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[python] Fix Parquet VARIANT reads with multi-chunk nested data #8848

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Merged
JingsongLi merged 3 commits into from
Jul 26, 2026
+785 −76
Merged

[python] Fix Parquet VARIANT reads with multi-chunk nested data #8848

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d4f63ae
[python] Read VARIANT Parquet in bounded batches
littlecoder04 Jul 24, 2026
705a6f3
[python] Test VARIANT projection order
XiaoHongbo-Hope Jul 25, 2026
685f410
[python] Fix dotted and nested VARIANT projections
XiaoHongbo-Hope Jul 25, 2026
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2 changes: 1 addition & 1 deletion paimon-python/pypaimon/data/variant_shredding.py
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Original file line number Diff line number Diff line change
Expand Up @@ -182,7 +182,7 @@ def _parse_typed_value_field(schema: VariantSchema, tv_type: pa.DataType) -> Var
if pa.types.is_struct(tv_type):
object_fields: List[ObjectField] = []
for j in range(tv_type.num_fields):
sub_f = tv_type.field(j)
sub_f = tv_type[j]
if pa.types.is_struct(sub_f.type):
sub_schema = build_variant_schema(sub_f.type)
else:
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