diff --git a/wp-admin/import/wordpress.php b/wp-admin/import/wordpress.php
index 1e5a37f264..9898bc3df4 100644
--- a/wp-admin/import/wordpress.php
+++ b/wp-admin/import/wordpress.php
@@ -376,7 +376,9 @@ class WP_Import {
$cat_index++;
}
- if ($post_id = post_exists($post_title, '', $post_date)) {
+ $post_exists = post_exists($post_title, '', $post_date);
+
+ if ( $post_exists ) {
echo '
';
printf(__('Post %s already exists.'), stripslashes($post_title));
} else {
@@ -475,7 +477,8 @@ class WP_Import {
$comment_type = $this->get_tag( $comment, 'wp:comment_type');
$comment_parent = $this->get_tag( $comment, 'wp:comment_parent');
- if ( !comment_exists($comment_author, $comment_date) ) {
+ // if this is a new post we can skip the comment_exists() check
+ if ( !$post_exists || !comment_exists($comment_author, $comment_date) ) {
$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_approved', 'comment_type', 'comment_parent');
wp_insert_comment($commentdata);
$num_comments++;
@@ -648,35 +651,45 @@ class WP_Import {
return apply_filters('import_attachment_size_limit', 0);
}
-
- function import($id, $fetch_attachments = false) {
- $this->id = (int) $id;
- $this->fetch_attachments = ($this->allow_fetch_attachments() && (bool) $fetch_attachments);
-
- add_filter('import_post_meta_key', array($this, 'is_valid_meta_key'));
- do_action('import_start');
- $file = get_attached_file($this->id);
- $this->import_file($file);
- do_action('import_end');
- }
-
- function import_file($file) {
- $this->file = $file;
-
- $this->get_authors_from_post();
+ function import_start() {
wp_defer_term_counting(true);
- $this->get_entries();
- $this->process_categories();
- $this->process_tags();
- $result = $this->process_posts();
- $this->backfill_parents();
- $this->backfill_attachment_urls();
+ wp_defer_comment_counting(true);
+ do_action('import_start');
+ }
+
+ function import_end() {
+ do_action('import_end');
// clear the caches after backfilling
foreach ($this->post_ids_processed as $post_id)
clean_post_cache($post_id);
wp_defer_term_counting(false);
+ wp_defer_comment_counting(false);
+ }
+
+ function import($id, $fetch_attachments = false) {
+ $this->id = (int) $id;
+ $this->fetch_attachments = ($this->allow_fetch_attachments() && (bool) $fetch_attachments);
+
+ add_filter('import_post_meta_key', array($this, 'is_valid_meta_key'));
+ $file = get_attached_file($this->id);
+ $this->import_file($file);
+ }
+
+ function import_file($file) {
+ $this->file = $file;
+
+ $this->import_start();
+ $this->get_authors_from_post();
+ $this->get_entries();
+ $this->process_categories();
+ $this->process_tags();
+ $result = $this->process_posts();
+ $this->backfill_parents();
+ $this->backfill_attachment_urls();
+ $this->import_end();
+
if ( is_wp_error( $result ) )
return $result;
}
diff --git a/wp-includes/comment.php b/wp-includes/comment.php
index 683b1df944..6f370a5fae 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -491,8 +491,41 @@ function wp_update_comment($commentarr) {
return $rval;
}
+function wp_defer_comment_counting($defer=NULL) {
+ static $_defer = false;
+
+ if ( is_bool($defer) ) {
+ $_defer = $defer;
+ // flush any deferred counts
+ if ( !$defer )
+ wp_update_comment_count( NULL, true );
+ }
+
+ return $_defer;
+}
-function wp_update_comment_count($post_id) {
+function wp_update_comment_count($post_id, $do_deferred=false) {
+ static $_deferred = array();
+
+ if ( $do_deferred ) {
+ $_deferred = array_unique($_deferred);
+ foreach ( $_deferred as $i => $_post_id ) {
+ wp_update_comment_count_now($_post_id);
+ unset( $_deferred[$i] );
+ }
+ }
+
+ if ( wp_defer_comment_counting() ) {
+ $_deferred[] = $post_id;
+ return true;
+ }
+ elseif ( $post_id ) {
+ return wp_update_comment_count_now($post_id);
+ }
+
+}
+
+function wp_update_comment_count_now($post_id) {
global $wpdb;
$post_id = (int) $post_id;
if ( !$post_id )