if ( $wp_current_db_version < 4772 ) {
		// Obsolete linkcategories table
		$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'linkcategories' );
	}

	// Recalculate all counts
	$terms = $wpdb->get_results( "SELECT term_taxonomy_id, taxonomy FROM $wpdb->term_taxonomy" );
	foreach ( (array) $terms as $term ) {
		if ( ( 'post_tag' == $term->taxonomy ) || ( 'category' == $term->taxonomy ) ) {
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type = 'post' AND term_taxonomy_id = %d", $term->term_taxonomy_id ) );
		} else {
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term->term_taxonomy_id ) );
		}
		$wpdb->update( $wpdb->term_taxonomy, array( 'count' => $count ), array( 'term_taxonomy_id' => $term->term_taxonomy_id ) );
	}
}

/**
 * Remove old options from the database.
 *
 * @ignore
 * @since 2.3.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 */
function upgrade_230_options_table() {
	global $wpdb;
	$old_options_fields = array( 'option_can_override', 'option_type', 'option_width', 'option_height', 'option_description', 'option_admin_level' );
	$wpdb->hide_errors();
	foreach ( $old_options_fields as $old ) {
		$wpdb->query( "ALTER TABLE $wpdb->options DROP $old" );
	}
	$wpdb->show_errors();
}

/**
 * Remove old categories, link2cat, and post2cat database tables.
 *
 * @ignore
 * @since 2.3.0
 *