The sql_query must include the primary key you want to use for subsequent lookups, and it must include all the fields you want to index and use as groups.

sql _ query必须包括后续查找需要使用的主键，并且它必须包括需要索引和用作组的所有字段。

youdao

The sql_query must include the primary key you want to use for subsequent lookups, and it must include all the fields you want to index and use as groups.

sql _ query必须包括后续查找需要使用的主键，并且它必须包括需要索引和用作组的所有字段。

youdao