Method chaining USES return values from methods to relay instruction context, which in this case is the object instance making the first method invocation.
方法链接使用方法的返回值来中转指令上下文，在这种情况下是进行第一个方法调用的对象实例。
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As it happens, there are several distinct possibilities. For my team, however, the quickest way to resolve the question and return developers to their daily work is to interpose SQL Relay.