WordPress database error: [Table 'db_rain_blog.wp_comments' doesn't exist]
SELECT comment_date_gmt FROM wp_comments WHERE comment_date_gmt <= '2019-01-16 06:51:07' AND comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1

WordPress database error: [Table 'db_rain_blog.wp_comments' doesn't exist]
SELECT wp_comments.* FROM wp_comments LEFT JOIN wp_posts ON ( wp_comments.comment_post_ID = wp_posts.ID ) WHERE post_status = 'publish' AND comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 10