Index Index for
Section AGGREGATE
Index Alphabetical
listing for D
Bottom of page Bottom of
page

DROP

NAME

DROP AGGREGATE - remove a user-defined aggregate function

SYNOPSIS

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.

DESCRIPTION

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(5)] 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.

Index Index for
Section AGGREGATE
Index Alphabetical
listing for D
Top of page Top of
page