KnowForgeBolt Backend Aggregate Function Support
qianmoQ· 更新于 2026-10-02· 阅读 6 分钟· 0 次阅读登录后可跨设备保存划线和私人笔记登录
Aggregate Functions Support Status in Bolt
Out of 62 aggregate functions in Spark 3.5, Gluten currently fully supports 54 functions and partially supports 1 function for Bolt backend.
Aggregate Functions
| Spark Functions | Spark Expressions | Status | Restrictions |
|---|---|---|---|
| any | BoolOr | S | |
| any_value | AnyValue | S | |
| approx_count_distinct | HyperLogLogPlusPlus | S | Only supported when the data type of the child expression is one of Boolean, Byte, Short, Int, Long, Float, Double, String, Char, Decimal, Date, Timestamp, or Binary. |
| approx_percentile | ApproximatePercentile | S | |
| array_agg | CollectList | S | |
| avg | Average | S | |
| bit_and | BitAndAgg | S | |
| bit_or | BitOrAgg | S | |
| bit_xor | BitXorAgg | S | |
| bitmap_construct_agg | BitmapConstructAgg | ||
| bitmap_or_agg | BitmapOrAgg | ||
| bool_and | BoolAnd | S | |
| bool_or | BoolOr | S | |
| collect_list | CollectList | S | |
| collect_set | CollectSet | S | |
| corr | Corr | S | |
| count | Count | S | |
| count_if | CountIf | S | |
| count_min_sketch | CountMinSketchAggExpressionBuilder | ||
| covar_pop | CovPopulation | S | |
| covar_samp | CovSample | S | |
| every | BoolAnd | S | |
| first | First | S | |
| first_value | First | S | |
| grouping | Grouping | S | |
| grouping_id | GroupingID | S | |
| histogram_numeric | HistogramNumeric | ||
| hll_sketch_agg | HllSketchAgg | ||
| hll_union_agg | HllUnionAgg | ||
| kurtosis | Kurtosis | S | |
| last | Last | S | |
| last_value | Last | S | |
| max | Max | S | |
| max_by | MaxBy | S | |
| mean | Average | S | |
| median | Median | S | |
| min | Min | S | |
| min_by | MinBy | S | |
| mode | Mode | ||
| percentile | Percentile | S | |
| percentile_approx | ApproximatePercentile | S | |
| regr_avgx | RegrAvgX | S | |
| regr_avgy | RegrAvgY | S | |
| regr_count | RegrCount | S | |
| regr_intercept | RegrIntercept | S | |
| regr_r2 | RegrR2 | S | |
| regr_slope | RegrSlope | S | |
| regr_sxx | RegrSXX | S | |
| regr_sxy | RegrSXY | S | |
| regr_syy | RegrSYY | S | |
| skewness | Skewness | S | |
| some | BoolOr | S | |
| std | StddevSamp | S | |
| stddev | StddevSamp | S | |
| stddev_pop | StddevPop | S | |
| stddev_samp | StddevSamp | S | |
| sum | Sum | S | |
| try_avg | TryAverageExpressionBuilder | S | |
| try_sum | TrySumExpressionBuilder | PS | Partially supported. Behavior may differ from vanilla Spark for some cases. |
| var_pop | VariancePop | S | |
| var_samp | VarianceSamp | S | |
| variance | VarianceSamp | S |
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