Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/20475#discussion_r165369607
--- Diff: python/pyspark/ml/image.py ---
@@ -75,6 +76,23 @@ def ocvTypes(self):
self._ocvTypes =
dict(ctx._jvm.org.apache.spark.ml.image.ImageSchema.javaOcvTypes())
return self._ocvTypes
+ @property
+ def columnSchema(self):
+ """
+ Returns the schema for the image column.
+
+ :return: a :class:`StructType` for image column,
+ ``struct<origin:string, height:int, width:int, nChannels:int,
mode:int, data:binary>``.
+
+ .. versionadded:: 2.3.0
--- End diff --
I am fine with 2.4.0. Let me know.
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