{ "_id" : "xyz", "totalSaleAmount" : NumberDecimal("150") } { "_id" : "def", "totalSaleAmount" : NumberDecimal("112.5") } This aggregation operation is equivalent to the following SQL statement: SELECT item, Sum(( price * quantity )) AS totalSaleAmount FROM sales GROUP BY item...
Each sublist ofGROUPING SETSmay specify zero or more columns or expressions and is interpreted the same way as though used directly in theGROUP BYclause. An empty grouping set means that all rows are aggregated down to a single group, which is output even if no input rows were present. ...
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Using a GROUP BY that is an output of a SELECT expression AGROUP BYkey can be the output of aSELECTexpression, as long as that expression itself does not contain an aggregation function. For example, the following syntax is a correct usage ofGROUP BY: SELECT COALESCE(Person, 'Unknown Perso...
When all the groupings that are generated by using a full ROLLUP or CUBE operator are not required, you can use GROUPING SETS to specify only the groupings that you want. The GROUPING SETS list can contain duplicate groupings; and, when GROUPING SETS is used with ROLLUP and CUBE, it ...
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When all the groupings that are generated by using a full ROLLUP or CUBE operator are not required, you can use GROUPING SETS to specify only the groupings that you want. The GROUPING SETS list can contain duplicate groupings; and, when GROUPING SETS is used with ROLLUP and CUBE, it ...
If you group results by a managed attribute, you can specify a hierarchy depth at which to group, using the syntax: GROUP BY ManagedAttr:<level> For example, the Region attribute contains the hierarchy Country, State, and City. To group the results at the State level (one level below the...
There are four distinct values in thecust_nbrcolumn. Therefore,COUNT(DISTINCT cust_nbr)returns 4, whereasCOUNT(cust_nbr)andCOUNT(ALL cust_nbr)both return 20. ALL is the default, which means that if you don’t specify either DISTINCT or ALL before the expression argument in an aggregate func...
metricFunc {string}: Optional - If name is a numeric fields, specify aggregation function to use for the sorting operation. Valid values: avg, min, max, sum, distinct_count, last_value, calc dir {string}: The direction of the sorting operation. Valid values: asc, desc Example: const gr...