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[SPARK-16268][PySpark]SQLContext should import DataStreamReader #13958

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[SPARK-16268][PySpark]SQLContext should import DataStreamReader #13958

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11 changes: 9 additions & 2 deletions python/pyspark/sql/context.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@
from pyspark.rdd import ignore_unicode_prefix
from pyspark.sql.session import _monkey_patch_RDD, SparkSession
from pyspark.sql.dataframe import DataFrame
from pyspark.sql.readwriter import DataFrameReader
from pyspark.sql.readwriter import DataFrameReader, DataStreamReader
from pyspark.sql.types import Row, StringType
from pyspark.sql.utils import install_exception_handler

Expand Down Expand Up @@ -438,8 +438,12 @@ def readStream(self):
.. note:: Experimental.

:return: :class:`DataStreamReader`

>>> text_sdf = sqlContext.readStream.text(os.path.join(tempfile.mkdtemp(), 'data'))
>>> text_sdf.isStreaming
True
"""
return DataStreamReader(self._wrapped)
return DataStreamReader(self)

@property
@since(2.0)
Expand Down Expand Up @@ -515,6 +519,7 @@ def register(self, name, f, returnType=StringType()):
def _test():
import os
import doctest
import tempfile
from pyspark.context import SparkContext
from pyspark.sql import Row, SQLContext
import pyspark.sql.context
Expand All @@ -523,6 +528,8 @@ def _test():

globs = pyspark.sql.context.__dict__.copy()
sc = SparkContext('local[4]', 'PythonTest')
globs['tempfile'] = tempfile
globs['os'] = os
globs['sc'] = sc
globs['sqlContext'] = SQLContext(sc)
globs['rdd'] = rdd = sc.parallelize(
Expand Down