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https://issues.apache.org/jira/browse/SPARK-7939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated SPARK-7939:
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Labels: 1.4.1 1.5.0 (was: 1.4.1)
> Make URL partition recognition return String by default for all partition
> column types and values
> -------------------------------------------------------------------------------------------------
>
> Key: SPARK-7939
> URL: https://issues.apache.org/jira/browse/SPARK-7939
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.0
> Reporter: Jianshi Huang
> Assignee: Liang-Chi Hsieh
> Fix For: 1.5.0
>
>
> Imagine the following HDFS paths:
> /data/split=00
> /data/split=01
> ...
> /data/split=FF
> If I have less than or equal to 10 partitions (00, 01, ... 09), currently
> partition recognition will treat column 'split' as integer column.
> If I have more than 10 partitions, column 'split' will be recognized as
> String...
> This is very confusing. *So I'm suggesting to treat partition columns as
> String by default*, and allow user to specify types if needed.
> Another example is date:
> /data/date=2015-04-01 => 'date' is String
> /data/date=20150401 => 'date' is Int
> Jianshi
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