GitHub user JoshRosen opened a pull request:
https://github.com/apache/spark/pull/11587
[SPARK-13755] Escape quotes in Graphviz / DOT node labels
When generating Graphviz DOT files in the SQL query visualization we need
to escape double-quotes inside node labels.
See http://www.graphviz.org/doc/info/lang.html:
> In quoted strings in DOT, the only escaped character is double-quote (").
That is, in quoted strings, the dyad \" is converted to "; all other characters
are left unchanged. In particular, \\ remains \\. Layout engines may apply
additional escape sequences.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/JoshRosen/spark graphviz-escaping
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11587.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11587
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commit 3ac22fedbc725d5eaefbd4c13e3fda3536a0b38b
Author: Josh Rosen <[email protected]>
Date: 2016-03-08T21:23:59Z
Escape quotes in graphviz labels.
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