Description of Supported Aggregation Functions
Last updated: 2025-10-21 18:13:11
Currently, the read-only analysis engine supports most of MySQL's aggregation functions, but there are still limitations and incompatibilities in certain scenarios. This document introduces the list of supported aggregation functions in the read-only analysis engine, and enumerates type restrictions on input parameters. Input parameters and functions not mentioned in the document are not supported.
Supported Aggregation Function Types
count Function
Count the number of rows.
Syntax:
count(val)
Supported value types for val: int, bigint, double, decimal, varchar, and char.sum Function
Sum the values.
Syntax:
sum(val)
Supported value types for val: int, bigint, double, decimal, varchar, and char.avg Function
Calculate the average.
Syntax:
avg(val)
Supported value types for val: int, bigint, double, decimal, varchar, and char.max Function
Obtain the maximum value.
Syntax:
max(val)Supported value types for val: int, bigint, double, decimal, varchar, char, time, date, datetime, and timestamp.
greatest Function
Obtain the maximum value from multiple columns.
Syntax:
greatest(val1,val2,...)Supported value types for val: int, bigint, double, decimal, varchar, char, time, date, datetime, and timestamp.
min Function
Obtain the minimum value.
Syntax:
min(val)
Supported value types for val: int, bigint, double, decimal, varchar, and char.group_concat Function
Combine the values of multiple identical fields in a group into one string.
Syntax:
group_concat(val)
Supported value types for val: int, bigint, double, decimal, varchar, and char.any_value(arg) Function
Return any value in a group.
Syntax:
any_value(val)
Supported value types for val: int, bigint, double, decimal, varchar, and char.Was this page helpful?
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