SQL NOW（）给出了00：00：00

Question

i have done SQL insertion with NOW() using codeigniter. instead of current time i got 0000-00-00 00:00:00 in my db recode. i am using latest WAMP as my server and cannot understand the where is the problem. please help me.

function createform($form_data)
{
    $this->db->set('created', 'NOW()',TRUE);
    $this->db->insert('amfbases', $form_data);

    if ($this->db->affected_rows() == '1')
    {
        return TRUE;
    }

    return FALSE;
}

Answer 1

check your column data type, and did u quote the NOW(), like insert into table values ("NOW()"); ?

updated

$this->db->set('created', time(),TRUE);

or

$this->db->set('created', date('Y-m-d H:i:s'),TRUE);

or update your table schema to add_date timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP

updated 2

NOW() is specify to MYSQL, PHP interpreted it as string, and cannot mix both together

Answer 2

Actually the right way to do this (ie pass sql functions to db) is to specify third param to be FALSE Example:

$this->db->set('created', 'NOW()', FALSE); // notice FALSE

That will cause codeigniter to pass second param without quoting it resulting in sql interpreting it as function.

Useful for:

$this->db->set('counter', 'counter + 1', FALSE);

For reference look: http://codeigniter.com/user_guide/database/active_record.html