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hyukjinkwon 7e5359be5c [SPARK-19610][SQL] Support parsing multiline CSV files 
## 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.
2017-02-28 13:34:33 -08:00
..
ml [SPARK-14489][ML][PYSPARK] ALS unknown user/item prediction strategy 2017-02-28 16:17:35 +02:00
mllib [SPARK-17645][MLLIB][ML][FOLLOW-UP] document minor change 2017-01-10 13:09:58 +00:00
sql [SPARK-19610][SQL] Support parsing multiline CSV files 2017-02-28 13:34:33 -08:00
streaming [SPARK-19405][STREAMING] Support for cross-account Kinesis reads via STS 2017-02-22 11:32:36 -05:00
__init__.py [SPARK-18576][PYTHON] Add basic TaskContext information to PySpark 2016-12-20 15:51:21 -08:00
accumulators.py [SPARK-8652] [PYSPARK] Check return value for all uses of doctest.testmod() 2015-06-26 08:12:22 -07:00
broadcast.py [SPARK-17472] [PYSPARK] Better error message for serialization failures of large objects in Python 2016-09-14 13:37:35 -07:00
cloudpickle.py [SPARK-19019] [PYTHON] Fix hijacked collections.namedtuple and port cloudpickle changes for PySpark to work with Python 3.6.0 2017-01-17 09:53:20 -08:00
conf.py [SPARK-18447][DOCS] Fix the markdown for Note:/NOTE:/Note that across Python API documentation 2016-11-22 11:40:18 +00:00
context.py [SPARK-13330][PYSPARK] PYTHONHASHSEED is not propgated to python worker 2017-02-24 15:04:42 -08:00
daemon.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
files.py [SPARK-3309] [PySpark] Put all public API in __all__ 2014-09-03 11:49:45 -07:00
find_spark_home.py [SPARK-1267][SPARK-18129] Allow PySpark to be pip installed 2016-11-16 14:22:15 -08:00
heapq3.py [SPARK-8652] [PYSPARK] Check return value for all uses of doctest.testmod() 2015-06-26 08:12:22 -07:00
java_gateway.py [SPARK-1267][SPARK-18129] Allow PySpark to be pip installed 2016-11-16 14:22:15 -08:00
join.py [SPARK-14202] [PYTHON] Use generator expression instead of list comp in python_full_outer_jo… 2016-03-28 14:51:36 -07:00
profiler.py [SPARK-8652] [PYSPARK] Check return value for all uses of doctest.testmod() 2015-06-26 08:12:22 -07:00
rdd.py [SPARK-13330][PYSPARK] PYTHONHASHSEED is not propgated to python worker 2017-02-24 15:04:42 -08:00
rddsampler.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
resultiterable.py [SPARK-3074] [PySpark] support groupByKey() with single huge key 2015-04-09 17:07:23 -07:00
serializers.py [SPARK-19019] [PYTHON] Fix hijacked collections.namedtuple and port cloudpickle changes for PySpark to work with Python 3.6.0 2017-01-17 09:53:20 -08:00
shell.py [SPARK-16536][SQL][PYSPARK][MINOR] Expose sql in PySpark Shell 2016-07-13 22:24:26 -07:00
shuffle.py [SPARK-10710] Remove ability to disable spilling in core and SQL 2015-09-19 21:40:21 -07:00
statcounter.py [SPARK-6919] [PYSPARK] Add asDict method to StatCounter 2015-09-29 13:38:15 -07:00
status.py [SPARK-4172] [PySpark] Progress API in Python 2015-02-17 13:36:43 -08:00
storagelevel.py [SPARK-13992][CORE][PYSPARK][FOLLOWUP] Update OFF_HEAP semantics for Java api and Python api 2016-04-12 23:06:55 -07:00
taskcontext.py [SPARK-18576][PYTHON] Add basic TaskContext information to PySpark 2016-12-20 15:51:21 -08:00
tests.py [SPARK-19660][CORE][SQL] Replace the configuration property names that are deprecated in the version of Hadoop 2.6 2017-02-28 10:13:42 +00:00
traceback_utils.py [SPARK-1087] Move python traceback utilities into new traceback_utils.py file. 2014-09-15 19:28:17 -07:00
version.py [SPARK-1267][SPARK-18129] Allow PySpark to be pip installed 2016-11-16 14:22:15 -08:00
worker.py [SPARK-18576][PYTHON] Add basic TaskContext information to PySpark 2016-12-20 15:51:21 -08:00