聚合函数列表

标准聚合函数:

• count
• min
• max
• sum
• avg
• any
• stddevPop
• stddevSamp
• varPop
• varSamp
• covarPop
• covarSamp

ClickHouse 特有的聚合函数:

• anyHeavy
• anyLast
• argMin
• argMax
• avgWeighted
• topK
• topKWeighted
• groupArray
• groupUniqArray
• groupArrayInsertAt
• groupArrayMovingAvg
• groupArrayMovingSum
• groupBitAnd
• groupBitOr
• groupBitXor
• groupBitmap
• groupBitmapAnd
• groupBitmapOr
• groupBitmapXor
• sumWithOverflow
• sumMap
• minMap
• maxMap
• skewSamp
• skewPop
• kurtSamp
• kurtPop
• uniq
• uniqExact
• uniqCombined
• uniqCombined64
• uniqHLL12
• quantile
• quantiles
• quantileExact
• quantileExactLow
• quantileExactHigh
• quantileExactWeighted
• quantileTiming
• quantileTimingWeighted
• quantileDeterministic
• quantileTDigest
• quantileTDigestWeighted
• simpleLinearRegression
• stochasticLinearRegression
• stochasticLogisticRegression
• categoricalInformationValue