drop_aggregate7l
Remove a user-defined aggregate function
Usage
DROP AGGREGATE name ( type )
Inputs
- name
-
The name of an existing aggregate function.
- type
-
The input data type of an existing aggregate function, or * if the function accepts any input type. (Refer to the PostgreSQL User's Guide for further information about data types.) [Comment: This should become a cross-reference rather than a hard-coded chapter number]
Outputs
- DROP
-
Message returned if the command is successful.
- ERROR: RemoveAggregate: aggregate 'name' for type type does not exist
-
This message occurs if the aggregate function specified does not exist in the database.
Overview
DROP AGGREGATE will remove all references to an existing aggregate definition. To execute this command the current user must be the owner of the aggregate.
Notes
Use CREATE AGGREGATE [create_aggregate(l)] to create aggregate functions.
Usage
To remove the myavg aggregate for type int4:
DROP AGGREGATE myavg(int4);
Compatibility
SQL92
There is no DROP AGGREGATE statement in SQL92; the statement is a PostgreSQL language extension.
Releases
6 releases since Debian 1.2 (Rex); the text changed 4 times.