Loads the column metadata from the last query.

File: wp-includes/class-wpdb.php. View all references

protected function load_col_info() {
	if ( $this->col_info ) {
		return;
	}

	if ( $this->use_mysqli ) {
		$num_fields = mysqli_num_fields( $this->result );
		for ( $i = 0; $i < $num_fields; $i++ ) {
			$this->col_info[ $i ] = mysqli_fetch_field( $this->result );
		}
	} else {
		$num_fields = mysql_num_fields( $this->result );
		for ( $i = 0; $i < $num_fields; $i++ ) {
			$this->col_info[ $i ] = mysql_fetch_field( $this->result, $i );
		}
	}
}