DROP TABLE IF EXISTS p_attachment; DROP TABLE IF EXISTS p_captcha; DROP TABLE IF EXISTS p_comment; DROP TABLE IF EXISTS p_comment_content; DROP TABLE IF EXISTS p_comment_reply; DROP TABLE IF EXISTS p_message; DROP TABLE IF EXISTS p_post; DROP TABLE IF EXISTS p_post_attachment_bill; DROP TABLE IF EXISTS p_post_collection; DROP TABLE IF EXISTS p_post_content; DROP TABLE IF EXISTS p_post_star; DROP TABLE IF EXISTS p_tag; DROP TABLE IF EXISTS p_user; DROP TABLE IF EXISTS p_wallet_recharge; DROP TABLE IF EXISTS p_wallet_statement;