code: public function set( $name, $value = null ) {
  
  		if ( is_array( $name ) ) {
  			$this->statements['values'] = $this->statements['values'] + $name;
  		} else {
  			$this->statements['values'][ $name ] = $value;
  		}
  
  		return $this;
  	}
docs: Set values for insert/update
  
  @param string|array $name  Key of pair.
  @param string|array $value Value of pair.
  
  @return self The current query builder.