main/java/org/apache/mrql/Streaming.gen
* (add) core/src/main/java/org/apache/mrql/Debugger.gen
* (edit) core/src/main/java/org/apache/mrql/TopLevel.gen
* (edit) core/src/main/java/org/apache/mrql/Interpreter.gen
* (edit) core/src/main/java/org/apache/mrql/mrql.cgen
> Develop a MRQL debugger
> -----------------------
>
> Key: MRQL-96
> URL: https://issues.apache.org/jira/browse/MRQL-96
> Project: MRQL
> Issue Type: New Feature
> Components: Evaluation, Query Translation
> Affects Versions: 0.9.8
> Reporter: Leonidas Fegaras
> Assignee: Leonidas Fegaras
> Priority: Minor
>
> This patch introduces a novel query debugger based on the how-provenance
> information provided by the Provenance component addressed in MRQL-93. The
> debugger is a GUI based on JTree that allows to navigate through the
> provenance data associated with the query results in both forward and
> backward directions. The command to debug an MRQL query e is {{debug e}} for
> coarse-grain debugging or {{debug all e}} for fine-grain debugging. The GUI
> allows you to filter out the output or the input data to reduce the amount of
> information on screen.
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