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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/01/13 01:50:00 UTC
[jira] [Updated] (ARROW-11232) Table::CombineChunks() returns
incorrect results if Table has no column
[ https://issues.apache.org/jira/browse/ARROW-11232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-11232:
-----------------------------------
Labels: pull-request-available (was: )
> 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
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> >>> 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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