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Support JSON lines with missing struct fields #7160

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merged 2 commits into from
Sep 23, 2024
Merged

Support JSON lines with missing struct fields #7160

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c81e495
Test cast_array_to_features with struct with missing fields
albertvillanova Sep 23, 2024
d0a289b
Support cast_array_to_features with struct with missing fields
albertvillanova Sep 23, 2024
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Test cast_array_to_features with struct with missing fields
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@albertvillanova
albertvillanova committed Sep 23, 2024
commit c81e495e5dfe51bd4f2e50b6be26e68ec3cb211c
8 changes: 8 additions & 0 deletions tests/test_table.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1142,6 +1142,14 @@ def test_cast_decimal_array_to_features():
cast_array_to_feature(arr, Sequence(Value("string")), allow_decimal_to_str=False)


def test_cast_array_to_features_with_struct_with_missing_fields():
arr = pa.array([{"age": 25}, {"age": 63}])
feature = {"age": Value("int32"), "name": Value("string")}
cast_array = cast_array_to_feature(arr, feature)
assert cast_array.type == pa.struct({"age": pa.int32(), "name": pa.string()})
assert cast_array.to_pylist() == [{"age": 25, "name": None}, {"age": 63, "name": None}]


def test_cast_array_to_features_nested():
arr = pa.array([[{"foo": [0]}]])
assert cast_array_to_feature(arr, [{"foo": Sequence(Value("string"))}]).type == pa.list_(
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