DROP AGGREGATE — remove an aggregate function
DROP AGGREGATEname(type) [ CASCADE | RESTRICT ]
DROP AGGREGATE will delete an existing
aggregate function. To execute this command the current
user must be the owner of the aggregate function.
nameThe name (optionally schema-qualified) of an existing aggregate function.
type The argument data type of the aggregate function, or
* if the function accepts any data type.
CASCADEAutomatically drop objects that depend on the aggregate function.
RESTRICTRefuse to drop the aggregate function if any objects depend on it. This is the default.