Alex Goodman created ZEPPELIN-1638:
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Summary: Text statements before %html or %angular magics in a
paragraph won't display in output
Key: ZEPPELIN-1638
URL: https://issues.apache.org/jira/browse/ZEPPELIN-1638
Project: Zeppelin
Issue Type: Bug
Components: Interpreters
Affects Versions: 0.6.2
Reporter: Alex Goodman
Fix For: 0.7.0
Print statements (or statements which automatically print like variable
assignment statements in scala-based interpreters like %spark) will not be
displayed in the paragraph output if they are followed by a print statement
which changes the type from text (eg, %html or %angular). For example,
{code}
%spark
val a = 1
println("%html")
{code}
does not display anything. If I instead call println("%html") before the
variable assignment, then output will be displayed. It would thus be good if
the magics could retroactively change the result types of preceding statements
so that they are displayed properly. This is especially important for the
upcoming matplotlib integration features in the python-based interpreters since
there is a post-execute hook which always sets the output to HTML or ANGULAR
when any figures are open.
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