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Posted to issues@arrow.apache.org by "Zhuo Peng (Jira)" <ji...@apache.org> on 2021/01/13 01:39:00 UTC
[jira] [Created] (ARROW-11232) Table::CombineChunks() returns
incorrect results if Table has no column
Zhuo Peng created ARROW-11232:
---------------------------------
Summary: Table::CombineChunks() returns incorrect results if Table has no column
Key: ARROW-11232
URL: https://issues.apache.org/jira/browse/ARROW-11232
Project: Apache Arrow
Issue Type: Bug
Affects Versions: 2.0.0
Reporter: Zhuo Peng
Assignee: Zhuo Peng
>>> pa.table([[1]], ["a"])
pyarrow.Table
a: int64
>>> t = pa.table([[1]], ["a"])
>>> t.num_rows
1
>>> t1 = t.drop(["a"])
>>> t1.num_rows
1
>>> t2 = t1.combine_chunks()
>>> t2.num_rows
0
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