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https://issues.apache.org/jira/browse/ARROW-14108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17419437#comment-17419437
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Weston Pace commented on ARROW-14108:
-------------------------------------
Right, this also returns intervals (not integers) and it can return, for
example,
{code:java}
{ "days": 1, "hours": 10, "minutes": 5 }
{code}
> [C++] interval_between(timestamptz, timestamptz) -> interval kernel
> -------------------------------------------------------------------
>
> Key: ARROW-14108
> URL: https://issues.apache.org/jira/browse/ARROW-14108
> Project: Apache Arrow
> Issue Type: Sub-task
> Reporter: Weston Pace
> Priority: Major
>
> Given two timestamps that each have time zones this function should return an
> interval from the first timestamp to the second timestamp according to the
> following rules (postgres rules):
> * 1 day is 24 physical hours (which may not exactly equal 1 calendar day).
> * Intervals returned will never contain a months/years field
> Examples:
> interval_between('2021-03-14 00:00:00 America/Denver', '2021-03-15 00:00:00
> America/Denver') => { "hours": 23 }
> interval_between('2021-03-14 00:00:00 UTC', '2021-03-15 00:00:00 UTC') => {
> "days": 1}
> interval_between('2021-03-14 00:00:00 UTC', '2020-03-14 00:00:00 UTC') => {
> "days": 365}
> If the first timestamp is larger than the second timestamp then the interval
> will be negative.
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