Expression

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Aggregate Functions

Introduction Reference

count min max sum avg any stddevPop stddevSamp varPop(x) varSamp covarPop covarSamp anyHeavy anyLast argMin argMax avgWeighted corr topK topKWeighted groupArray groupUniqArray groupArrayInsertAt groupArrayMovingSum groupArrayMovingAvg groupArraySample groupBitAnd groupBitOr groupBitXor groupBitmap groupBitmapAnd groupBitmapOr groupBitmapXor sumWithOverflow deltaSum deltaSumTimestamp sumMap minMap maxMap sumCount rankCorr sumKahan intervalLengthSum skewPop skewSamp kurtPop kurtSamp uniq uniqExact uniqCombined uniqCombined64 uniqHLL12 uniqTheta quantile quantiles Functions quantileExact Functions quantileExactWeighted quantileTiming quantileTimingWeighted quantileDeterministic quantileTDigest quantileTDigestWeighted quantileBFloat16 median simpleLinearRegression stochasticLinearRegression stochasticLogisticRegression categoricalInformationValue studentTTest welchTTest mannWhitneyUTest

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Expression Set Nothing Interval

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SQL Reference
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Special Data Types

Expression

Expressions are used for representing lambdas in high-order functions.

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