WordPress database error: [Lost connection to MySQL server during query]
SELECT post_modified_gmt FROM wp_posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1

WordPress database error: [Sort aborted]
SELECT post_date_gmt FROM wp_posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1

WordPress database error: [Server shutdown in progress]
SELECT SQL_CALC_FOUND_ROWS wp_posts.* FROM wp_posts WHERE 1=1 AND (post_type = 'post' AND (post_status = 'publish')) ORDER BY post_date DESC LIMIT 0, 10

WordPress database error: [Lost connection to MySQL server during query]
SELECT FOUND_ROWS()