Class ColumnStatistics
java.lang.Object
io.trino.spi.statistics.ColumnStatistics
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic final classIf one of the estimates below is unspecified (i.e. left as "unknown"), the optimizer may not be able to derive the statistics needed for performing cost-based query plan optimizations. -
Constructor Summary
ConstructorsConstructorDescriptionColumnStatistics(Estimate nullsFraction, Estimate distinctValuesCount, Estimate dataSize, Optional<DoubleRange> range) -
Method Summary
Modifier and TypeMethodDescriptionstatic ColumnStatistics.Builderbuilder()static ColumnStatisticsempty()booleangetRange()inthashCode()toString()
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Constructor Details
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ColumnStatistics
public ColumnStatistics(Estimate nullsFraction, Estimate distinctValuesCount, Estimate dataSize, Optional<DoubleRange> range)
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Method Details
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empty
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getNullsFraction
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getDistinctValuesCount
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getDataSize
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getRange
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equals
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hashCode
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toString
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builder
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