For each column in the partitioning key of the joined tables, an equijoin predicate must exist.

对于被合并的表的分区键内的每列，必须存在一个同等连接的谓语。

youdao

For each column in the partitioning key of the joined tables, an equijoin predicate must exist.

对于被合并的表的分区键内的每列，必须存在一个同等连接的谓语。

youdao