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https://issues.apache.org/jira/browse/SPARK-26335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keiji Yoshida updated SPARK-26335:
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Description:
h2. Issue
https://issues.apache.org/jira/browse/SPARK-25108 makes Dataset#show care about
wide characters when padding them. That is useful for humans to read a result
of Dataset#show. On the other hand, that makes it impossible for programs to
parse a result of Dataset#show because each cell's length can be different from
its header's length. My company develops and manages a Jupyter/Apache
Zeppelin-like visualization tool named "OASIS"
([https://databricks.com/session/oasis-collaborative-data-analysis-platform-using-apache-spark]).
On this application, a result of Dataset#show on a Scala or Python process is
parsed to visualize it as an HTML table format. (A screenshot of OASIS has been
attached to this ticket as a file named "Screen Shot 2018-12-11 at
17.53.54.png".)
h2. Solution
Add a property for Dataset#show not to care about wide characters when padding
them.
was:
h2. Issue
https://issues.apache.org/jira/browse/SPARK-25108 makes Dataset#show care about
wide characters when padding them. That is useful for humans to read a result
of Dataset#show. On the other hand, that makes it impossible for programs to
parse a result of Dataset#show because each cell's length can be different from
its header's length. My company develops and manages a Jupyter/Apache
Zeppelin-like visualization tool named "OASIS"
([https://databricks.com/session/oasis-collaborative-data-analysis-platform-using-apache-spark]).
On this application, a result of Dataset#show on a Scala or Python process is
parsed to visualize it as an HTML table format. (A screenshot of OASIS has been
attached to this ticket as a file named "Screen Shot 2018-12-11 at
17.53.54.png".)
h2. Solution
Add an option for Dataset#show not to care about wide characters when padding
them.
> Add a property for Dataset#show not to care about wide characters when
> padding them
> ---
>
> Key: SPARK-26335
> URL: https://issues.apache.org/jira/browse/SPARK-26335
> Project: Spark
> Issue Type: Improvement
> Components: SQL
>Affects Versions: 2.4.0
>Reporter: Keiji Yoshida
>Priority: Major
> Attachments: Screen Shot 2018-12-11 at 17.53.54.png
>
>
> h2. Issue
> https://issues.apache.org/jira/browse/SPARK-25108 makes Dataset#show care
> about wide characters when padding them. That is useful for humans to read a
> result of Dataset#show. On the other hand, that makes it impossible for
> programs to parse a result of Dataset#show because each cell's length can be
> different from its header's length. My company develops and manages a
> Jupyter/Apache Zeppelin-like visualization tool named "OASIS"
> ([https://databricks.com/session/oasis-collaborative-data-analysis-platform-using-apache-spark]).
> On this application, a result of Dataset#show on a Scala or Python process
> is parsed to visualize it as an HTML table format. (A screenshot of OASIS has
> been attached to this ticket as a file named "Screen Shot 2018-12-11 at
> 17.53.54.png".)
> h2. Solution
> Add a property for Dataset#show not to care about wide characters when
> padding them.
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