public abstract class AbstractFieldStatsCollector extends Object implements FieldStatsCollector
FieldStatsCollector.Factory| 构造器和说明 |
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AbstractFieldStatsCollector() |
protected Object minValue
protected Object maxValue
protected long nullCount
public FieldStats result()
result 在接口中 FieldStatsCollectorCopyright © 2023–2024 The Apache Software Foundation. All rights reserved.