&res created ARROW-17256:
----------------------------
Summary: Can't call combine_chunks on empty ChunkedArray
Key: ARROW-17256
URL: https://issues.apache.org/jira/browse/ARROW-17256
Project: Apache Arrow
Issue Type: Bug
Components: Python
Environment: pyarrow 8.0.0
python 3.9
Reporter: &res
When calling:
{code:java}
pa.chunked_array([], type=pa.bool_()).combine_chunks(){code}
I get this error:
{code:java}
pyarrow/table.pxi:700: in pyarrow.lib.ChunkedArray.combine_chunks
???
pyarrow/array.pxi:2868: in pyarrow.lib.concat_arrays
???
pyarrow/error.pxi:144: in pyarrow.lib.pyarrow_internal_check_status
???
pyarrow/error.pxi:100: in pyarrow.lib.check_status
???
E pyarrow.lib.ArrowInvalid: Must pass at least one array{code}
While this works:
{code:java}
pa.chunked_array([pa.array([], pa.bool_())], type=pa.bool_()) {code}
In the first case, it should return an empty BoolArray as well.
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