| Commit message (Collapse) | Author | Age | Files | Lines |
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This PR enable auto_convert in JavaGateway, then we could register a converter for a given types, for example, date and datetime.
There are two bugs related to auto_convert, see [1] and [2], we workaround it in this PR.
[1] https://github.com/bartdag/py4j/issues/160
[2] https://github.com/bartdag/py4j/issues/161
cc rxin JoshRosen
Author: Davies Liu <davies@databricks.com>
Closes #5570 from davies/py4j_date and squashes the following commits:
eb4fa53 [Davies Liu] fix tests in python 3
d17d634 [Davies Liu] rollback changes in mllib
2e7566d [Davies Liu] convert tuple into ArrayList
ceb3779 [Davies Liu] Update rdd.py
3c373f3 [Davies Liu] support date and datetime by auto_convert
cb094ff [Davies Liu] enable auto convert
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Author: Elisey Zanko <elisey.zanko@gmail.com>
Closes #5361 from 31z4/spark-6661 and squashes the following commits:
73c5d79 [Elisey Zanko] Python type errors should print type, not object
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As a follow up PR to #5544.
cc davies
Author: Reynold Xin <rxin@databricks.com>
Closes #5558 from rxin/sort-doc-improvement and squashes the following commits:
f4c276f [Reynold Xin] Review feedback.
d2dcf24 [Reynold Xin] Minor fix to SPARK-6958: Improve Python docstring for DataFrame.sort.
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```
select(['cola', 'colb'])
groupby(['colA', 'colB'])
groupby([df.colA, df.colB])
df.sort('A', ascending=True)
df.sort(['A', 'B'], ascending=True)
df.sort(['A', 'B'], ascending=[1, 0])
```
cc rxin
Author: Davies Liu <davies@databricks.com>
Closes #5544 from davies/compatibility and squashes the following commits:
4944058 [Davies Liu] add docstrings
adb2816 [Davies Liu] Merge branch 'master' of github.com:apache/spark into compatibility
bcbbcab [Davies Liu] support ascending as list
8dabdf0 [Davies Liu] improve API compatibility to pandas
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Support access columns by index in Python:
```
>>> df[df[0] > 3].collect()
[Row(age=5, name=u'Bob')]
```
Access items in ArrayType or MapType
```
>>> df.select(df.l.getItem(0), df.d.getItem("key")).show()
>>> df.select(df.l[0], df.d["key"]).show()
```
Access field in StructType
```
>>> df.select(df.r.getField("b")).show()
>>> df.select(df.r.a).show()
```
Author: Davies Liu <davies@databricks.com>
Closes #5513 from davies/access and squashes the following commits:
e04d5a0 [Davies Liu] Update run-tests-jenkins
7ada9eb [Davies Liu] update timeout
d125ac4 [Davies Liu] check column name, improve scala tests
6b62540 [Davies Liu] fix test
db15b42 [Davies Liu] Merge branch 'master' of github.com:apache/spark into access
6c32e79 [Davies Liu] add scala tests
11f1df3 [Davies Liu] improve accessor for nested types
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This PR update PySpark to support Python 3 (tested with 3.4).
Known issue: unpickle array from Pyrolite is broken in Python 3, those tests are skipped.
TODO: ec2/spark-ec2.py is not fully tested with python3.
Author: Davies Liu <davies@databricks.com>
Author: twneale <twneale@gmail.com>
Author: Josh Rosen <joshrosen@databricks.com>
Closes #5173 from davies/python3 and squashes the following commits:
d7d6323 [Davies Liu] fix tests
6c52a98 [Davies Liu] fix mllib test
99e334f [Davies Liu] update timeout
b716610 [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
cafd5ec [Davies Liu] adddress comments from @mengxr
bf225d7 [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
179fc8d [Davies Liu] tuning flaky tests
8c8b957 [Davies Liu] fix ResourceWarning in Python 3
5c57c95 [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
4006829 [Davies Liu] fix test
2fc0066 [Davies Liu] add python3 path
71535e9 [Davies Liu] fix xrange and divide
5a55ab4 [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
125f12c [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
ed498c8 [Davies Liu] fix compatibility with python 3
820e649 [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
e8ce8c9 [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
ad7c374 [Davies Liu] fix mllib test and warning
ef1fc2f [Davies Liu] fix tests
4eee14a [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
20112ff [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
59bb492 [Davies Liu] fix tests
1da268c [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
ca0fdd3 [Davies Liu] fix code style
9563a15 [Davies Liu] add imap back for python 2
0b1ec04 [Davies Liu] make python examples work with Python 3
d2fd566 [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
a716d34 [Davies Liu] test with python 3.4
f1700e8 [Davies Liu] fix test in python3
671b1db [Davies Liu] fix test in python3
692ff47 [Davies Liu] fix flaky test
7b9699f [Davies Liu] invalidate import cache for Python 3.3+
9c58497 [Davies Liu] fix kill worker
309bfbf [Davies Liu] keep compatibility
5707476 [Davies Liu] cleanup, fix hash of string in 3.3+
8662d5b [Davies Liu] Merge branch 'master' of github.com:apache/spark into python3
f53e1f0 [Davies Liu] fix tests
70b6b73 [Davies Liu] compile ec2/spark_ec2.py in python 3
a39167e [Davies Liu] support customize class in __main__
814c77b [Davies Liu] run unittests with python 3
7f4476e [Davies Liu] mllib tests passed
d737924 [Davies Liu] pass ml tests
375ea17 [Davies Liu] SQL tests pass
6cc42a9 [Davies Liu] rename
431a8de [Davies Liu] streaming tests pass
78901a7 [Davies Liu] fix hash of serializer in Python 3
24b2f2e [Davies Liu] pass all RDD tests
35f48fe [Davies Liu] run future again
1eebac2 [Davies Liu] fix conflict in ec2/spark_ec2.py
6e3c21d [Davies Liu] make cloudpickle work with Python3
2fb2db3 [Josh Rosen] Guard more changes behind sys.version; still doesn't run
1aa5e8f [twneale] Turned out `pickle.DictionaryType is dict` == True, so swapped it out
7354371 [twneale] buffer --> memoryview I'm not super sure if this a valid change, but the 2.7 docs recommend using memoryview over buffer where possible, so hoping it'll work.
b69ccdf [twneale] Uses the pure python pickle._Pickler instead of c-extension _pickle.Pickler. It appears pyspark 2.7 uses the pure python pickler as well, so this shouldn't degrade pickling performance (?).
f40d925 [twneale] xrange --> range
e104215 [twneale] Replaces 2.7 types.InstsanceType with 3.4 `object`....could be horribly wrong depending on how types.InstanceType is used elsewhere in the package--see http://bugs.python.org/issue8206
79de9d0 [twneale] Replaces python2.7 `file` with 3.4 _io.TextIOWrapper
2adb42d [Josh Rosen] Fix up some import differences between Python 2 and 3
854be27 [Josh Rosen] Run `futurize` on Python code:
7c5b4ce [Josh Rosen] Remove Python 3 check in shell.py.
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Same as #5431 but for Python. jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes #5534 from mengxr/SPARK-6893 and squashes the following commits:
d3b519b [Xiangrui Meng] address comments
ebaccc6 [Xiangrui Meng] style update
fce244e [Xiangrui Meng] update explainParams with test
4d6b07a [Xiangrui Meng] add tests
5294500 [Xiangrui Meng] update default param handling in python
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This PR change the internal representation for StringType from java.lang.String to UTF8String, which is implemented use ArrayByte.
This PR should not break any public API, Row.getString() will still return java.lang.String.
This is the first step of improve the performance of String in SQL.
cc rxin
Author: Davies Liu <davies@databricks.com>
Closes #5350 from davies/string and squashes the following commits:
3b7bfa8 [Davies Liu] fix schema of AddJar
2772f0d [Davies Liu] fix new test failure
6d776a9 [Davies Liu] Merge branch 'master' of github.com:apache/spark into string
59025c8 [Davies Liu] address comments from @marmbrus
341ec2c [Davies Liu] turn off scala style check in UTF8StringSuite
744788f [Davies Liu] Merge branch 'master' of github.com:apache/spark into string
b04a19c [Davies Liu] add comment for getString/setString
08d897b [Davies Liu] Merge branch 'master' of github.com:apache/spark into string
5116b43 [Davies Liu] rollback unrelated changes
1314a37 [Davies Liu] address comments from Yin
867bf50 [Davies Liu] fix String filter push down
13d9d42 [Davies Liu] Merge branch 'master' of github.com:apache/spark into string
2089d24 [Davies Liu] add hashcode check back
ac18ae6 [Davies Liu] address comment
fd11364 [Davies Liu] optimize UTF8String
8d17f21 [Davies Liu] fix hive compatibility tests
e5fa5b8 [Davies Liu] remove clone in UTF8String
28f3d81 [Davies Liu] Merge branch 'master' of github.com:apache/spark into string
28d6f32 [Davies Liu] refactor
537631c [Davies Liu] some comment about Date
9f4c194 [Davies Liu] convert data type for data source
956b0a4 [Davies Liu] fix hive tests
73e4363 [Davies Liu] Merge branch 'master' of github.com:apache/spark into string
9dc32d1 [Davies Liu] fix some hive tests
23a766c [Davies Liu] refactor
8b45864 [Davies Liu] fix codegen with UTF8String
bb52e44 [Davies Liu] fix scala style
c7dd4d2 [Davies Liu] fix some catalyst tests
38c303e [Davies Liu] fix python sql tests
5f9e120 [Davies Liu] fix sql tests
6b499ac [Davies Liu] fix style
a85fb27 [Davies Liu] refactor
d32abd1 [Davies Liu] fix utf8 for python api
4699c3a [Davies Liu] use Array[Byte] in UTF8String
21f67c6 [Davies Liu] cleanup
685fd07 [Davies Liu] use UTF8String instead of String for StringType
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Currently, the created broadcast object will have same life cycle as RDD in Python. For multistage jobs, an PythonRDD will be created in JVM and the RDD in Python may be GCed, then the broadcast will be destroyed in JVM before the PythonRDD.
This PR change to use PythonRDD to track the lifecycle of the broadcast object. It also have a refactor about getNumPartitions() to avoid unnecessary creation of PythonRDD, which could be heavy.
cc JoshRosen
Author: Davies Liu <davies@databricks.com>
Closes #5496 from davies/big_closure and squashes the following commits:
9a0ea4c [Davies Liu] fix big closure with shuffle
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This is the sub-task of SPARK-6254.
Wrap missing method for `StandardScalerModel`.
Author: lewuathe <lewuathe@me.com>
Closes #5310 from Lewuathe/SPARK-6643 and squashes the following commits:
fafd690 [lewuathe] Fix for lint-python
bd31a64 [lewuathe] Merge branch 'master' into SPARK-6643
578f5ee [lewuathe] Remove unnecessary class
a38f155 [lewuathe] Merge master
66bb2ab [lewuathe] Fix typos
82683a0 [lewuathe] [SPARK-6643] Implement StandardScalerModel missing methods
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It's possible to have two DataType object with same id (memory address) at different time, we should check the cached classes to verify that it's generated by given datatype.
This PR also change `__FIELDS__` and `__DATATYPE__` to lower case to match Python code style.
Author: Davies Liu <davies@databricks.com>
Closes #5445 from davies/fix_type_cache and squashes the following commits:
63b3238 [Davies Liu] typo
47bdede [Davies Liu] fix cached classes
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Author: Davies Liu <davies@databricks.com>
Closes #5404 from davies/check_version and squashes the following commits:
e559248 [Davies Liu] add tests
ec33b5f [Davies Liu] check the python version in worker
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The samples should always be sorted in ascending order, because bisect.bisect_left is used on it. The reverse order of the result is already achieved in rangePartitioner by reversing the found index.
The current implementation also work, but always uses only two partitions -- the first one and the last one (because the bisect_left return returns either "beginning" or "end" for a descending sequence).
Author: Milan Straka <fox@ucw.cz>
This patch had conflicts when merged, resolved by
Committer: Josh Rosen <joshrosen@databricks.com>
Closes #4761 from foxik/fix-descending-sort and squashes the following commits:
95896b5 [Milan Straka] Add regression test for SPARK-5969.
5757490 [Milan Straka] Fix descending pyspark.rdd.sortByKey.
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Refactor the Kafka unit test and add Python API support. CC tdas davies please help to review, thanks a lot.
Author: jerryshao <saisai.shao@intel.com>
Author: Saisai Shao <saisai.shao@intel.com>
Closes #4961 from jerryshao/SPARK-6211 and squashes the following commits:
ee4b919 [jerryshao] Fixed newly merged issue
82c756e [jerryshao] Address the comments
92912d1 [jerryshao] Address the commits
0708bb1 [jerryshao] Fix rebase issue
40b47a3 [Saisai Shao] Style fix
f889657 [Saisai Shao] Update the code according
8a2f3e2 [jerryshao] Address the issues
0f1b7ce [jerryshao] Still fix the bug
61a04f0 [jerryshao] Fix bugs and address the issues
64d9877 [jerryshao] Fix rebase bugs
8ad442f [jerryshao] Add kafka-assembly in run-tests
6020b00 [jerryshao] Add more debug info in Shell
8102d6e [jerryshao] Fix bug in Jenkins test
fde1213 [jerryshao] Code style changes
5536f95 [jerryshao] Refactor the Kafka unit test and add Python Kafka unittest support
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Supporting of SparseMatrix in PySpark.
Author: MechCoder <manojkumarsivaraj334@gmail.com>
Closes #5355 from MechCoder/spark-6577 and squashes the following commits:
7492190 [MechCoder] More readable code for densifying
ea2c54b [MechCoder] Check bounds for indexing
454ef2c [MechCoder] Made the following changes 1. Used convert_to_array for array conversion. 2. Used F order for toArray 3. Minor improvements in speed.
db76caf [MechCoder] Add support for CSR matrix
29653e7 [MechCoder] Renamed indices to rowIndices and indptr to colPtrs
b6384fe [MechCoder] [SPARK-6577] SparseMatrix should be supported in PySpark
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This patch change groupByKey() to use external sort based approach, so it can support single huge key.
For example, it can group by a dataset including one hot key with 40 millions values (strings), using 500M memory for Python worker, finished in about 2 minutes. (it will need 6G memory in hash based approach).
During groupByKey(), it will do in-memory groupBy first. If the dataset can not fit in memory, then data will be partitioned by hash. If one partition still can not fit in memory, it will switch to sort based groupBy().
Author: Davies Liu <davies.liu@gmail.com>
Author: Davies Liu <davies@databricks.com>
Closes #1977 from davies/groupby and squashes the following commits:
af3713a [Davies Liu] make sure it's iterator
67772dd [Davies Liu] fix tests
e78c15c [Davies Liu] address comments
0b0fde8 [Davies Liu] address comments
0dcf320 [Davies Liu] address comments, rollback changes in ResultIterable
e3b8eab [Davies Liu] fix narrow dependency
2a1857a [Davies Liu] typo
d2f053b [Davies Liu] add repr for FlattedValuesSerializer
c6a2f8d [Davies Liu] address comments
9e2df24 [Davies Liu] Merge branch 'master' of github.com:apache/spark into groupby
2b9c261 [Davies Liu] fix typo in comments
70aadcd [Davies Liu] Merge branch 'master' of github.com:apache/spark into groupby
a14b4bd [Davies Liu] Merge branch 'master' of github.com:apache/spark into groupby
ab5515b [Davies Liu] Merge branch 'master' into groupby
651f891 [Davies Liu] simplify GroupByKey
1578f2e [Davies Liu] Merge branch 'master' of github.com:apache/spark into groupby
1f69f93 [Davies Liu] fix tests
0d3395f [Davies Liu] Merge branch 'master' of github.com:apache/spark into groupby
341f1e0 [Davies Liu] add comments, refactor
47918b8 [Davies Liu] remove unused code
6540948 [Davies Liu] address comments:
17f4ec6 [Davies Liu] Merge branch 'master' of github.com:apache/spark into groupby
4d4bc86 [Davies Liu] bugfix
8ef965e [Davies Liu] Merge branch 'master' into groupby
fbc504a [Davies Liu] Merge branch 'master' into groupby
779ed03 [Davies Liu] fix merge conflict
2c1d05b [Davies Liu] refactor, minor turning
b48cda5 [Davies Liu] Merge branch 'master' into groupby
85138e6 [Davies Liu] Merge branch 'master' into groupby
acd8e1b [Davies Liu] fix memory when groupByKey().count()
905b233 [Davies Liu] Merge branch 'sort' into groupby
1f075ed [Davies Liu] Merge branch 'master' into sort
4b07d39 [Davies Liu] compress the data while spilling
0a081c6 [Davies Liu] Merge branch 'master' into groupby
f157fe7 [Davies Liu] Merge branch 'sort' into groupby
eb53ca6 [Davies Liu] Merge branch 'master' into sort
b2dc3bf [Davies Liu] Merge branch 'sort' into groupby
644abaf [Davies Liu] add license in LICENSE
19f7873 [Davies Liu] improve tests
11ba318 [Davies Liu] typo
085aef8 [Davies Liu] Merge branch 'master' into groupby
3ee58e5 [Davies Liu] switch to sort based groupBy, based on size of data
1ea0669 [Davies Liu] choose sort based groupByKey() automatically
b40bae7 [Davies Liu] bugfix
efa23df [Davies Liu] refactor, add spark.shuffle.sort=False
250be4e [Davies Liu] flatten the combined values when dumping into disks
d05060d [Davies Liu] group the same key before shuffle, reduce the comparison during sorting
083d842 [Davies Liu] sorted based groupByKey()
55602ee [Davies Liu] use external sort in sortBy() and sortByKey()
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Support FPGrowth algorithm in Python API.
Should we remove "Experimental" which were marked for FPGrowth and FPGrowthModel in Scala? jkbradley
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #5213 from yanboliang/spark-6264 and squashes the following commits:
ed62ead [Yanbo Liang] trigger jenkins
8ce0359 [Yanbo Liang] fix docstring style
544c725 [Yanbo Liang] address comments
a2d7cf7 [Yanbo Liang] add doc for FPGrowth.train()
dcf7d73 [Yanbo Liang] add python doc
b18fd07 [Yanbo Liang] trigger jenkins
2c951b8 [Yanbo Liang] fix typos
7f62c8f [Yanbo Liang] add fpm to __init__.py
b96206a [Yanbo Liang] Support FPGrowth algorithm in Python API
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<!-- Reviewable:start -->
[<img src="https://reviewable.io/review_button.png" height=40 alt="Review on Reviewable"/>](https://reviewable.io/reviews/apache/spark/5349)
<!-- Reviewable:end -->
Author: Cheng Lian <lian@databricks.com>
Closes #5349 from liancheng/py-refresh-table and squashes the following commits:
004bec0 [Cheng Lian] Adds HiveContext.refreshTable to PySpark
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Use `sqlContext` in PySpark shell, make it consistent with SQL programming guide. `sqlCtx` is also kept for compatibility.
Author: Davies Liu <davies@databricks.com>
Closes #5425 from davies/sqlCtx and squashes the following commits:
af67340 [Davies Liu] sqlCtx -> sqlContext
15a278f [Davies Liu] use sqlContext in python shell
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....
In particular, this makes pyspark in yarn-cluster mode fail unless
SPARK_HOME is set, when it's not really needed.
Author: Marcelo Vanzin <vanzin@cloudera.com>
Closes #5405 from vanzin/SPARK-6506 and squashes the following commits:
e184507 [Marcelo Vanzin] [SPARK-6506] [pyspark] Do not try to retrieve SPARK_HOME when not needed.
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normL1...
... and normL2.
Add test cases to insufficient unit test for `normL1` and `normL2`.
Ref: https://github.com/apache/spark/pull/5359
Author: lewuathe <lewuathe@me.com>
Closes #5374 from Lewuathe/SPARK-6720 and squashes the following commits:
5541b24 [lewuathe] More accurate tests
dc5718c [lewuathe] [SPARK-6720] PySpark MultivariateStatisticalSummary unit test for normL1 and normL2
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Add below methods in pyspark for MultivariateStatisticalSummary
- normL1
- normL2
Author: lewuathe <lewuathe@me.com>
Closes #5359 from Lewuathe/SPARK-6262 and squashes the following commits:
cbe439e [lewuathe] Implement missing methods for MultivariateStatisticalSummary
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This is the sub-task of SPARK-6254.
Wrap missing method for `Word2Vec` and `Word2VecModel`.
Author: lewuathe <lewuathe@me.com>
Closes #5296 from Lewuathe/SPARK-6615 and squashes the following commits:
f14c304 [lewuathe] Reorder tests
1d326b9 [lewuathe] Merge master
e2bedfb [lewuathe] Modify test cases
afb866d [lewuathe] [SPARK-6615] Python API for Word2Vec
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The reused address on server side had caused the server can not acknowledge the connected connections, remove it.
This PR will retry once after timeout, it also add a timeout at client side.
Author: Davies Liu <davies@databricks.com>
Closes #5324 from davies/collect_hang and squashes the following commits:
e5a51a2 [Davies Liu] remove setReuseAddress
7977c2f [Davies Liu] do retry on client side
b838f35 [Davies Liu] retry after timeout
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davies
Author: Xiangrui Meng <meng@databricks.com>
Closes #5318 from mengxr/SPARK-6660 and squashes the following commits:
0f66ec2 [Xiangrui Meng] recognize object arrays
ad8c42f [Xiangrui Meng] add a test for SPARK-6660
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Use `f.__repr__()` instead of `f.__name__` when instantiating `UserDefinedFunction`s, so `functools.partial`s may be used.
Author: ksonj <kson@siberie.de>
Closes #5206 from ksonj/partials and squashes the following commits:
ea66f3d [ksonj] Inserted blank lines for PEP8 compliance
d81b02b [ksonj] added tests for udf with partial function and callable object
2c76100 [ksonj] Makes UDFs work with all types of callables
b814a12 [ksonj] support functools.partial as udf
(cherry picked from commit 98f72dfc17853b570d05c20e97c78919682b6df6)
Signed-off-by: Josh Rosen <joshrosen@databricks.com>
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Support indexing in DenseMatrices in PySpark
Author: MechCoder <manojkumarsivaraj334@gmail.com>
Closes #5232 from MechCoder/SPARK-6576 and squashes the following commits:
a735078 [MechCoder] Change bounds
a062025 [MechCoder] Matrices are stored in column order
7917bc1 [MechCoder] [SPARK-6576] DenseMatrix in PySpark should support indexing
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NormalEquation
This PR changes lambda scaling from number of users/items to number of explicit ratings. The latter is the behavior in 1.2. Slight refactor of NormalEquation to make it independent of ALS models. srowen codexiang
Author: Xiangrui Meng <meng@databricks.com>
Closes #5314 from mengxr/SPARK-6642 and squashes the following commits:
dc655a1 [Xiangrui Meng] relax python tests
f410df2 [Xiangrui Meng] use 1.2 scaling and remove addImplicit from NormalEquation
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fixed python doc build warnings
CC whomever wants to review: rxin mengxr davies
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #5317 from jkbradley/python-doc-warnings and squashes the following commits:
4cd43c2 [Joseph K. Bradley] fixed python doc build warnings
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numpy array
Users should be able to use numpy operators directly on dense vectors. davies atalwalkar
Author: Xiangrui Meng <meng@databricks.com>
Closes #5312 from mengxr/SPARK-6651 and squashes the following commits:
e665c5c [Xiangrui Meng] wrap the result in a dense vector
23dfca3 [Xiangrui Meng] delegate dense vector arithmetics to the underlying numpy array
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Author: Reynold Xin <rxin@databricks.com>
Closes #5287 from rxin/pyspark-df-doc-cleanup-context and squashes the following commits:
1841b60 [Reynold Xin] Lint.
f2007f1 [Reynold Xin] functions and types.
bc3b72b [Reynold Xin] More improvements to DataFrame Python doc.
ac1d4c0 [Reynold Xin] Bug fix.
b163365 [Reynold Xin] Python fix. Added Experimental flag to DataFrameNaFunctions.
608422d [Reynold Xin] [Doc] Cleanup context.py Python docs.
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Python API parity check for classification and multiclass classification support, major disparities need to be added for Python:
```scala
LogisticRegressionWithLBFGS
setNumClasses
setValidateData
LogisticRegressionModel
getThreshold
numClasses
numFeatures
SVMWithSGD
setValidateData
SVMModel
getThreshold
```
For users the greatest benefit in this PR is multiclass classification was supported by Python API.
Users can train multiclass classification model and use it to predict in pyspark.
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #5137 from yanboliang/spark-6255 and squashes the following commits:
0bd531e [Yanbo Liang] address comments
444d5e2 [Yanbo Liang] LogisticRegressionModel.predict() optimization
fc7990b [Yanbo Liang] address comments
b0d9c63 [Yanbo Liang] Support Mulinomial LR model predict in Python API
ded847c [Yanbo Liang] Python API parity check for classification (support multiclass classification)
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This is the sub-task of SPARK-6254.
Wrapping IDFModel `idf` member function for pyspark.
Author: lewuathe <lewuathe@me.com>
Closes #5264 from Lewuathe/SPARK-6598 and squashes the following commits:
1dc522c [lewuathe] [SPARK-6598] Python API for IDFModel
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To maintain consistency with the Scala API.
Author: Reynold Xin <rxin@databricks.com>
Closes #5284 from rxin/df-na-alias and squashes the following commits:
19f46b7 [Reynold Xin] Show DataFrameNaFunctions in docs.
6618118 [Reynold Xin] [SPARK-6623][SQL] Alias DataFrame.na.drop and DataFrame.na.fill in Python.
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This pull request adds variants of DataFrame.na.drop and DataFrame.na.fill to the Scala/Java API, and DataFrame.fillna and DataFrame.dropna to the Python API.
Author: Reynold Xin <rxin@databricks.com>
Closes #5274 from rxin/df-missing-value and squashes the following commits:
4ee1b98 [Reynold Xin] Improve error reporting in Python.
33a330c [Reynold Xin] Remove replace for now.
bc4fdbb [Reynold Xin] Added documentation for replace.
d56f5a5 [Reynold Xin] Added replace for Scala/Java.
2385d00 [Reynold Xin] Feedback from Xiangrui on "how".
914a374 [Reynold Xin] fill with map.
185c67e [Reynold Xin] Allow specifying column subsets in fill.
749eb47 [Reynold Xin] fillna
249b94e [Reynold Xin] Removing undefined functions.
6a73c68 [Reynold Xin] Missing file.
67d7003 [Reynold Xin] [SPARK-6119][SQL] DataFrame.na.drop (Scala/Java) and DataFrame.dropna (Python)
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and applySchema
This PR create an alias for `registerFunction` as `udf.register`, to be consistent with Scala API.
It also deprecated inferSchema() and applySchema(), show an warning for them.
cc rxin
Author: Davies Liu <davies@databricks.com>
Closes #5273 from davies/udf and squashes the following commits:
476e947 [Davies Liu] address comments
c096fdb [Davies Liu] add SQLContext.udf and deprecate inferSchema() and applySchema
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Author: Reynold Xin <rxin@databricks.com>
Closes #5238 from rxin/pyspark-docs and squashes the following commits:
c285951 [Reynold Xin] Reset deprecation warning.
8c1031e [Reynold Xin] inferSchema
dd91b1a [Reynold Xin] [DOC] Improvements to Python docs.
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This fixes `predictAll` after load. jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes #5243 from mengxr/SPARK-6571 and squashes the following commits:
82dcaa7 [Xiangrui Meng] use wrapper in MatrixFactorizationModel.load
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1. Slightly modifications to the code to make it more readable.
2. Added Python implementation.
3. Updated the documentation to state that we don't guarantee the output schema for this function and it should only be used for exploratory data analysis.
Author: Reynold Xin <rxin@databricks.com>
Closes #5201 from rxin/df-describe and squashes the following commits:
25a7834 [Reynold Xin] Reset run-tests.
6abdfee [Reynold Xin] [SPARK-6117] [SQL] Improvements to DataFrame.describe()
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```
>>> df[df.name.inSet("Bob", "Mike")].collect()
[Row(age=5, name=u'Bob')]
>>> df[df.age.inSet([1, 2, 3])].collect()
[Row(age=2, name=u'Alice')]
```
Author: Davies Liu <davies@databricks.com>
Closes #5190 from davies/in and squashes the following commits:
6b73a47 [Davies Liu] Column.inSet() in Python
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MLlib Python API parity check for Regression, major disparities need to be added for Python list following:
```scala
LinearRegressionWithSGD
setValidateData
LassoWithSGD
setIntercept
setValidateData
RidgeRegressionWithSGD
setIntercept
setValidateData
```
setFeatureScaling is mllib private function which is not needed to expose in pyspark.
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #4997 from yanboliang/spark-6256 and squashes the following commits:
102f498 [Yanbo Liang] fix intercept issue & add doc test
1fb7b4f [Yanbo Liang] change 'intercept' to 'addIntercept'
de5ecbc [Yanbo Liang] MLlib Python API parity check for regression
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correctly
Weight parameters must be initialized correctly even when numpy array is passed as initial weights.
Author: lewuathe <lewuathe@me.com>
Closes #5101 from Lewuathe/SPARK-6421 and squashes the following commits:
7795201 [lewuathe] Fix lint-python errors
21d4fe3 [lewuathe] Fix init logic of weights
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See [SPARK-6096](https://issues.apache.org/jira/browse/SPARK-6096).
Author: Xusen Yin <yinxusen@gmail.com>
Closes #5090 from yinxusen/SPARK-6096 and squashes the following commits:
bd0fea5 [Xusen Yin] fix style problem, etc.
3fd41f2 [Xusen Yin] use hanging indent in Python style
e83803d [Xusen Yin] fix Python style
d6dbde5 [Xusen Yin] fix python call java error
a054bb3 [Xusen Yin] add save load for NaiveBayes python
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For Python's linear models, weights and intercept are stored in Python.
This PR implements Python's linear models sava/load functions which do the same thing as scala.
It can also make model import/export cross languages.
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #5016 from yanboliang/spark-6095 and squashes the following commits:
d9bb824 [Yanbo Liang] fix python style
b3813ca [Yanbo Liang] linear model save/load for Python reuse the Scala implementation
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The docs for the `sample` method were insufficient, now less so.
Author: mbonaci <mbonaci@gmail.com>
Closes #5097 from mbonaci/master and squashes the following commits:
a6a9d97 [mbonaci] [SPARK-6370][core] Documentation: Improve all 3 docs for RDD.sample method
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saveAsTable should be "error" instead of "append".
https://issues.apache.org/jira/browse/SPARK-6366
Author: Yin Huai <yhuai@databricks.com>
Closes #5053 from yhuai/SPARK-6366 and squashes the following commits:
fc81897 [Yin Huai] Use error as the default save mode for save/saveAsTable.
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Use `_py2java` and `_java2py` to convert Python model to/from Java model. yinxusen
Author: Xiangrui Meng <meng@databricks.com>
Closes #5049 from mengxr/SPARK-6226-mengxr and squashes the following commits:
570ba81 [Xiangrui Meng] fix python style
b10b911 [Xiangrui Meng] add save/load in PySpark's KMeansModel
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SparkSubmit should be launched without setting PYSPARK_SUBMIT_ARGS
cc JoshRosen , this mode is actually used by python unit test, so I will not add more test for it.
Author: Davies Liu <davies@databricks.com>
Closes #5019 from davies/fix_submit and squashes the following commits:
2c20b0c [Davies Liu] fix launch spark-submit from python
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use prettyString instead of toString() (which include id of expression) as column name in agg()
Author: Davies Liu <davies@databricks.com>
Closes #5006 from davies/prettystring and squashes the following commits:
cb1fdcf [Davies Liu] use prettyString as column name in agg()
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Add LassoModel to __all__ in regression.py
LassoModel does not show up in Python docs
This should be merged into branch-1.3 and master.
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #4970 from jkbradley/SPARK-6253 and squashes the following commits:
c2cb533 [Joseph K. Bradley] Add LassoModel to __all__ in regression.py
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