public int update() throws SQLException {
session.commit(true);
Database db = session.getDatabase();
if (getSchema().findTrigger(triggerName) != null) {
if (ifNotExists) {
return 0;
}
throw Message.getSQLException(ErrorCode.TRIGGER_ALREADY_EXISTS_1, triggerName);
}
int id = getObjectId(false, true);
Table table = getSchema().getTableOrView(session, tableName);
TriggerObject trigger = new TriggerObject(getSchema(), id, triggerName, table);
trigger.setBefore(before);
trigger.setNoWait(noWait);
trigger.setQueueSize(queueSize);
trigger.setRowBased(rowBased);
trigger.setTypeMask(typeMask);
trigger.setTriggerClassName(session, triggerClassName, force);
db.addSchemaObject(session, trigger);
table.addTrigger(trigger);
return 0;
}