diff options
| -rw-r--r-- | modules/comment/comment.install | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/modules/comment/comment.install b/modules/comment/comment.install index d4bf76f93..7312e2a31 100644 --- a/modules/comment/comment.install +++ b/modules/comment/comment.install @@ -226,8 +226,11 @@ function comment_update_7004() { )); db_add_index('node_comment_statistics', 'cid', array('cid')); - // Add an index on the comment_count. - db_add_index('node_comment_statistics', 'comment_count', array('comment_count')); + // The comment_count index may have been added in Drupal 6. + if (!db_index_exists('node_comment_statistics', 'comment_count')) { + // Add an index on the comment_count. + db_add_index('node_comment_statistics', 'comment_count', array('comment_count')); + } } /** |