zhengruifeng commented on code in PR #39461:
URL: https://github.com/apache/spark/pull/39461#discussion_r1064359982
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python/pyspark/sql/connect/dataframe.py:
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@@ -1147,18 +1147,28 @@ def collect(self) -> List[Row]:
table = self._session.client.to_table(query)
rows: List[Row] = []
- for row in table.to_pylist():
- _dict: Dict[Any, Any] = {}
- for k, v in row.items():
+ i = 0
+ while i < table.num_rows:
+ keys: List[Any] = []
+ values: List[Any] = []
+ j = 0
+ while j < table.num_columns:
+ k = table.column_names[j]
+ v = table.column(j).to_pylist()[i]
Review Comment:
~~is it possible that `table.column(j).to_pylist()` also have this issue?~~
~~`table.column(j)` could also be a struct type~~
ignore this comment, nested datatype had not been supported so far.
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