Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21482#discussion_r197989956
--- Diff: python/pyspark/sql/column.py ---
@@ -514,6 +514,17 @@ def isin(self, *cols):
desc_nulls_first = ignore_unicode_prefix(_unary_op("desc_nulls_first",
_desc_nulls_first_doc))
desc_nulls_last = ignore_unicode_prefix(_unary_op("desc_nulls_last",
_desc_nulls_last_doc))
+ _isInf_doc = """
+ True if the current expression is inf.
+
+ >>> from pyspark.sql import Row
+ >>> df = spark.createDataFrame([
+ Row(name=u'Tom', height=80.0),
+ Row(name=u'Alice', height=float('inf'))
--- End diff --
dots are required as written in
https://github.com/apache/spark/pull/21482#discussion_r197626112
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