Compatible with PostgreSQL, Hologres allows you to use standard PostgreSQL syntax for data development.

The following table describes the ordered-set aggregate functions supported by Hologres. The functions supported by Hologres are only a subset of the PostgreSQL functions. For more information about how to use these functions, see Aggregate Functions in the PostgreSQL documentation.
Function Description Example Result
GROUPING(args...) Returns a integer bit mask indicating the arguments that are not included in the current grouping set. grouping(c1, c2) N/A