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https://issues.apache.org/jira/browse/SPARK-15502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Pentreath reassigned SPARK-15502:
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Assignee: Nick Pentreath
> Add note in ML ALS docs that user / item column only supports Int
> -----------------------------------------------------------------
>
> Key: SPARK-15502
> URL: https://issues.apache.org/jira/browse/SPARK-15502
> Project: Spark
> Issue Type: Documentation
> Components: Documentation, ML, PySpark
> Reporter: Nick Pentreath
> Assignee: Nick Pentreath
> Priority: Minor
>
> Currently, ALS only supports {{Integer}} user/item ids. SPARK-14891 added
> actual validation for this, but does allow any numeric type for these columns
> so long as the ids are within {{Integer}} value range. Add a note to the user
> guide to this effect.
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