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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/05/31 14:03:54 UTC
[GitHub] [spark] wangyum opened a new pull request #24755:
[SPARK-27898][SQL] Support 4 date operators(date + integer, integer + date,
date - integer and date - date)
wangyum opened a new pull request #24755: [SPARK-27898][SQL] Support 4 date operators(date + integer, integer + date, date - integer and date - date)
URL: https://github.com/apache/spark/pull/24755
## What changes were proposed in this pull request?
This pr add 4 date operators(date + integer, integer + date, date - integer and date - date):
Operator | Example | Result
-- | -- | --
\+ | date '2001-09-28' + 7 | date '2001-10-05'
\+ | 7 + date '2001-09-28' | date '2001-10-05'
\- | date '2001-10-01' - 7 | date '2001-09-24'
\- | date '2001-10-01' - date '2001-09-28' | integer '3' (days)
More details:
https://www.postgresql.org/docs/12/functions-datetime.html
## How was this patch tested?
unit tests
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