| CSVInput | 
 描述如何格式化CSV格式的输入对象 
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| CSVOutput | 
 Describes how CSV-formatted results are formatted. 
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| HeaderValue | 
 A typed header value. 
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| InputSerialization | 
 描述待检索对象的格式 
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| JSONInput | 
 描述如何格式化JSON格式的输入对象 
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| JSONOutput | 
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| Message | 
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| MessageDecoder | 
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| OutputSerialization | 
 Describes how results of the Select job are serialized. 
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| ParquetInput | 
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| Progress | 
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| RequestProgress | 
 是否需要返回查询进度 QueryProgress 信息,如果开启 COS Select 将周期性返回查询进度 
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| SelectObjectContentEvent | 
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| SelectObjectContentEvent.ContinuationEvent | 
 The Continuation Event. 
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| SelectObjectContentEvent.EndEvent | 
 The End Event. 
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| SelectObjectContentEvent.ProgressEvent | 
 The Progress Event. 
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| SelectObjectContentEvent.RecordsEvent | 
 The Record Event. 
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| SelectObjectContentEvent.StatsEvent | 
 The Stats Event. 
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| SelectObjectContentEventUnmarshaller | 
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| SelectObjectContentEventUnmarshaller.ContinuationEventUnmarshaller | 
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| SelectObjectContentEventUnmarshaller.EndEventUnmarshaller | 
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| SelectObjectContentEventUnmarshaller.ProgressEventUnmarshaller | 
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| SelectObjectContentEventUnmarshaller.RecordsEventUnmarshaller | 
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| SelectObjectContentEventUnmarshaller.StatsEventUnmarshaller | 
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| SelectObjectContentEventUnmarshaller.UnknownEventUnmarshaller | 
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| SelectRequest | 
 使用结构化查询语句从指定对象(CSV 格式或者 JSON 格式)中检索内容的请求 
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| Stats | 
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| ValidationUtils | 
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