Whenever possible, combine all these actions into a single display to limit the amount of visual change the user sees on-screen during a search.
只要有可能，就应将所有这些操作组合在一起显示，以限制用户在搜索期间看到的可视内容变化量。
Whenever your connector encounters an invalid literal in a search, it should throw an exception informing the user that this particular value cannot be searched on.
当连接器在搜索中遇到无效文字时，它应该抛出异常，通知用户不能搜索这个值。
To speed this up, you can cache the results from a search query and use these cached results whenever a user submits a query.
为了提速，您可以高速缓存从搜索查询得到的结果，然后在用户每次提交查询时使用这些缓存的结果。
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