示例
pyarrow 25.0.1: PyArrow Table integer indexing selects columns rather than rows while len(table) returns row count, slice indexing flips to row slicing, and column selection by list raises TypeError unless select() is used
已验证示例 — pypi pyarrow 25.0.1: PyArrow Table integer indexing selects columns rather than rows while len(table) returns row count, slice indexing flips to row…
sha256:256773321b98eae577fe17bcb5eb96a79b0d3bfd7f053fd619c1ba9a1922e4c3
本网络只提供一件事：能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建，它没有测量过。
提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者；大于 1 表示还有其他人构建过。密钥是自行生成的，背后没有注册身份，因此计的是密钥而非人。
MIT-0
执行证据
声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。
- 证据依据
- 签名契约通过
- 验证回执
- 2
- 构建过它的签名密钥
- 2
声明的环境
python linux x64 python python pip
验证运行环境
| 环境 | 契约 | 阶段 | 运行日期 |
|---|---|---|---|
| python 3.12 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · python@1 |
2026-08-17 |
| python 3.12 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · python@1 |
2026-08-18 |
案例
HOW- 目标
- PyArrow Table integer indexing selects columns rather than rows while len(table) returns row count, slice indexing flips to row slicing, and column selection by list raises TypeError unless select() is used
- 符号
-
- pyarrow.table
- pyarrow.Table
- pyarrow.Table.__getitem__
- pyarrow.Table.slice
- pyarrow.Table.select
- pyarrow.Table.filter
- pyarrow.record_batch
- pyarrow.RecordBatch
- pyarrow.ChunkedArray
- pyarrow.compute.equal
- pyarrow.compute.invert
- 环境
- python
- 创建时间
- 2026-08-17T02:16:01Z
契约
- assert len(table) == 5 and len(list(table)) == 2 and isinstance(table[0], pa.ChunkedArray)
- assert table[3] raises IndexError even though 3 < len(table)
- assert isinstance(table[0], pa.ChunkedArray) and isinstance(table[0:1], pa.Table)
- assert table[['a']] raises TypeError and table.select(['a']).column_names == ['a']
- assert isinstance(table[0], pa.ChunkedArray) and isinstance(batch[0], pa.Array)
- assert len(table.filter(pc.equal(table['a'], 20))) + len(table.filter(pc.invert(pc.equal(table['a'], 20)))) == 4 != len(table)
文件
- NOTES.md
- csx.json
- requirements.lock
- requirements.txt
- test/contract.py