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Takeshi Yamamuro e219e692ef [SPARK-23772][SQL] Provide an option to ignore column of all null values or empty array during JSON schema inference 
## What changes were proposed in this pull request?
This pr added a new JSON option `dropFieldIfAllNull ` to ignore column of all null values or empty array/struct during JSON schema inference.

## How was this patch tested?
Added tests in `JsonSuite`.

Author: Takeshi Yamamuro <yamamuro@apache.org>
Author: Xiangrui Meng <meng@databricks.com>

Closes #20929 from maropu/SPARK-23772.
2018-06-19 00:24:54 +08:00
..
ml [SPARK-15064][ML] Locale support in StopWordsRemover 2018-06-12 08:16:37 -07:00
mllib [SPARK-15750][MLLIB][PYSPARK] Constructing FPGrowth fails when no numPartitions specified in pyspark 2018-05-07 14:47:58 -07:00
sql [SPARK-23772][SQL] Provide an option to ignore column of all null values or empty array during JSON schema inference 2018-06-19 00:24:54 +08:00
streaming [SPARK-17756][PYTHON][STREAMING] Workaround to avoid return type mismatch in PythonTransformFunction 2018-06-09 01:27:51 +07:00
__init__.py [SPARK-23328][PYTHON] Disallow default value None in na.replace/replace when 'to_replace' is not a dictionary 2018-02-09 14:21:10 +08:00
_globals.py [SPARK-23328][PYTHON] Disallow default value None in na.replace/replace when 'to_replace' is not a dictionary 2018-02-09 14:21:10 +08:00
accumulators.py [SPARK-23522][PYTHON] always use sys.exit over builtin exit 2018-03-08 20:38:34 +09:00
broadcast.py [SPARK-23522][PYTHON] always use sys.exit over builtin exit 2018-03-08 20:38:34 +09:00
cloudpickle.py [SPARK-24303][PYTHON] Update cloudpickle to v0.4.4 2018-05-18 09:53:24 -07:00
conf.py [SPARK-23522][PYTHON] always use sys.exit over builtin exit 2018-03-08 20:38:34 +09:00
context.py [SPARK-21945][YARN][PYTHON] Make --py-files work with PySpark shell in Yarn client mode 2018-05-17 12:07:58 +08:00
daemon.py [PYSPARK] Update py4j to version 0.10.7. 2018-05-09 10:47:35 -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-23522][PYTHON] always use sys.exit over builtin exit 2018-03-08 20:38:34 +09:00
heapq3.py [SPARK-23522][PYTHON] always use sys.exit over builtin exit 2018-03-08 20:38:34 +09:00
java_gateway.py [PYSPARK] Update py4j to version 0.10.7. 2018-05-09 10:47:35 -07:00
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-23522][PYTHON] always use sys.exit over builtin exit 2018-03-08 20:38:34 +09:00
rdd.py [SPARK-22239][SQL][PYTHON] Enable grouped aggregate pandas UDFs as window functions with unbounded window frames 2018-06-13 09:10:52 +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 [PYTHON] Fix typo in serializer exception 2018-06-15 16:59:00 +08:00
shell.py [SPARK-16451][REPL] Fail shell if SparkSession fails to start. 2018-06-05 08:29:29 +07:00
shuffle.py [SPARK-23754][PYTHON] Re-raising StopIteration in client code 2018-05-30 18:11:33 +08:00
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-24397][PYSPARK] Added TaskContext.getLocalProperty(key) in Python 2018-05-31 11:23:57 -07:00
tests.py [SPARK-24396][SS][PYSPARK] Add Structured Streaming ForeachWriter for python 2018-06-15 12:56:39 -07:00
traceback_utils.py [SPARK-1087] Move python traceback utilities into new traceback_utils.py file. 2014-09-15 19:28:17 -07:00
util.py [SPARK-23754][PYTHON][FOLLOWUP] Move UDF stop iteration wrapping from driver to executor 2018-06-11 10:15:42 +08:00
version.py [SPARK-23028] Bump master branch version to 2.4.0-SNAPSHOT 2018-01-13 00:37:59 +08:00
worker.py [SPARK-22239][SQL][PYTHON] Enable grouped aggregate pandas UDFs as window functions with unbounded window frames 2018-06-13 09:10:52 +08:00