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https://issues.apache.org/jira/browse/SPARK-26054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jaya Krishna updated SPARK-26054:
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Attachment: sparksql-rounding.png
> Creating a computed column applying the spark sql rounding on a column of
> type decimal affects the orginal column as well.
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-26054
> URL: https://issues.apache.org/jira/browse/SPARK-26054
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.0
> Reporter: Jaya Krishna
> Priority: Minor
> Attachments: sparksql-rounding.png
>
>
> When a computed column that rounds the value is added to a dataframe, it is
> affecting the value of the original column as well. The behavior depends on
> the database column type - If it is either float or double, the result is as
> expected - the original column will have its own formatting and the computed
> column will be rounded as per the rounding definition specified for it.
> However if the column type in the database is decimal, then Spark SQL is
> applying the rounding even to the original column.
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