spark git commit: [SPARK-19127][DOCS] Update Rank Function Documentation
Repository: spark
Updated Branches:
refs/heads/branch-2.1 ecc16220d -> 8690d4bd1
[SPARK-19127][DOCS] Update Rank Function Documentation
## What changes were proposed in this pull request?
- [X] Fix inconsistencies in function reference for dense rank and dense
- [X] Make all languages equivalent in their reference to `dense_rank` and
`rank`.
## How was this patch tested?
N/A for docs.
Please review http://spark.apache.org/contributing.html before opening a pull
request.
Author: anabranch
Closes #16505 from anabranch/SPARK-19127.
(cherry picked from commit 1f6ded6455d07ec8828fc9662ddffe55cbba4238)
Signed-off-by: Reynold Xin
Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/8690d4bd
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/8690d4bd
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/8690d4bd
Branch: refs/heads/branch-2.1
Commit: 8690d4bd150579e546aec7866b16a77bad1017f5
Parents: ecc1622
Author: anabranch
Authored: Sun Jan 8 17:53:53 2017 -0800
Committer: Reynold Xin
Committed: Sun Jan 8 17:53:59 2017 -0800
--
R/pkg/R/functions.R | 10 ++
python/pyspark/sql/functions.py | 16 ++--
.../main/scala/org/apache/spark/sql/functions.scala | 16 ++--
3 files changed, 26 insertions(+), 16 deletions(-)
--
http://git-wip-us.apache.org/repos/asf/spark/blob/8690d4bd/R/pkg/R/functions.R
--
diff --git a/R/pkg/R/functions.R b/R/pkg/R/functions.R
index bf5c963..6ffa0f5 100644
--- a/R/pkg/R/functions.R
+++ b/R/pkg/R/functions.R
@@ -3150,7 +3150,8 @@ setMethod("cume_dist",
#' The difference between rank and dense_rank is that dense_rank leaves no
gaps in ranking
#' sequence when there are ties. That is, if you were ranking a competition
using dense_rank
#' and had three people tie for second place, you would say that all three
were in second
-#' place and that the next person came in third.
+#' place and that the next person came in third. Rank would give me sequential
numbers, making
+#' the person that came in third place (after the ties) would register as
coming in fifth.
#'
#' This is equivalent to the \code{DENSE_RANK} function in SQL.
#'
@@ -3321,10 +3322,11 @@ setMethod("percent_rank",
#'
#' Window function: returns the rank of rows within a window partition.
#'
-#' The difference between rank and denseRank is that denseRank leaves no gaps
in ranking
-#' sequence when there are ties. That is, if you were ranking a competition
using denseRank
+#' The difference between rank and dense_rank is that dense_rank leaves no
gaps in ranking
+#' sequence when there are ties. That is, if you were ranking a competition
using dense_rank
#' and had three people tie for second place, you would say that all three
were in second
-#' place and that the next person came in third.
+#' place and that the next person came in third. Rank would give me sequential
numbers, making
+#' the person that came in third place (after the ties) would register as
coming in fifth.
#'
#' This is equivalent to the RANK function in SQL.
#'
http://git-wip-us.apache.org/repos/asf/spark/blob/8690d4bd/python/pyspark/sql/functions.py
--
diff --git a/python/pyspark/sql/functions.py b/python/pyspark/sql/functions.py
index d8abafc..7fe901a 100644
--- a/python/pyspark/sql/functions.py
+++ b/python/pyspark/sql/functions.py
@@ -157,17 +157,21 @@ _window_functions = {
'dense_rank':
"""returns the rank of rows within a window partition, without any
gaps.
-The difference between rank and denseRank is that denseRank leaves no
gaps in ranking
-sequence when there are ties. That is, if you were ranking a
competition using denseRank
+The difference between rank and dense_rank is that dense_rank leaves
no gaps in ranking
+sequence when there are ties. That is, if you were ranking a
competition using dense_rank
and had three people tie for second place, you would say that all
three were in second
-place and that the next person came in third.""",
+place and that the next person came in third. Rank would give me
sequential numbers, making
+the person that came in third place (after the ties) would register as
coming in fifth.
+
+This is equivalent to the DENSE_RANK function in SQL.""",
'rank':
"""returns the rank of rows within a window partition.
-The difference between rank and denseRank is that denseRank leaves no
gaps in ranking
-sequence when there are ties. That is, if you were ranking a
competition using denseRank
+The difference between rank and dense
spark git commit: [SPARK-19127][DOCS] Update Rank Function Documentation
Repository: spark
Updated Branches:
refs/heads/master 4351e6220 -> 1f6ded645
[SPARK-19127][DOCS] Update Rank Function Documentation
## What changes were proposed in this pull request?
- [X] Fix inconsistencies in function reference for dense rank and dense
- [X] Make all languages equivalent in their reference to `dense_rank` and
`rank`.
## How was this patch tested?
N/A for docs.
Please review http://spark.apache.org/contributing.html before opening a pull
request.
Author: anabranch
Closes #16505 from anabranch/SPARK-19127.
Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/1f6ded64
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/1f6ded64
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/1f6ded64
Branch: refs/heads/master
Commit: 1f6ded6455d07ec8828fc9662ddffe55cbba4238
Parents: 4351e62
Author: anabranch
Authored: Sun Jan 8 17:53:53 2017 -0800
Committer: Reynold Xin
Committed: Sun Jan 8 17:53:53 2017 -0800
--
R/pkg/R/functions.R | 10 ++
python/pyspark/sql/functions.py | 16 ++--
.../main/scala/org/apache/spark/sql/functions.scala | 16 ++--
3 files changed, 26 insertions(+), 16 deletions(-)
--
http://git-wip-us.apache.org/repos/asf/spark/blob/1f6ded64/R/pkg/R/functions.R
--
diff --git a/R/pkg/R/functions.R b/R/pkg/R/functions.R
index bf5c963..6ffa0f5 100644
--- a/R/pkg/R/functions.R
+++ b/R/pkg/R/functions.R
@@ -3150,7 +3150,8 @@ setMethod("cume_dist",
#' The difference between rank and dense_rank is that dense_rank leaves no
gaps in ranking
#' sequence when there are ties. That is, if you were ranking a competition
using dense_rank
#' and had three people tie for second place, you would say that all three
were in second
-#' place and that the next person came in third.
+#' place and that the next person came in third. Rank would give me sequential
numbers, making
+#' the person that came in third place (after the ties) would register as
coming in fifth.
#'
#' This is equivalent to the \code{DENSE_RANK} function in SQL.
#'
@@ -3321,10 +3322,11 @@ setMethod("percent_rank",
#'
#' Window function: returns the rank of rows within a window partition.
#'
-#' The difference between rank and denseRank is that denseRank leaves no gaps
in ranking
-#' sequence when there are ties. That is, if you were ranking a competition
using denseRank
+#' The difference between rank and dense_rank is that dense_rank leaves no
gaps in ranking
+#' sequence when there are ties. That is, if you were ranking a competition
using dense_rank
#' and had three people tie for second place, you would say that all three
were in second
-#' place and that the next person came in third.
+#' place and that the next person came in third. Rank would give me sequential
numbers, making
+#' the person that came in third place (after the ties) would register as
coming in fifth.
#'
#' This is equivalent to the RANK function in SQL.
#'
http://git-wip-us.apache.org/repos/asf/spark/blob/1f6ded64/python/pyspark/sql/functions.py
--
diff --git a/python/pyspark/sql/functions.py b/python/pyspark/sql/functions.py
index d8abafc..7fe901a 100644
--- a/python/pyspark/sql/functions.py
+++ b/python/pyspark/sql/functions.py
@@ -157,17 +157,21 @@ _window_functions = {
'dense_rank':
"""returns the rank of rows within a window partition, without any
gaps.
-The difference between rank and denseRank is that denseRank leaves no
gaps in ranking
-sequence when there are ties. That is, if you were ranking a
competition using denseRank
+The difference between rank and dense_rank is that dense_rank leaves
no gaps in ranking
+sequence when there are ties. That is, if you were ranking a
competition using dense_rank
and had three people tie for second place, you would say that all
three were in second
-place and that the next person came in third.""",
+place and that the next person came in third. Rank would give me
sequential numbers, making
+the person that came in third place (after the ties) would register as
coming in fifth.
+
+This is equivalent to the DENSE_RANK function in SQL.""",
'rank':
"""returns the rank of rows within a window partition.
-The difference between rank and denseRank is that denseRank leaves no
gaps in ranking
-sequence when there are ties. That is, if you were ranking a
competition using denseRank
+The difference between rank and dense_rank is that dense_rank leaves
no gaps in ranking
+sequence when there are ties. That is, if you
