在codeigniter中清除mysql查询

Question

I want to implement this mysql statement in codeigniter

$this->db->where('id', 30);
$this->db->update('sample_table', array('user_name'=>'John'));

// this line 

$this->db->where('sample_table_id', 30);
$this->db->update('sample_table_revision', array('user_name'=>'John'));

How to clear the query at this line?

Answer 1

Try

$this->db->reset_query()

Read more from here

Answer 2

Also you can pass the where condition array in third parameter like

$this->db->update('sample_table_revision', 
                     array('user_name'=>'John'), 
                          array('sample_table_id'=>30));