paopao-ce/scripts/paopao-postgres.sql

SET client_encoding = 'UTF8';
SET standard_conforming_strings = off;
SET check_function_bodies = false;
SET client_min_messages = warning;
SET escape_string_warning = off;

-- create or replace function set_modified_on()
--     returns trigger as
-- $$
-- begin
--     NEW.modified_on = now();
--     return NEW;
-- end;
-- $$ language plpgsql;

-- create or replace function trigger_modified_on(tablename regclass)
--     returns void as
-- $$
-- begin
--     execute format('CREATE TRIGGER set_modified_on
--         BEFORE UPDATE
--         ON %s
--         FOR EACH ROW
--         WHEN (OLD is distinct from NEW)
--     EXECUTE FUNCTION set_modified_on();', tablename);
-- end;
-- $$ language plpgsql;

DROP TABLE IF EXISTS p_attachment;
CREATE TABLE p_attachment (
	id BIGSERIAL PRIMARY KEY,
	user_id BIGINT NOT NULL DEFAULT 0,
	file_size BIGINT NOT NULL,
	img_width BIGINT NOT NULL DEFAULT 0,
	img_height BIGINT NOT NULL DEFAULT 0,
	"type" SMALLINT  NOT NULL DEFAULT 1, -- 1图片、2视频、3其他附件
	content VARCHAR(255) NOT NULL DEFAULT '',
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0  -- 是否删除 0为未删除、1为已删除
);
CREATE INDEX idx_attachment_user_id ON p_attachment USING btree (id);

DROP TABLE IF EXISTS p_captcha;
CREATE TABLE p_captcha (
	id BIGSERIAL PRIMARY KEY,
	phone VARCHAR(16),
	captcha VARCHAR(16),
	use_times INTEGER NOT NULL DEFAULT 0,
	expired_on BIGINT NOT NULL DEFAULT 0,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0 -- 是否删除 0为未删除、1为已删除'
);
CREATE INDEX idx_captcha_phone ON p_captcha USING btree (phone);
CREATE INDEX idx_captcha_expired_on ON p_captcha USING btree (expired_on);
CREATE INDEX idx_captcha_use_times ON p_captcha USING btree (use_times);

DROP TABLE IF EXISTS p_comment;
CREATE TABLE p_comment (
	id BIGSERIAL PRIMARY KEY,
	post_id BIGINT NOT NULL DEFAULT 0,
	user_id BIGINT NOT NULL DEFAULT 0,
	ip VARCHAR(64) NOT NULL DEFAULT '',
	ip_loc VARCHAR(64) NOT NULL DEFAULT '',
	is_essence SMALLINT NOT NULL DEFAULT 0,
	reply_count INT NOT NULL DEFAULT 0, -- 回复数
	thumbs_up_count INT NOT NULL DEFAULT 0, -- 点赞数
	thumbs_down_count INT NOT NULL DEFAULT 0, -- 点踩数
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_comment_post_id ON p_comment USING btree (post_id);
CREATE INDEX idx_comment_user_id ON p_comment USING btree (user_id);

DROP TABLE IF EXISTS p_comment_content;
CREATE TABLE p_comment_content (
	id BIGSERIAL PRIMARY KEY,
	comment_id BIGINT NOT NULL DEFAULT 0,
	user_id BIGINT NOT NULL DEFAULT 0,
	content TEXT NOT NULL DEFAULT '',
	"type" SMALLINT NOT NULL DEFAULT 2, -- 类型，1标题，2文字段落，3图片地址，4视频地址，5语音地址，6链接地址,
	sort BIGINT NOT NULL DEFAULT 100,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_comment_content_comment_id ON p_comment_content USING btree (comment_id);
CREATE INDEX idx_comment_content_user_id ON p_comment_content USING btree (user_id);
CREATE INDEX idx_comment_content_type ON p_comment_content USING btree ("type");
CREATE INDEX idx_comment_content_sort ON p_comment_content USING btree (sort);

DROP TABLE IF EXISTS p_comment_reply;
CREATE TABLE p_comment_reply (
	id BIGSERIAL PRIMARY KEY,
	comment_id BIGINT NOT NULL DEFAULT 0,
	user_id BIGINT NOT NULL DEFAULT 0,
	at_user_id BIGINT NOT NULL DEFAULT 0,
	content TEXT NOT NULL DEFAULT '',
	ip VARCHAR(64) NOT NULL DEFAULT '',
	ip_loc VARCHAR(64) NOT NULL DEFAULT '',
	thumbs_up_count int NOT NULL DEFAULT 0, -- 点赞数
	thumbs_down_count int NOT NULL DEFAULT 0, -- 点踩数
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_comment_reply_comment_id ON p_comment_reply USING btree (comment_id);

CREATE TABLE p_comment_metric (
	id BIGSERIAL PRIMARY KEY,
	comment_id BIGINT NOT NULL,
	rank_score BIGINT NOT NULL DEFAULT 0,
	incentive_score INT NOT NULL DEFAULT 0,
	decay_factor INT NOT NULL DEFAULT 0,
	motivation_factor INT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_comment_metric_comment_id_rank_score ON p_comment_metric USING btree (comment_id, rank_score);

DROP TABLE IF EXISTS p_tweet_comment_thumbs;
CREATE TABLE p_tweet_comment_thumbs (
  id BIGSERIAL PRIMARY KEY,
  user_id BIGINT NOT NULL,
  tweet_id BIGINT NOT NULL,
  comment_id BIGINT NOT NULL,
  reply_id BIGINT,
  comment_type SMALLINT NOT NULL DEFAULT 0, -- 评论类型 0为推文评论、1为评论回复
  is_thumbs_up SMALLINT NOT NULL DEFAULT 0, -- 是否点赞 0 为否 1为是
  is_thumbs_down SMALLINT NOT NULL DEFAULT 0, -- 是否点踩 0 为否 1为是
  created_on BIGINT NOT NULL DEFAULT 0,
  modified_on BIGINT NOT NULL DEFAULT 0,
  deleted_on BIGINT NOT NULL DEFAULT 0,
  is_del SMALLINT NOT NULL DEFAULT 0 -- 是否删除 0 为未删除、1 为已删除
);
CREATE INDEX idx_tweet_comment_thumbs_uid_tid ON p_tweet_comment_thumbs USING btree (user_id, tweet_id);

DROP TABLE IF EXISTS p_message;
CREATE TABLE p_message (
	id BIGSERIAL PRIMARY KEY,
	sender_user_id BIGINT NOT NULL DEFAULT 0,
	receiver_user_id BIGINT NOT NULL DEFAULT 0,
	"type" SMALLINT NOT NULL DEFAULT 1,
	brief VARCHAR(255) NOT NULL DEFAULT '',
	content VARCHAR(255) NOT NULL DEFAULT '',
	post_id BIGINT NOT NULL DEFAULT 0,
	comment_id BIGINT NOT NULL DEFAULT 0,
	reply_id BIGINT NOT NULL DEFAULT 0,
	is_read SMALLINT NOT NULL DEFAULT 0,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_message_receiver_user_id ON p_message USING btree (receiver_user_id);
CREATE INDEX idx_message_is_read ON p_message USING btree (is_read);
CREATE INDEX idx_message_type ON p_message USING btree ("type");

CREATE SEQUENCE IF NOT EXISTS post_id_seq AS BIGINT MINVALUE 1080017989 NO MAXVALUE;
DROP TABLE IF EXISTS p_post;
CREATE TABLE p_post (
	id BIGINT NOT NULL DEFAULT nextval('post_id_seq'::regclass),
	user_id BIGINT NOT NULL DEFAULT 0,
	comment_count BIGINT NOT NULL DEFAULT 0,
	collection_count BIGINT NOT NULL DEFAULT 0,
	upvote_count BIGINT NOT NULL DEFAULT 0,
	share_count BIGINT NOT NULL DEFAULT 0,
	visibility SMALLINT NOT NULL DEFAULT 0, -- 可见性: 0私密 10充电可见 20订阅可见 30保留 40保留 50好友可见 60关注可见 70保留 80保留 90公开
	is_top SMALLINT NOT NULL DEFAULT 0, -- 是否置顶
	is_essence SMALLINT NOT NULL DEFAULT 0, -- 是否精华
	is_lock SMALLINT NOT NULL DEFAULT 0, -- 是否锁定
	latest_replied_on BIGINT NOT NULL DEFAULT 0, -- 最新回复时间
	tags VARCHAR(255) NOT NULL DEFAULT '',
	attachment_price BIGINT NOT NULL DEFAULT 0, -- 附件价格(分)
	ip VARCHAR(64) NOT NULL DEFAULT '', -- IP地址
	ip_loc VARCHAR(64) NOT NULL DEFAULT '', -- IP城市地址
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0,
	PRIMARY KEY (id)
);
CREATE INDEX idx_post_user_id ON p_post USING btree (user_id);
CREATE INDEX idx_post_visibility ON p_post USING btree (visibility);

DROP TABLE IF EXISTS p_post_metric;
CREATE TABLE p_post_metric (
	ID BIGSERIAL PRIMARY KEY,
	post_id BIGINT NOT NULL,
	rank_score BIGINT NOT NULL DEFAULT 0,
	incentive_score INT NOT NULL DEFAULT 0,
	decay_factor INT NOT NULL DEFAULT 0,
	motivation_factor INT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0 
);
CREATE INDEX idx_post_metric_post_id_rank_score ON p_post_metric USING btree (post_id, rank_score);

DROP TABLE IF EXISTS p_post_attachment_bill;
CREATE TABLE p_post_attachment_bill (
	id BIGSERIAL PRIMARY KEY,
	post_id BIGINT NOT NULL DEFAULT 0,
	user_id BIGINT NOT NULL DEFAULT 0,
	paid_amount BIGINT NOT NULL DEFAULT 0, -- 支付金额
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_post_attachment_bill_post_id ON p_post_attachment_bill USING btree (post_id);
CREATE INDEX idx_post_attachment_bill_user_id ON p_post_attachment_bill USING btree (user_id);

DROP TABLE IF EXISTS p_post_collection;
CREATE TABLE p_post_collection (
	id BIGSERIAL PRIMARY KEY,
	post_id BIGINT NOT NULL DEFAULT 0,
	user_id BIGINT NOT NULL DEFAULT 0,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_post_collection_post_id ON p_post_collection USING btree (post_id);
CREATE INDEX idx_post_collection_user_id ON p_post_collection USING btree (user_id);

DROP TABLE IF EXISTS p_post_content;
CREATE TABLE p_post_content (
	id BIGSERIAL PRIMARY KEY,
	post_id BIGINT NOT NULL DEFAULT 0,
	user_id BIGINT NOT NULL DEFAULT 0,
	content TEXT NOT NULL DEFAULT '',
	"type" SMALLINT NOT NULL DEFAULT 2, -- 类型，1标题，2文字段落，3图片地址，4视频地址，5语音地址，6链接地址，7附件资源，8收费资源
	sort SMALLINT NOT NULL DEFAULT 100,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_post_content_post_id ON p_post_content USING btree (post_id);
CREATE INDEX idx_post_content_user_id ON p_post_content USING btree (user_id);

DROP TABLE IF EXISTS p_post_star;
CREATE TABLE p_post_star (
	id BIGSERIAL PRIMARY KEY,
	post_id BIGINT NOT NULL DEFAULT 0,
	user_id BIGINT NOT NULL DEFAULT 0,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_post_star_post_id ON p_post_star USING btree (post_id);
CREATE INDEX idx_post_star_user_id ON p_post_star USING btree (user_id);

DROP TABLE IF EXISTS p_tag;
CREATE TABLE p_tag (
	id BIGSERIAL PRIMARY KEY,
	user_id BIGINT NOT NULL DEFAULT 0,
	tag VARCHAR(255) NOT NULL,
	quote_num BIGINT NOT NULL DEFAULT 0, -- 引用数
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE UNIQUE INDEX idx_tag_tag ON p_tag USING btree (tag);
CREATE INDEX idx_tag_user_id ON p_tag USING btree (user_id);
CREATE INDEX idx_tag_quote_num ON p_tag USING btree (quote_num);

DROP TABLE IF EXISTS p_topic_user;
CREATE TABLE p_topic_user (
	ID BIGSERIAL PRIMARY KEY,
	topic_id BIGINT NOT NULL,-- 标签ID
	user_id BIGINT NOT NULL,-- 创建者ID
	alias_name VARCHAR ( 255 ),-- 别名
	remark VARCHAR ( 512 ),-- 备注
	quote_num BIGINT,-- 引用数
	is_top SMALLINT NOT NULL DEFAULT 0,-- 是否置顶 0 为未置顶、1 为已置顶
	created_on BIGINT NOT NULL DEFAULT 0,-- 创建时间
	modified_on BIGINT NOT NULL DEFAULT 0,-- 修改时间
	deleted_on BIGINT NOT NULL DEFAULT 0,-- 删除时间
	is_del SMALLINT NOT NULL DEFAULT 0,-- 是否删除 0 为未删除、1 为已删除
	reserve_a VARCHAR ( 255 ),-- 保留字段a
	reserve_b VARCHAR ( 255 ) -- 保留字段b
);
CREATE UNIQUE INDEX idx_topic_user_uid_tid ON p_topic_user USING btree ( topic_id, user_id );

CREATE SEQUENCE IF NOT EXISTS user_id_seq AS BIGINT MINVALUE 100058 NO MAXVALUE;
DROP TABLE IF EXISTS p_user;
CREATE TABLE p_user (
	id BIGINT NOT NULL DEFAULT nextval('user_id_seq'::regclass),
	nickname VARCHAR(32) NOT NULL DEFAULT '',
	username VARCHAR(32) NOT NULL DEFAULT '',
	phone VARCHAR(16) NOT NULL DEFAULT '', -- 手机号
	password VARCHAR(32) NOT NULL DEFAULT '', -- MD5密码
	salt VARCHAR(16) NOT NULL DEFAULT '', -- 盐值
	status SMALLINT NOT NULL DEFAULT 1, -- 状态，1正常，2停用
	avatar VARCHAR(255) NOT NULL DEFAULT '',
	balance BIGINT NOT NULL, -- 用户余额（分）
	is_admin BOOLEAN NOT NULL DEFAULT false, -- 是否管理员
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0,
	PRIMARY KEY (id)
);
CREATE UNIQUE INDEX idx_user_username ON p_user USING btree (username);
CREATE INDEX idx_user_phone ON p_user USING btree (phone);

CREATE TABLE p_user_metric (
	id BIGSERIAL PRIMARY KEY,
	user_id BIGINT NOT NULL,
	tweets_count INT NOT NULL DEFAULT 0,
	latest_trends_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0,
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_user_metric_user_id_tweets_count_trends ON p_user_metric USING btree (user_id, tweets_count, latest_trends_on);

DROP TABLE IF EXISTS p_following;
CREATE TABLE p_following (
	id BIGSERIAL PRIMARY KEY,
	user_id BIGINT NOT NULL,
	follow_id BIGINT NOT NULL,
	is_del SMALLINT NOT NULL DEFAULT 0, -- 是否删除, 0否, 1是
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_following_user_follow ON p_following USING btree (user_id, follow_id);

DROP TABLE IF EXISTS p_contact;
CREATE TABLE p_contact (
	id BIGSERIAL PRIMARY KEY,
	user_id BIGINT NOT NULL,
	friend_id BIGINT NOT NULL,
	group_id BIGINT NOT NULL DEFAULT 0, -- 好友分组ID:默认为0无分组
	remark VARCHAR(32) NOT NULL DEFAULT '', -- 好友备注
	status SMALLINT NOT NULL DEFAULT 0, -- 好友状态: 1请求好友, 2已好友, 3拒绝好友, 4已删好友
	is_top SMALLINT NOT NULL DEFAULT 0, -- 是否置顶, 0否, 1是
	is_black SMALLINT NOT NULL DEFAULT 0, -- 是否为黑名单, 0否, 1是
	is_del SMALLINT NOT NULL DEFAULT 0, -- 否删除好友, 0否, 1是
	notice_enable SMALLINT NOT NULL DEFAULT 0, -- 是否有消息提醒, 0否, 1是
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0
);
CREATE UNIQUE INDEX idx_contact_user_friend ON p_contact USING btree (user_id,friend_id);
CREATE INDEX idx_contact_user_friend_status ON p_contact USING btree (user_id, friend_id, status);

DROP TABLE IF EXISTS p_contact_group;
CREATE TABLE p_contact_group (
	id BIGSERIAL PRIMARY KEY,
	user_id int NOT NULL DEFAULT 0,
	name VARCHAR(32) NOT NULL DEFAULT '', -- 分组名称
	is_del SMALLINT NOT NULL DEFAULT 1, -- 是否删除, 0否, 1是
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0
);

DROP TABLE IF EXISTS p_wallet_recharge;
CREATE TABLE p_wallet_recharge (
	id BIGSERIAL PRIMARY KEY,
	user_id BIGINT NOT NULL DEFAULT 0,
	amount BIGINT NOT NULL DEFAULT 0, -- 充值金额
	trade_no VARCHAR(64) NOT NULL DEFAULT '', -- 支付宝订单号
	trade_status VARCHAR(32) NOT NULL DEFAULT '', -- 交易状态
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0 -- 是否删除 0 为未删除、1 为已删除
);
CREATE INDEX idx_wallet_recharge_user_id ON p_wallet_recharge USING btree (user_id);
CREATE INDEX idx_wallet_recharge_trade_no ON p_wallet_recharge USING btree (trade_no);
CREATE INDEX idx_wallet_recharge_trade_status ON p_wallet_recharge USING btree (trade_status);

DROP TABLE IF EXISTS p_wallet_statement;
CREATE TABLE p_wallet_statement (
	id BIGSERIAL PRIMARY KEY,
	user_id BIGINT NOT NULL DEFAULT 0,
	change_amount BIGINT NOT NULL DEFAULT 0, -- 变动金额
	balance_snapshot BIGINT NOT NULL DEFAULT 0, -- 资金快照
	reason VARCHAR(255) NOT NULL, -- 变动原因
	post_id BIGINT NOT NULL DEFAULT 0, -- 关联动态
	created_on BIGINT NOT NULL DEFAULT 0,
	modified_on BIGINT NOT NULL DEFAULT 0,
	deleted_on BIGINT NOT NULL DEFAULT 0,
	is_del SMALLINT NOT NULL DEFAULT 0
);
CREATE INDEX idx_wallet_statement_user_id ON p_wallet_statement USING btree (user_id);

DROP VIEW IF EXISTS p_post_by_media;
CREATE VIEW p_post_by_media AS 
SELECT post.* 
FROM
	( SELECT DISTINCT post_id FROM p_post_content WHERE ( TYPE = 3 OR TYPE = 4 OR TYPE = 7 OR TYPE = 8 ) AND is_del = 0 ) media
	JOIN p_post post ON media.post_id = post.ID 
WHERE
	post.is_del = 0;

DROP VIEW IF EXISTS p_post_by_comment;
CREATE VIEW p_post_by_comment AS 
SELECT P.*, C.user_id comment_user_id
FROM
	(
	SELECT
		post_id,
		user_id
	FROM
		p_comment 
	WHERE
		is_del = 0 UNION
	SELECT
		post_id,
		reply.user_id user_id
	FROM
		p_comment_reply reply
		JOIN p_comment COMMENT ON reply.comment_id = COMMENT.ID 
	WHERE
		reply.is_del = 0 
		AND COMMENT.is_del = 0 
	)
	C JOIN p_post P ON C.post_id = P.ID 
WHERE
	P.is_del = 0;

DROP VIEW IF EXISTS p_user_relation;
CREATE VIEW p_user_relation AS 
SELECT user_id, friend_id he_uid, 5 AS style 
FROM p_contact WHERE status=2 AND is_del=0
UNION
SELECT user_id, follow_id he_uid, 10 AS style 
FROM p_following WHERE is_del=0;