Change the WHERE predicate to o.author.name
将 WHERE 的谓词改为 o.author.name = ?
Query 2 applies the join predicate to the authors table.
查询2对authors表应用连接谓词。
This will allow the predicate to be applied to the index.
这使谓词可以用于索引。
You don't want to predicate making complicated gambles under the assumption that they don't exist.
你不会将赌注,押在不可能存在的东西上
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