ALTER TABLE
ALTER TRIGGER
Name
ALTER TRIGGER
-- change the definition of a trigger
Synopsis
ALTER TRIGGER trigger ON table
RENAME TO newname
Inputs
- trigger
The name of an existing trigger to alter.
- table
The name of the table on which this trigger acts.
- newname
New name for the existing trigger.
Outputs
- ALTER TRIGGER
Message returned from trigger renaming.
- ERROR
Message returned if trigger is not available, or new name is a duplicate of another existing trigger on the table.
Description
ALTER TRIGGER changes the definition of an existing trigger.
The RENAME clause causes the name of a trigger on the given table
to change without otherwise changing the trigger definition.
You must own the table on which the trigger acts in order to change its properties.
Notes
Refer to CREATE TRIGGER for a further description
of valid arguments.
Usage
To rename an existing trigger:
ALTER TRIGGER emp_stamp ON emp RENAME TO emp_track_chgs;
Compatibility
SQL92
The clause to rename triggers is a
PostgreSQL extension from SQL92.
