xinrong-databricks commented on code in PR #36246:
URL: https://github.com/apache/spark/pull/36246#discussion_r856421332
##########
python/pyspark/pandas/series.py:
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@@ -2209,15 +2219,43 @@ def _interpolate(
) * null_index_forward + last_non_null_forward
fill_cond = ~F.isnull(last_non_null_backward) &
~F.isnull(last_non_null_forward)
- pad_cond = F.isnull(last_non_null_backward) &
~F.isnull(last_non_null_forward)
- if limit is not None:
- fill_cond = fill_cond & (null_index_forward <= F.lit(limit))
- pad_cond = pad_cond & (null_index_forward <= F.lit(limit))
+
+ pad_head = SF.lit(None)
Review Comment:
Looks great, thanks!
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