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* [SPARK-19610][SQL] Support parsing multiline CSV fileshyukjinkwon2017-02-281-0/+6
| | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? This PR proposes the support for multiple lines for CSV by resembling the multiline supports in JSON datasource (in case of JSON, per file). So, this PR introduces `wholeFile` option which makes the format not splittable and reads each whole file. Since Univocity parser can produces each row from a stream, it should be capable of parsing very large documents when the internal rows are fix in the memory. ## How was this patch tested? Unit tests in `CSVSuite` and `tests.py` Manual tests with a single 9GB CSV file in local file system, for example, ```scala spark.read.option("wholeFile", true).option("inferSchema", true).csv("tmp.csv").count() ``` Author: hyukjinkwon <gurwls223@gmail.com> Closes #16976 from HyukjinKwon/SPARK-19610.
* [SPARK-18352][SQL] Support parsing multiline json filesNathan Howell2017-02-161-0/+13
| | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? If a new option `wholeFile` is set to `true` the JSON reader will parse each file (instead of a single line) as a value. This is done with Jackson streaming and it should be capable of parsing very large documents, assuming the row will fit in memory. Because the file is not buffered in memory the corrupt record handling is also slightly different when `wholeFile` is enabled: the corrupt column will contain the filename instead of the literal JSON if there is a parsing failure. It would be easy to extend this to add the parser location (line, column and byte offsets) to the output if desired. These changes have allowed types other than `String` to be parsed. Support for `UTF8String` and `Text` have been added (alongside `String` and `InputFormat`) and no longer require a conversion to `String` just for parsing. I've also included a few other changes that generate slightly better bytecode and (imo) make it more obvious when and where boxing is occurring in the parser. These are included as separate commits, let me know if they should be flattened into this PR or moved to a new one. ## How was this patch tested? New and existing unit tests. No performance or load tests have been run. Author: Nathan Howell <nhowell@godaddy.com> Closes #16386 from NathanHowell/SPARK-18352.
* [SPARK-17585][PYSPARK][CORE] PySpark SparkContext.addFile supports adding ↵Yanbo Liang2016-09-212-0/+1
| | | | | | | | | | | | | | files recursively ## What changes were proposed in this pull request? Users would like to add a directory as dependency in some cases, they can use ```SparkContext.addFile``` with argument ```recursive=true``` to recursively add all files under the directory by using Scala. But Python users can only add file not directory, we should also make it supported. ## How was this patch tested? Unit test. Author: Yanbo Liang <ybliang8@gmail.com> Closes #15140 from yanboliang/spark-17585.
* [SPARK-14555] First cut of Python API for Structured StreamingBurak Yavuz2016-04-201-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? This patch provides a first cut of python APIs for structured streaming. This PR provides the new classes: - ContinuousQuery - Trigger - ProcessingTime in pyspark under `pyspark.sql.streaming`. In addition, it contains the new methods added under: - `DataFrameWriter` a) `startStream` b) `trigger` c) `queryName` - `DataFrameReader` a) `stream` - `DataFrame` a) `isStreaming` This PR doesn't contain all methods exposed for `ContinuousQuery`, for example: - `exception` - `sourceStatuses` - `sinkStatus` They may be added in a follow up. This PR also contains some very minor doc fixes in the Scala side. ## How was this patch tested? Python doc tests TODO: - [ ] verify Python docs look good Author: Burak Yavuz <brkyvz@gmail.com> Author: Burak Yavuz <burak@databricks.com> Closes #12320 from brkyvz/stream-python.
* [SPARK-13509][SPARK-13507][SQL] Support for writing CSV with a single ↵hyukjinkwon2016-02-291-0/+4
| | | | | | | | | | | | | | | | | | | | function call https://issues.apache.org/jira/browse/SPARK-13507 https://issues.apache.org/jira/browse/SPARK-13509 ## What changes were proposed in this pull request? This PR adds the support to write CSV data directly by a single call to the given path. Several unitests were added for each functionality. ## How was this patch tested? This was tested with unittests and with `dev/run_tests` for coding style Author: hyukjinkwon <gurwls223@gmail.com> Author: Hyukjin Kwon <gurwls223@gmail.com> Closes #11389 from HyukjinKwon/SPARK-13507-13509.
* [SPARK-11292] [SQL] Python API for text data sourceReynold Xin2015-10-281-0/+2
| | | | | | | | Adds DataFrameReader.text and DataFrameWriter.text. Author: Reynold Xin <rxin@databricks.com> Closes #9259 from rxin/SPARK-11292.
* [SPARK-10185] [SQL] Feat sql comma separated pathsKoert Kuipers2015-10-171-0/+2
| | | | | | | | Make sure comma-separated paths get processed correcly in ResolvedDataSource for a HadoopFsRelationProvider Author: Koert Kuipers <koert@tresata.com> Closes #8416 from koertkuipers/feat-sql-comma-separated-paths.
* [SPARK-10716] [BUILD] spark-1.5.0-bin-hadoop2.6.tgz file doesn't uncompress ↵Sean Owen2015-09-211-0/+0
| | | | | | | | | | on OS X due to hidden file Remove ._SUCCESS.crc hidden file that may cause problems in distribution tar archive, and is not used Author: Sean Owen <sowen@cloudera.com> Closes #8846 from srowen/SPARK-10716.
* [SPARK-9100] [SQL] Adds DataFrame reader/writer shortcut methods for ORCCheng Lian2015-07-216-0/+0
| | | | | | | | | | | This PR adds DataFrame reader/writer shortcut methods for ORC in both Scala and Python. Author: Cheng Lian <lian@databricks.com> Closes #7444 from liancheng/spark-9100 and squashes the following commits: 284d043 [Cheng Lian] Fixes PySpark test cases and addresses PR comments e0b09fb [Cheng Lian] Adds DataFrame reader/writer shortcut methods for ORC
* [SPARK-8060] Improve DataFrame Python test coverage and documentation.Reynold Xin2015-06-0314-0/+3
| | | | | | | | | | Author: Reynold Xin <rxin@databricks.com> Closes #6601 from rxin/python-read-write-test-and-doc and squashes the following commits: baa8ad5 [Reynold Xin] Code review feedback. f081d47 [Reynold Xin] More documentation updates. c9902fa [Reynold Xin] [SPARK-8060] Improve DataFrame Python reader/writer interface doc and testing.
* [SPARK-4897] [PySpark] Python 3 supportDavies Liu2015-04-162-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* [SPARK-3634] [PySpark] User's module should take precedence over system modulesDavies Liu2014-09-241-0/+22
| | | | | | | | | | | | | | | Python modules added through addPyFile should take precedence over system modules. This patch put the path for user added module in the front of sys.path (just after ''). Author: Davies Liu <davies.liu@gmail.com> Closes #2492 from davies/path and squashes the following commits: 4a2af78 [Davies Liu] fix tests f7ff4da [Davies Liu] ad license header 6b0002f [Davies Liu] add tests c16c392 [Davies Liu] put addPyFile in front of sys.path
* [SPARK-2627] [PySpark] have the build enforce PEP 8 automaticallyNicholas Chammas2014-08-061-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As described in [SPARK-2627](https://issues.apache.org/jira/browse/SPARK-2627), we'd like Python code to automatically be checked for PEP 8 compliance by Jenkins. This pull request aims to do that. Notes: * We may need to install [`pep8`](https://pypi.python.org/pypi/pep8) on the build server. * I'm expecting tests to fail now that PEP 8 compliance is being checked as part of the build. I'm fine with cleaning up any remaining PEP 8 violations as part of this pull request. * I did not understand why the RAT and scalastyle reports are saved to text files. I did the same for the PEP 8 check, but only so that the console output style can match those for the RAT and scalastyle checks. The PEP 8 report is removed right after the check is complete. * Updates to the ["Contributing to Spark"](https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark) guide will be submitted elsewhere, as I don't believe that text is part of the Spark repo. Author: Nicholas Chammas <nicholas.chammas@gmail.com> Author: nchammas <nicholas.chammas@gmail.com> Closes #1744 from nchammas/master and squashes the following commits: 274b238 [Nicholas Chammas] [SPARK-2627] [PySpark] minor indentation changes 983d963 [nchammas] Merge pull request #5 from apache/master 1db5314 [nchammas] Merge pull request #4 from apache/master 0e0245f [Nicholas Chammas] [SPARK-2627] undo erroneous whitespace fixes bf30942 [Nicholas Chammas] [SPARK-2627] PEP8: comment spacing 6db9a44 [nchammas] Merge pull request #3 from apache/master 7b4750e [Nicholas Chammas] merge upstream changes 91b7584 [Nicholas Chammas] [SPARK-2627] undo unnecessary line breaks 44e3e56 [Nicholas Chammas] [SPARK-2627] use tox.ini to exclude files b09fae2 [Nicholas Chammas] don't wrap comments unnecessarily bfb9f9f [Nicholas Chammas] [SPARK-2627] keep up with the PEP 8 fixes 9da347f [nchammas] Merge pull request #2 from apache/master aa5b4b5 [Nicholas Chammas] [SPARK-2627] follow Spark bash style for if blocks d0a83b9 [Nicholas Chammas] [SPARK-2627] check that pep8 downloaded fine dffb5dd [Nicholas Chammas] [SPARK-2627] download pep8 at runtime a1ce7ae [Nicholas Chammas] [SPARK-2627] space out test report sections 21da538 [Nicholas Chammas] [SPARK-2627] it's PEP 8, not PEP8 6f4900b [Nicholas Chammas] [SPARK-2627] more misc PEP 8 fixes fe57ed0 [Nicholas Chammas] removing merge conflict backups 9c01d4c [nchammas] Merge pull request #1 from apache/master 9a66cb0 [Nicholas Chammas] resolving merge conflicts a31ccc4 [Nicholas Chammas] [SPARK-2627] miscellaneous PEP 8 fixes beaa9ac [Nicholas Chammas] [SPARK-2627] fail check on non-zero status 723ed39 [Nicholas Chammas] always delete the report file 0541ebb [Nicholas Chammas] [SPARK-2627] call Python linter from run-tests 12440fa [Nicholas Chammas] [SPARK-2627] add Scala linter 61c07b9 [Nicholas Chammas] [SPARK-2627] add Python linter 75ad552 [Nicholas Chammas] make check output style consistent
* License headersPatrick Wendell2013-12-091-0/+17
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* Implementing SPARK-878 for PySpark: adding zip and egg files to context and ↵Andre Schumacher2013-08-161-0/+0
| | | | passing it down to workers which add these to their sys.path
* Allow PySpark's SparkFiles to be used from driverJosh Rosen2013-01-231-0/+1
| | | | Fix minor documentation formatting issues.
* Fix sys.path bug in PySpark SparkContext.addPyFileJosh Rosen2013-01-221-0/+7
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