ALTER TRIGGER — change the definition of a trigger
table_nameDEPENDS ON EXTENSION
ALTER TRIGGER changes properties of
an existing trigger. The
changes the name of the given trigger without otherwise changing
the trigger definition. The
EXTENSION clause marks the trigger as dependent on an
extension, such that if the extension is dropped, the trigger will
automatically be dropped as well.
You must own the table on which the trigger acts to be allowed to change its properties.
The name of an existing trigger to alter.
The name of the table on which this trigger acts.
The new name for the trigger.
The name of the extension that the trigger is to depend on.
The ability to temporarily enable or disable a trigger is
provided by ALTER TABLE,
ALTER TRIGGER, because
ALTER TRIGGER has no convenient way to
express the option of enabling or disabling all of a table's
triggers at once.
To rename an existing trigger:
ALTER TRIGGER emp_stamp ON emp RENAME TO emp_track_chgs;
To mark a trigger as being dependent on an extension:
ALTER TRIGGER emp_stamp ON emp DEPENDS ON EXTENSION emplib;
ALTER TRIGGER is a PostgreSQL extension of the SQL standard.
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