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;
DROP SEQUENCE IF EXISTS post_id_seq;