Dustin DeMeo created ZEPPELIN-1493:
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Summary: %sql charting errors for negative values when using
groupby
Key: ZEPPELIN-1493
URL: https://issues.apache.org/jira/browse/ZEPPELIN-1493
Project: Zeppelin
Issue Type: Bug
Components: GUI
Affects Versions: 0.6.1
Environment: Google Compute, Linux Ubuntu 16.04, Zeppelin 0.6.1
(download), Spark 2.0.0, Scala 2.11
Reporter: Dustin DeMeo
Priority: Minor
Issues when using groupby:
1) "Histogram" chart displays negative values after positive values
2) "Line" charts do not display information for negative values
To reproduce:
1) Create spark zeppelin notebook with default spark interpreter and type code:
{quote}
{{
%spark
val df = Seq((-2), (-1), (-1), (0), (0), (0), (1), (1), (2)).toDF("value")
df.createOrReplaceTempView("df")
%sql
SELECT value, COUNT(1) AS value
FROM df
GROUP BY value
ORDER BY value
}}
{quote}
2) Check outputs by choosing different chart types. Note that the "table"
correctly shows the correct values in order. The "histogram" chart treats the
vales as if they were unsigned. Both "line" charts fail to display information
for negative values (but are ordered correctly).
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