WordPress database error: [Got error 28 from storage engine]
SHOW COLUMNS FROM wp_users LIKE 'knr_author_order'

WordPress database error: [Duplicate column name 'knr_author_order']
ALTER TABLE wp_users ADD `knr_author_order` INT( 4 ) NULL DEFAULT '0'

WordPress database error: [Got error 28 from storage engine]
describe wp_tweet_urls

WordPress database error: [Table 'wp_tweet_urls' already exists]
CREATE TABLE `wp_tweet_urls` (`id` int(10) unsigned NOT NULL auto_increment,`original` varchar(512) collate utf8_bin default NULL,`url` varchar(7) collate utf8_bin NOT NULL,`views` int(11) NOT NULL default '0',`post_id` int(11) NOT NULL default '0',PRIMARY KEY (`id`),UNIQUE KEY `url_index` (`url`),KEY `original` (`original`),KEY `url_index_2` (`url`)) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin;

WordPress database error: [Got error 28 from storage engine]
SELECT t.*, tt.*, tr.object_id FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ('category', 'post_tag', 'post_format') AND tr.object_id IN (6874) ORDER BY t.name ASC