felipecrv commented on code in PR #15083:
URL: https://github.com/apache/arrow/pull/15083#discussion_r1082577383
##########
python/pyarrow/table.pxi:
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@@ -5358,36 +5358,45 @@ list[tuple(str, str, FunctionOptions)]
----
values_sum: [[3,7,5]]
keys: [["a","b","c"]]
+ >>> t.group_by("keys").aggregate([([], "count_all")])
+ pyarrow.Table
+ _count_all: int64
+ keys: string
+ ----
+ _count_all: [[2,2,1]]
+ keys: [["a","b","c"]]
>>> t.group_by("keys").aggregate([])
pyarrow.Table
keys: string
----
keys: [["a","b","c"]]
"""
- columns = [a[0] for a in aggregations]
+ target_cols = [a[0] if isinstance(a[0], (list, tuple)) else [
+ a[0]] for a in aggregations]
Review Comment:
I collapsed the conversions and now they look like your snipped.
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