ALTER TRIGGER — change the definition of a trigger
ALTER TRIGGERnameONtable_nameRENAME TOnew_nameALTER TRIGGERnameONtable_nameDEPENDS ON EXTENSIONextension_name
ALTER TRIGGER changes
properties of an existing trigger. The RENAME clause changes the name of the given
trigger without otherwise changing the trigger definition. The
DEPENDS ON 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.
nameThe name of an existing trigger to alter.
table_nameThe name of the table on which this trigger acts.
new_nameThe new name for the trigger.
extension_nameThe 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, not by 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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