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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-23927) High-order function: sequence
Date Wed, 25 Apr 2018 13:30:01 GMT

     [ https://issues.apache.org/jira/browse/SPARK-23927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-23927:
------------------------------------

    Assignee:     (was: Apache Spark)

> High-order function: sequence
> -----------------------------
>
>                 Key: SPARK-23927
>                 URL: https://issues.apache.org/jira/browse/SPARK-23927
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Xiao Li
>            Priority: Major
>
> Ref: https://prestodb.io/docs/current/functions/array.html
> * sequence(start, stop) → array<bigint>
> Generate a sequence of integers from start to stop, incrementing by 1 if start is less
than or equal to stop, otherwise -1.
> * sequence(start, stop, step) → array<bigint>
> Generate a sequence of integers from start to stop, incrementing by step.
> * sequence(start, stop) → array<date>
> Generate a sequence of dates from start date to stop date, incrementing by 1 day if start
date is less than or equal to stop date, otherwise -1 day.
> * sequence(start, stop, step) → array<date>
> Generate a sequence of dates from start to stop, incrementing by step. The type of step
can be either INTERVAL DAY TO SECOND or INTERVAL YEAR TO MONTH.
> * sequence(start, stop, step) → array<timestamp>
> Generate a sequence of timestamps from start to stop, incrementing by step. The type
of step can be either INTERVAL DAY TO SECOND or INTERVAL YEAR TO MONTH.



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