"pre_update" Trigger

Description

pre_update trigger is fired just before a update sql command issued to the database. If function returns false, SQL command will not be issued.

Declaration

bool block_name.pre_update();

Example

bool categories.pre_update() {
        return false;
}
 
bool categories.pre_delete() {
        return false;
}
 
bool categories.pre_insert() {
        return false;
}

See also