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https://issues.apache.org/jira/browse/HIVE-15982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15971687#comment-15971687
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Carter Shanklin commented on HIVE-15982:
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[~stakiar]
Sorry for the delayed response, I checked the SQL spec, for SQL conformance
only numeric value expressions are needed. I can see some value in supporting
dates or timestamps, e.g. for creating a histogram of sign-up dates, first
purchase dates and so on, but it doesn't seem mandatory.
Supporting intervals -- maybe a histogram account inactivity time. Again, nice
to have.
> Support the width_bucket function
> ---------------------------------
>
> Key: HIVE-15982
> URL: https://issues.apache.org/jira/browse/HIVE-15982
> Project: Hive
> Issue Type: Sub-task
> Components: SQL
> Reporter: Carter Shanklin
> Assignee: Sahil Takiar
>
> Support the width_bucket(wbo, wbb1, wbb2, wbc) which returns an integer
> between 0 and wbc+1 by mapping wbo into the ith equally sized bucket made by
> dividing wbb1 and wbb2 into equally sized regions. If wbo < wbb1, return 1,
> if wbo > wbb2 return wbc+1. Reference: SQL standard section 4.4.
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