Yikun commented on a change in pull request #32431:
URL: https://github.com/apache/spark/pull/32431#discussion_r805231319
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File path: python/pyspark/sql/dataframe.py
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@@ -2911,6 +2911,41 @@ def freqItems(
support = 0.01
return DataFrame(self._jdf.stat().freqItems(_to_seq(self._sc, cols),
support), self.sql_ctx)
+ def withColumns(self, *colsMap: Dict[str, Column]) -> "DataFrame":
+ """
+ Returns a new :class:`DataFrame` by adding multiple columns or
replacing the
+ existing columns that has the same names.
+
+ The colsMap is a map of column name and column, the column must only
refer to attributes
+ supplied by this Dataset. It is an error to add columns that refer to
some other Dataset.
Review comment:
Sure, will add a note on `Parameters` section for `colsMap`:
```
Currently, only single map is supported.
```
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