Aggregator Functions
Aggregators are functions that group values of multiple rows into a single summary value. They are equivalent to aggregation functions that SQL supports (SUM, COUNT, AVG, MAX, MIN,...).
count
count(field)
Description
Counts the total number of items in a group, not including NULL values.
Return type
Whole Number
Example
count(orders.id)
count_distinct
count_distinct(field)
Description
Counts the total number of distinct items in a group, not including NULL values.
Return type
Whole Number
Example
count_distinct(orders.id)
average
average(field)
Description
Averages the values of items in a group, not including NULL values.
Return type
Vary
Example
average(orders.id)
min
min(field)
Description
Computes the item in the group with the smallest numeric value.
Return type
Vary
Example
min(order_item.quantity)
max
max(field)
Description
Computes the item in the group with the largest numeric value.
Return type
Vary
Example
max(order_item.quantity)
sum
sum(field)
Description
Sums the total number of items in a group, not including NULL values.
Return type
Number
Example
sum(order_item.quantity)
median
median(field)
Description
Computes the median of an expression, which is the value that the values in the expression are below 50% of the time.
Return type
Number
Example
median(order_item.quantity)
stdev
stdev(field)
Description
Returns the standard deviation (sample) of the column created by expression unless expression defines a column of lists, in which case returns the standard deviation (sample) of each list. .
Return type
Number
stdevp
stdevp(field)
Description
Returns the standard deviation (population) of the column created by expression unless expression defines a column of lists, in which case returns the standard deviation (population) of each list.
Return type
Number
var
var(field)
Description
Returns the variance (sample) of the column created by expression unless expression defines a column of lists, in which case returns the variance (sample) of each list.
Return type
Number
varp
varp(field)
Description
Returns the variance (population) of the column created by expression unless expression defines a column of lists, in which case returns the variance (population) of each list.
Return type
Number