icexelloss commented on a change in pull request #22305:
[SPARK-24561][SQL][Python] User-defined window aggregation functions with
Pandas UDF (bounded window)
URL: https://github.com/apache/spark/pull/22305#discussion_r241445540
##########
File path: python/pyspark/worker.py
##########
@@ -238,7 +284,8 @@ def read_udfs(pickleSer, infile, eval_type):
# In the special case of a single UDF this will return a single result
rather
# than a tuple of results; this is the format that the JVM side
expects.
for i in range(num_udfs):
- arg_offsets, udf = read_single_udf(pickleSer, infile, eval_type,
runner_conf)
+ arg_offsets, udf = read_single_udf(
+ pickleSer, infile, eval_type, runner_conf, udf_index=i)
Review comment:
If I understand you correctly, do you mean that we maintain a mutable list
of the remaining `window_bound_type` and pass that to the `read_single_udf`
function instead of using the `udf_index`?
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