Narrow union by name(按名称窄联合(Narrow union by name))¶
Supported in: Batch, Faster
Unions a set of datasets together on the intersection of their column names, columns that are not present in all input datasets are removed.
Transform categories: Join
Declared arguments¶
- Datasets to union: The datasets being unioned together.
List\Examples¶
Example 1: Base case¶
Argument values:
- Datasets to union: [ri.foundry.main.dataset.a, ri.foundry.main.dataset.b]
Inputs:
ri.foundry.main.dataset.a
recently_serviced tail_number true KK-150 false XB-120 true MT-190 ri.foundry.main.dataset.b
recently_serviced tail_number airline_code true AA-200 AA true BN-435 BN true BN-111 BN Output:
recently_serviced tail_number true KK-150 false XB-120 true MT-190 true AA-200 true BN-435 true BN-111
中文翻译¶
按名称窄联合(Narrow union by name)¶
支持:批处理(Batch)、快速(Faster)
将多个数据集按其列名的交集进行联合,未在所有输入数据集中出现的列将被移除。
转换类别:连接(Join)
声明参数¶
- 要联合的数据集: 需要联合在一起的数据集。
列表\<表>
示例¶
示例 1:基础情况¶
参数值:
- 要联合的数据集: [ri.foundry.main.dataset.a, ri.foundry.main.dataset.b]
输入:
ri.foundry.main.dataset.a
recently_serviced tail_number true KK-150 false XB-120 true MT-190 ri.foundry.main.dataset.b
recently_serviced tail_number airline_code true AA-200 AA true BN-435 BN true BN-111 BN 输出:
recently_serviced tail_number true KK-150 false XB-120 true MT-190 true AA-200 true BN-435 true BN-111