public class CompressedSizeInfoColGroup extends Object
| Constructor and Description | 
|---|
| CompressedSizeInfoColGroup(EstimationFactors fact,
                          Set<ColGroup.CompressionType> validCompressionTypes) | 
| Modifier and Type | Method and Description | 
|---|---|
| Map<ColGroup.CompressionType,Long> | getAllCompressionSizes() | 
| ColGroup.CompressionType | getBestCompressionType() | 
| long | getCompressionSize(ColGroup.CompressionType ct) | 
| int | getEstCard()Note cardinality is the same as number of distinct values. | 
| int | getEstNnz()Number of offsets, or number of non zero values. | 
| long | getMinSize() | 
public CompressedSizeInfoColGroup(EstimationFactors fact, Set<ColGroup.CompressionType> validCompressionTypes)
public long getCompressionSize(ColGroup.CompressionType ct)
public ColGroup.CompressionType getBestCompressionType()
public Map<ColGroup.CompressionType,Long> getAllCompressionSizes()
public long getMinSize()
public int getEstCard()
public int getEstNnz()
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