Arseniy Tashoyan created ZEPPELIN-3026:
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Summary: Auto-assign keys/values: The first column is key, others
are values
Key: ZEPPELIN-3026
URL: https://issues.apache.org/jira/browse/ZEPPELIN-3026
Project: Zeppelin
Issue Type: Improvement
Components: GUI
Affects Versions: 0.7.3
Reporter: Arseniy Tashoyan
Priority: Normal
It would be great to have a visualization mode when the first column is
considered as key and all other columns are considered as values.
*Example*. User has a table with Top-5 CPU consumers:
{code:none}
+---------+----+----+-----+----+-------+------+
|timestamp|java|rngd|rsync|Xorg|Adapter|Others|
+---------+----+----+-----+----+-------+------+
| 1|10.0|20.3| 0.0| 5.0| 0.0| 5.0|
| 2|31.0|40.0| 0.0| 0.0| 0.0| 28.0|
| 3|25.0|40.0| 6.0| 0.0| 0.0| 28.0|
| 4|25.0|40.0| 6.0| 0.0| 0.0| 28.0|
| 5|25.0|40.0| 6.0| 0.0| 0.0| 19.0|
| 6|25.0|40.0| 6.0| 0.0| 0.0| 24.0|
| 7|25.0|40.0| 6.0| 0.0| 0.0| 28.0|
| 8|25.0|40.0| 6.0| 0.0| 0.0| 26.0|
| 9|25.0|40.0| 6.0| 0.0| 0.0| 28.0|
| 10|15.0| 0.0| 0.0|10.0| 20.2| 35.0|
+---------+----+----+-----+----+-------+------+
{code}
User plots this table as a stacked bar-chart (for example). User has to
manually assign all columns with process names as values. The problem is that
on next execution user has a different set in his Top-5. So user has to repeat
this exercise with mouse dragging-dropping every time he wants to visualize new
data.
The idea of the improvement is to have a mode _first column is always key,
others are always values_. With this mode on, Zeppelin will update
automatically the set of values to dispay each time it plots the data.
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