数据库 (#143)

back/dataset/EmoLLM数据库E-R图/EmoLLM数据库E-R图.md

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+# EmoLLM数据库总E-R图
+
+![image](./er1.png)
+
+# 关系属性图
+
+## 1、Users
+
+![image](./er2.png)
+
+## 2、Characters
+
+![image](./er3.png)
+
+## 3、Sessions
+
+![image](./er4.png)
+
+## 4、Messages
+
+![image](./er5.png)

back/dataset/EmoLLM数据库SQL.md

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+# 建库SQL语句：
+
+```sql
+-- Database: EmoLLM
+
+-- DROP DATABASE IF EXISTS "EmoLLM";
+
+CREATE DATABASE "EmoLLM"
+ WITH
+ OWNER = postgres
+ ENCODING = 'UTF8'
+ LC_COLLATE = 'Chinese (Simplified)_China.936'
+ LC_CTYPE = 'Chinese (Simplified)_China.936'
+ LOCALE_PROVIDER = 'libc'
+ TABLESPACE = pg_default
+ CONNECTION LIMIT = -1
+ IS_TEMPLATE = False;
+```
+
+## 1、创建Users表：
+
+```sql
+-- Table: public.Users
+
+-- DROP TABLE IF EXISTS public."Users";
+
+CREATE TABLE IF NOT EXISTS public."Users"
+(
+ user_id integer NOT NULL DEFAULT nextval('users_id_seq'::regclass),
+ phone_number "char" NOT NULL,
+ name "char" NOT NULL,
+ gender boolean NOT NULL,
+ school "char" NOT NULL,
+ create_time time with time zone,
+ llog_in_time time with time zone,
+ email "char",
+ user_state bigint DEFAULT 1,
+ CONSTRAINT "Users_pkey" PRIMARY KEY (user_id),
+ CONSTRAINT phone_number UNIQUE (phone_number)
+)
+
+TABLESPACE pg_default;
+
+ALTER TABLE IF EXISTS public."Users"
+ OWNER to postgres;
+
+COMMENT ON COLUMN public."Users".user_id
+ IS '用户id';
+
+COMMENT ON COLUMN public."Users".phone_number
+ IS '电话号码';
+
+COMMENT ON COLUMN public."Users".name
+ IS '昵称';
+
+COMMENT ON COLUMN public."Users".gender
+ IS '性别，0代表男，1代表女';
+
+COMMENT ON COLUMN public."Users".school
+ IS '学校';
+
+COMMENT ON COLUMN public."Users".create_time
+ IS '用户创建时间';
+
+COMMENT ON COLUMN public."Users".llog_in_time
+ IS '用户最后一次登陆时间';
+
+COMMENT ON COLUMN public."Users".email
+ IS '预留字段，为以后可能的收集做准备';
+
+COMMENT ON COLUMN public."Users".user_state
+ IS '0表示已删除，1表示正常状态，2表示用户被禁用';
+```
+
+## 2、创建Characters表：
+
+```sql
+-- Table: public.Characters
+
+-- DROP TABLE IF EXISTS public."Characters";
+
+CREATE TABLE IF NOT EXISTS public."Characters"
+(
+ character_id integer NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+ user_id integer NOT NULL,
+ image bytea,
+ description "char",
+ character_name "char" NOT NULL,
+ character_state boolean,
+ CONSTRAINT "Characters_pkey" PRIMARY KEY (character_id),
+ CONSTRAINT user_id FOREIGN KEY (user_id)
+ REFERENCES public."Users" (user_id) MATCH SIMPLE
+ ON UPDATE NO ACTION
+ ON DELETE NO ACTION
+ NOT VALID
+)
+
+TABLESPACE pg_default;
+
+ALTER TABLE IF EXISTS public."Characters"
+ OWNER to postgres;
+
+COMMENT ON COLUMN public."Characters".character_id
+ IS '模型id';
+
+COMMENT ON COLUMN public."Characters".user_id
+ IS '用户id';
+
+COMMENT ON COLUMN public."Characters".image
+ IS '用户与模型的聊天背景';
+
+COMMENT ON COLUMN public."Characters".description
+ IS '用户对自定义模型的描述';
+
+COMMENT ON COLUMN public."Characters".character_name
+ IS '模型名称';
+
+COMMENT ON COLUMN public."Characters".character_state
+ IS '模型状态，0表示角色已被用户删除，1表示未删除';
+```
+
+## 3、创建Sessions表：
+
+```sql
+-- Table: public.Sessions
+
+-- DROP TABLE IF EXISTS public."Sessions";
+
+CREATE TABLE IF NOT EXISTS public."Sessions"
+(
+ session_id integer NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+ user_id integer NOT NULL,
+ character_id integer NOT NULL,
+ start_time time with time zone,
+ end_time time with time zone,
+ session_state boolean,
+ CONSTRAINT "Sessions_pkey" PRIMARY KEY (session_id),
+ CONSTRAINT character_id FOREIGN KEY (character_id)
+ REFERENCES public."Characters" (character_id) MATCH SIMPLE
+ ON UPDATE NO ACTION
+ ON DELETE NO ACTION
+ NOT VALID,
+ CONSTRAINT user_id FOREIGN KEY (user_id)
+ REFERENCES public."Users" (user_id) MATCH SIMPLE
+ ON UPDATE NO ACTION
+ ON DELETE NO ACTION
+ NOT VALID
+)
+
+TABLESPACE pg_default;
+
+ALTER TABLE IF EXISTS public."Sessions"
+ OWNER to postgres;
+
+COMMENT ON COLUMN public."Sessions".session_id
+ IS '会话id';
+
+COMMENT ON COLUMN public."Sessions".user_id
+ IS '用户id';
+
+COMMENT ON COLUMN public."Sessions".character_id
+ IS '模型id';
+
+COMMENT ON COLUMN public."Sessions".start_time
+ IS '会话开始时间';
+
+COMMENT ON COLUMN public."Sessions".end_time
+ IS '会话终止时间';
+
+COMMENT ON COLUMN public."Sessions".session_state
+ IS '会话状态，0表示已被用户删除，1表示未删除';
+```
+
+## 4、创建Messages表：
+
+```sql
+-- Table: public.Messages
+
+-- DROP TABLE IF EXISTS public."Messages";
+
+CREATE TABLE IF NOT EXISTS public."Messages"
+(
+ message_id integer NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+ session_id integer NOT NULL,
+ type integer NOT NULL,
+ message_text "char",
+ message_time time with time zone,
+ massage_state boolean,
+ CONSTRAINT message_id PRIMARY KEY (message_id),
+ CONSTRAINT session_id FOREIGN KEY (session_id)
+ REFERENCES public."Sessions" (session_id) MATCH SIMPLE
+ ON UPDATE NO ACTION
+ ON DELETE NO ACTION
+ NOT VALID
+)
+
+TABLESPACE pg_default;
+
+ALTER TABLE IF EXISTS public."Messages"
+ OWNER to postgres;
+
+COMMENT ON COLUMN public."Messages".message_id
+ IS '消息id';
+
+COMMENT ON COLUMN public."Messages".session_id
+ IS '会话id';
+
+COMMENT ON COLUMN public."Messages".type
+ IS '消息种类，0为模型的text消息，1为用户的text消息';
+
+COMMENT ON COLUMN public."Messages".message_text
+ IS '消息内容';
+
+COMMENT ON COLUMN public."Messages".message_time
+ IS '消息时间';
+
+COMMENT ON COLUMN public."Messages".massage_state
+ IS '消息状态，0表示已被用户删除，1表示未删除';
+```
+