Skip to content

ARROW-2366: [Python][C++][Parquet] Add test to ensure support reading Parquet files having a permutation of column order #11561

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
AlenkaF wants to merge 1 commit into from
Closed

ARROW-2366: [Python][C++][Parquet] Add test to ensure support reading Parquet files having a permutation of column order #11561

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 19 additions & 0 deletions python/pyarrow/tests/parquet/test_basic.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -629,3 +629,22 @@ def test_reads_over_batch(tempdir):
pq.write_table(table, path)
table2 = pq.read_table(path)
assert table == table2


def test_permutation_of_column_order(tempdir):
# ARROW-2366
case = tempdir / "dataset_column_order_permutation"
case.mkdir(exist_ok=True)

data1 = pa.table([[1, 2, 3], [.1, .2, .3]], names=['a', 'b'])
pq.write_table(data1, case / "data1.parquet")

data2 = pa.table([[.4, .5, .6], [4, 5, 6]], names=['b', 'a'])
pq.write_table(data2, case / "data2.parquet")

table = pq.read_table(str(case))
table2 = pa.table([[1, 2, 3, 4, 5, 6],
[0.1, 0.2, 0.3, 0.4, 0.5, 0.6]],
names=['a', 'b'])

assert table == table2