Rename columns(重命名列(Rename columns))¶
Supported in: Batch, Faster, Streaming
Renames a set of columns.
Transform categories: Data preparation, Popular
Declared arguments¶
- Input dataset: Source dataset containing columns to be renamed.
Table - Renames: Renames from existing column names to new names.
List\, Literal\\ >>
Examples¶
Example 1: Base case¶
Argument values:
- Input dataset: ri.foundry.main.dataset.a
- Renames: [(
recently_serviced, does_not_require_service)]
Input:
| recently_serviced | tail_number | airline_code |
|---|---|---|
| true | KK-150 | KK |
| false | XB-120 | XB |
| true | MT-190 | MT |
Output:
| does_not_require_service | tail_number | airline_code |
|---|---|---|
| true | KK-150 | KK |
| false | XB-120 | XB |
| true | MT-190 | MT |
中文翻译¶
重命名列(Rename columns)¶
支持:批处理(Batch)、快速处理(Faster)、流处理(Streaming)
重命名一组列。
转换类别:数据准备、常用
声明的参数¶
- 输入数据集(Input dataset): 包含待重命名列的源数据集。
表(Table) - 重命名映射(Renames): 将现有列名映射为新名称。
列表\<元组\<列\<任意类型>, 字符串字面量>>
示例¶
示例1:基础案例¶
参数值:
- 输入数据集: ri.foundry.main.dataset.a
- 重命名映射: [(
recently_serviced, does_not_require_service)]
输入:
| recently_serviced | tail_number | airline_code |
|---|---|---|
| true | KK-150 | KK |
| false | XB-120 | XB |
| true | MT-190 | MT |
输出:
| does_not_require_service | tail_number | airline_code |
|---|---|---|
| true | KK-150 | KK |
| false | XB-120 | XB |
| true | MT-190 | MT |