kszucs commented on a change in pull request #7783:
URL: https://github.com/apache/arrow/pull/7783#discussion_r455723033
##########
File path: python/pyarrow/tests/test_compute.py
##########
@@ -284,6 +284,66 @@ def test_take_indices_types():
arr.take(indices)
+def test_take_on_chunked_array():
+ # ARROW-9504
+ arr = pa.chunked_array([
+ [
+ "m",
+ "J",
+ "q",
+ "k",
+ "t"
+ ],
+ [
+ "m",
+ "J",
+ "q",
+ "k",
+ "t"
+ ]
+ ])
+
+ indices = np.array([0, 5, 1, 6, 2, 7, 3, 8, 4, 9])
+ result = arr.take(indices)
+ expected = pa.chunked_array([
+ "m",
+ "m",
+ "J",
+ "J",
+ "q",
+ "q",
+ "k",
+ "k",
+ "t"
+ "t"
+ ])
Review comment:
To use a chunked array as indices because the number of output chunks
depends on it.
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