DROP TRIGGER

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The DROP TRIGGER statement drops a trigger.

Required privileges

To drop a trigger, a user must have the DROP privilege on the trigger.

Parameter	Description
`trigger_name`	The name of the trigger to drop.
`table_name`	The name of the table associated with the trigger.

To follow along, run cockroach demo to start a temporary, in-memory cluster with the movr sample dataset preloaded:

$ cockroach demo

Create a sample trigger function:

CREATE FUNCTION update_timestamp() 
RETURNS TRIGGER AS $$
BEGIN
  RAISE NOTICE 'Current timestamp: %', now();
  RETURN NEW;
END;
$$ LANGUAGE PLpgSQL;

Create a sample trigger:

CREATE TRIGGER log_update_timestamp
AFTER UPDATE ON users
FOR EACH ROW
EXECUTE FUNCTION update_timestamp();

Drop the trigger:

DROP TRIGGER log_update_timestamp ON users;

DROP TRIGGER with CASCADE is not supported. #128151