For example, if the composer step needs to write a list that is the join of two other lists, the user first needs to add a join step before the composer step, then perform the mappings.

例如，如果编写器步骤需要编写一个由另外两个列表联接而来的列表，用户首先需要在编写器步骤之前添加一个联接步骤，然后执行映射。

youdao

Configure the H-Join to use in-memory algorithm - in the H-Join Step, after defining the parent and child lists, there is an option to select the algorithm that should be used.

配置H -Join以使用内存中算法—在H - Join Step中，定义父列表和子列表后，有一个选项来选择应使用的算法。

youdao

Configure the H-Join to use in-memory algorithm - in the H-Join Step, after defining the parent and child lists, there is an option to select the algorithm that should be used.

配置H -Join以使用内存中算法—在H - Join Step中，定义父列表和子列表后，有一个选项来选择应使用的算法。

youdao