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DROP AGGREGATESQL - Language Statements (2002-11DROP AGGREGATE(l)
NAME
DROP AGGREGATE - remove a user-defined aggregate function
SYNOPSIS
DROP AGGREGATE name ( type ) [ CASCADE | RESTRICT ]
INPUTS
name The name (optionally schema-qualified) of an existing
aggregate function.
type The input data type of the 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]
CASCADE
Automatically drop objects that depend on the
aggregate.
RESTRICT
Refuse to drop the aggregate if there are any dependent
objects. This is the default.
OUTPUTS
DROP AGGREGATE
Message returned if the command is successful.
exist
ERROR: RemoveAggregate: aggregate 'name' for type type does not
This message occurs if the aggregate function specified
does not exist in the database.
DESCRIPTION
DROP AGGREGATE will delete 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
Page 1 (printed 3/24/03)
DROP AGGREGATESQL - Language Statements (2002-11DROP AGGREGATE(l)
SQL92
There is no DROP AGGREGATE statement in SQL92; the statement
is a PostgreSQL language extension.
Page 2 (printed 3/24/03)
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