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PostgreSQL 8.0.24 Documentation
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ALTER AGGREGATE

Name

ALTER AGGREGATE -- change the definition of an aggregate function

ALTER AGGREGATE name ( type ) RENAME TO newname
ALTER AGGREGATE name ( type ) OWNER TO newowner

ALTER AGGREGATE changes the definition of an aggregate function.

name: The 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.
newname: The new name of the aggregate function.
newowner: The new owner of the aggregate function. You must be a superuser to change an aggregate's owner.

To rename the aggregate function myavg for type integer to my_average:

ALTER AGGREGATE myavg(integer) RENAME TO my_average;

To change the owner of the aggregate function myavg for type integer to joe:

ALTER AGGREGATE myavg(integer) OWNER TO joe;

There is no ALTER AGGREGATE statement in the SQL standard.

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