为了测试查询的性能，您需要输入以下命令。

To test the performance of queries taking time, enter the following command.

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现在，让我们来编写一个执行测试查询的简单应用程序(请参见清单2)。

So, let's write a simple app to perform a test query (see Listing 2).

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一个新的查询测试按钮允许您直接从编辑器中测试查询，而不必首先部署项目。

A new query test button enables you to test your query right from the editor, without having to first deploy the project.

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