public interface ColumnStatistics
| Modifier and Type | Method and Description | 
|---|---|
| long | getBytesOnDisk()Get the number of bytes for this column. | 
| long | getNumberOfValues()Get the number of values in this column. | 
| boolean | hasNull()Returns true if there are nulls in the scope of column statistics. | 
long getNumberOfValues()
boolean hasNull()
long getBytesOnDisk()
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