maybe_add_column( string $table_name, string $column_name, string $create_ddl ): bool

2684function maybe_add_column( $table_name, $column_name, $create_ddl ) {2685	global $wpdb;2686 2687	foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) {2688		if ( $column === $column_name ) {2689			return true;2690		}2691	}2692 2693	// Didn't find it, so try to create it.2694	$wpdb->query( $create_ddl );2695 2696	// We cannot directly tell that whether this succeeded!2697	foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) {2698		if ( $column === $column_name ) {2699			return true;2700		}2701	}2702 2703	return false;2704}