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| author | Reynold Xin <rxin@databricks.com> | 2015-02-24 18:59:23 -0800 |
|---|---|---|
| committer | Michael Armbrust <michael@databricks.com> | 2015-02-24 18:59:23 -0800 |
| commit | fba11c2f55dd81e4f6230e7edca3c7b2e01ccd9d (patch) | |
| tree | 0265e1e104b5e64f77e2a72f12f91444d63810ea /python/pyspark/sql/functions.py | |
| parent | 53a1ebf33b5c349ae3a40d7eebf357b839b363af (diff) | |
| download | spark-fba11c2f55dd81e4f6230e7edca3c7b2e01ccd9d.tar.gz spark-fba11c2f55dd81e4f6230e7edca3c7b2e01ccd9d.tar.bz2 spark-fba11c2f55dd81e4f6230e7edca3c7b2e01ccd9d.zip | |
[SPARK-5985][SQL] DataFrame sortBy -> orderBy in Python.
Also added desc/asc function for constructing sorting expressions more conveniently. And added a small fix to lift alias out of cast expression.
Author: Reynold Xin <rxin@databricks.com>
Closes #4752 from rxin/SPARK-5985 and squashes the following commits:
aeda5ae [Reynold Xin] Added Experimental flag to ColumnName.
047ad03 [Reynold Xin] Lift alias out of cast.
c9cf17c [Reynold Xin] [SPARK-5985][SQL] DataFrame sortBy -> orderBy in Python.
Diffstat (limited to 'python/pyspark/sql/functions.py')
| -rw-r--r-- | python/pyspark/sql/functions.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/python/pyspark/sql/functions.py b/python/pyspark/sql/functions.py index fc61162f0b..8aa4476520 100644 --- a/python/pyspark/sql/functions.py +++ b/python/pyspark/sql/functions.py @@ -48,6 +48,9 @@ _functions = { 'lit': 'Creates a :class:`Column` of literal value.', 'col': 'Returns a :class:`Column` based on the given column name.', 'column': 'Returns a :class:`Column` based on the given column name.', + 'asc': 'Returns a sort expression based on the ascending order of the given column name.', + 'desc': 'Returns a sort expression based on the descending order of the given column name.', + 'upper': 'Converts a string expression to upper case.', 'lower': 'Converts a string expression to upper case.', 'sqrt': 'Computes the square root of the specified float value.', |