Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16528#discussion_r96108967
--- Diff: python/pyspark/sql/catalog.py ---
@@ -138,7 +139,27 @@ def listColumns(self, tableName, dbName=None):
@since(2.0)
def createExternalTable(self, tableName, path=None, source=None,
schema=None, **options):
- """Creates an external table based on the dataset in a data source.
+ """Creates a table based on the dataset in a data source.
+
+ It returns the DataFrame associated with the external table.
+
+ The data source is specified by the ``source`` and a set of
``options``.
+ If ``source`` is not specified, the default data source configured
by
+ ``spark.sql.sources.default`` will be used.
+
+ Optionally, a schema can be provided as the schema of the returned
:class:`DataFrame` and
+ created external table.
+
+ :return: :class:`DataFrame`
+ """
+ warnings.warn(
+ "createExternalTable is deprecated since Spark 2.2, please use
createTable instead.",
+ DeprecationWarning)
+ return self.createTable(tableName, path, source, schema, **options)
--- End diff --
Yeah. Got it. I also manually tried it in `pyspark`. It works fine.
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