GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/7754
[SPARK-8186][SPARK-8187][SPARK-8194][SPARK-8198][SPARK-9133] [SQL]
functions: date_add, date_sub, add_months, months_between, time-interval
calculation
This PR is based on #7589 , thanks to @adrian-wang
Added SQL function date_add, date_sub, add_months, month_between, also add
a rule for
add/subtract of date/timestamp and interval.
Closes #7589
cc @rxin
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark date_add
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7754.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #7754
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commit c50666195d43fa652ea1cb8a7eef3d1fb3504659
Author: Daoyuan Wang <[email protected]>
Date: 2015-07-22T07:04:53Z
function date_add , date_sub
commit 1a68e0334caee8c2fff822261fd728bd6209b4b6
Author: Daoyuan Wang <[email protected]>
Date: 2015-07-22T14:28:58Z
poc of time interval calculation
commit 87c4b77cd9eb84edefe85efeb048b611eb6ee9b6
Author: Daoyuan Wang <[email protected]>
Date: 2015-07-24T17:03:33Z
function add_months, months_between and some fixes
commit 42df486c0b155ac2ec5dce8bfb45a841f3eef778
Author: Daoyuan Wang <[email protected]>
Date: 2015-07-24T17:25:46Z
fix style
commit e8a639aac79e945bdf2a52decc905360adfd625f
Author: Daoyuan Wang <[email protected]>
Date: 2015-07-24T18:31:05Z
fix
commit 522e91ab3e60f59cca7d8f783dd7284515e57238
Author: Daoyuan Wang <[email protected]>
Date: 2015-07-27T05:41:58Z
fix
commit 01943d09f4c8ba683feca3c5bfda0c998f6b5960
Author: Davies Liu <[email protected]>
Date: 2015-07-29T05:59:30Z
Merge branch 'master' into date_add
Conflicts:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/DateExpressionsSuite.scala
sql/core/src/main/scala/org/apache/spark/sql/functions.scala
sql/core/src/test/scala/org/apache/spark/sql/DateFunctionsSuite.scala
commit 989b5b993ea3b55ab46e187b871dba2b410f6a88
Author: Davies Liu <[email protected]>
Date: 2015-07-29T18:36:24Z
add python api, fix date functions
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