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Posted to commits@spark.apache.org by rx...@apache.org on 2016/11/20 05:57:13 UTC
spark git commit: [SPARK-18508][SQL] Fix documentation error for
DateDiff
Repository: spark
Updated Branches:
refs/heads/master d93b65524 -> bce9a0367
[SPARK-18508][SQL] Fix documentation error for DateDiff
## What changes were proposed in this pull request?
The previous documentation and example for DateDiff was wrong.
## How was this patch tested?
Doc only change.
Author: Reynold Xin <rx...@databricks.com>
Closes #15937 from rxin/datediff-doc.
Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/bce9a036
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/bce9a036
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/bce9a036
Branch: refs/heads/master
Commit: bce9a03677f931d52491e7768aba9e4a19a7e696
Parents: d93b655
Author: Reynold Xin <rx...@databricks.com>
Authored: Sat Nov 19 21:57:09 2016 -0800
Committer: Reynold Xin <rx...@databricks.com>
Committed: Sat Nov 19 21:57:09 2016 -0800
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.../spark/sql/catalyst/expressions/datetimeExpressions.scala | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/bce9a036/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
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diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
index 9cec6be..1db1d19 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
@@ -1101,11 +1101,14 @@ case class TruncDate(date: Expression, format: Expression)
* Returns the number of days from startDate to endDate.
*/
@ExpressionDescription(
- usage = "_FUNC_(date1, date2) - Returns the number of days between `date1` and `date2`.",
+ usage = "_FUNC_(endDate, startDate) - Returns the number of days from `startDate` to `endDate`.",
extended = """
Examples:
- > SELECT _FUNC_('2009-07-30', '2009-07-31');
+ > SELECT _FUNC_('2009-07-31', '2009-07-30');
1
+
+ > SELECT _FUNC_('2009-07-30', '2009-07-31');
+ -1
""")
case class DateDiff(endDate: Expression, startDate: Expression)
extends BinaryExpression with ImplicitCastInputTypes {
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