HuaHuaY commented on code in PR #54691:
URL: https://github.com/apache/arrow/pull/54691#discussion_r4441986683
##########
python/pyarrow/tests/test_dataset.py:
##########
@@ -3567,6 +3568,29 @@ def test_csv_format_options_generate_columns(tempdir,
dataset_reader):
'f3': pa.array([1])}))
+def test_csv_format_pad_short_rows(tempdir, dataset_reader):
+ path = str(tempdir / 'short.csv')
+ with open(path, 'w') as sink:
+ sink.write('a,b,c\n1,2,3\n4,5\n6\n')
+
+ # Default format fails on short rows
+ dataset_default = ds.dataset(path, format='csv')
+ with pytest.raises(pa.ArrowInvalid, match="Expected 3 columns, got 2:
4,5"):
+ dataset_reader.to_table(dataset_default)
Review Comment:
Can you fix this issue? It seems that many CI tests fail here.
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