Files
banban/mini-program/database/sql/001_init_chat.sql
2026-03-26 10:07:01 +08:00

306 lines
7.5 KiB
SQL

-- Chat schema and seed data for mini-program
-- Target: MySQL 8+
CREATE DATABASE IF NOT EXISTS mini_program
DEFAULT CHARACTER SET utf8mb4
COLLATE utf8mb4_unicode_ci;
USE mini_program;
SET FOREIGN_KEY_CHECKS=0;
DROP TABLE IF EXISTS chat_message;
DROP TABLE IF EXISTS chat_conversation_member;
DROP TABLE IF EXISTS chat_conversation;
DROP TABLE IF EXISTS chat_user_auth;
DROP TABLE IF EXISTS chat_user;
SET FOREIGN_KEY_CHECKS=1;
CREATE TABLE IF NOT EXISTS chat_user (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
nickname VARCHAR(64) NULL,
avatar_file_key VARCHAR(255) NULL COMMENT 'Stored file key, not URL',
status TINYINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '1-active 2-disabled 3-deleted',
last_login_at DATETIME(3) NULL,
created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
PRIMARY KEY (id),
KEY idx_status (status),
KEY idx_created_at (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS chat_user_auth (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
user_id BIGINT UNSIGNED NOT NULL,
auth_type TINYINT UNSIGNED NOT NULL COMMENT '1-wechat_miniapp_openid 2-wechat_unionid 3-phone_sms 4-email_magic_link 5-oauth 6-username_password',
auth_identifier VARCHAR(191) NOT NULL COMMENT 'openid/unionid/phone/email/oauth-sub/username',
password_hash CHAR(64) NULL COMMENT 'sha256 hex for demo only; production should use bcrypt/argon2',
credential_json JSON NULL COMMENT 'Extra auth payload, e.g. app_id/provider/phone_area',
is_primary TINYINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '1-primary login identity 0-secondary',
status TINYINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '1-active 2-disabled 3-revoked',
last_login_at DATETIME(3) NULL,
created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
PRIMARY KEY (id),
UNIQUE KEY uk_auth_type_identifier (auth_type, auth_identifier),
KEY idx_user_status (user_id, status),
KEY idx_last_login_at (last_login_at),
CONSTRAINT fk_user_auth_user
FOREIGN KEY (user_id) REFERENCES chat_user(id)
ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS chat_conversation (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
user_low_id BIGINT UNSIGNED NOT NULL COMMENT 'Smaller user_id in direct chat pair',
user_high_id BIGINT UNSIGNED NOT NULL COMMENT 'Larger user_id in direct chat pair',
status TINYINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '1-active 2-archived',
last_seq BIGINT UNSIGNED NOT NULL DEFAULT 0,
message_count BIGINT UNSIGNED NOT NULL DEFAULT 0,
last_message_preview VARCHAR(255) NULL,
last_message_at DATETIME(3) NULL,
created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
PRIMARY KEY (id),
UNIQUE KEY uk_direct_pair (user_low_id, user_high_id),
KEY idx_last_message_at (last_message_at),
KEY idx_user_low_id (user_low_id),
KEY idx_user_high_id (user_high_id),
CONSTRAINT fk_conv_user_low
FOREIGN KEY (user_low_id) REFERENCES chat_user(id)
ON DELETE CASCADE,
CONSTRAINT fk_conv_user_high
FOREIGN KEY (user_high_id) REFERENCES chat_user(id)
ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS chat_message (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
conversation_id BIGINT UNSIGNED NOT NULL,
seq BIGINT UNSIGNED NOT NULL COMMENT 'Conversation-local incremental sequence',
sender_user_id BIGINT UNSIGNED NULL COMMENT 'Null means assistant/system sender',
role TINYINT UNSIGNED NOT NULL COMMENT '1-user 2-assistant 3-system 4-tool',
content_type TINYINT UNSIGNED NOT NULL COMMENT '1-text 2-audio 3-image 4-json',
content_text MEDIUMTEXT NULL,
content_json JSON NULL,
media_file_key VARCHAR(255) NULL COMMENT 'Stored file key, not URL',
media_duration_ms INT UNSIGNED NULL,
client_msg_id VARCHAR(64) NULL COMMENT 'Idempotency key from client',
created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
deleted_at DATETIME(3) NULL,
PRIMARY KEY (id),
UNIQUE KEY uk_conv_seq (conversation_id, seq),
UNIQUE KEY uk_conv_client_msg (conversation_id, client_msg_id),
KEY idx_conv_created (conversation_id, created_at),
KEY idx_sender_created (sender_user_id, created_at),
CONSTRAINT fk_msg_conv
FOREIGN KEY (conversation_id) REFERENCES chat_conversation(id)
ON DELETE CASCADE,
CONSTRAINT fk_msg_sender_user
FOREIGN KEY (sender_user_id) REFERENCES chat_user(id)
ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
INSERT INTO chat_user (
id,
nickname,
avatar_file_key,
status,
last_login_at,
created_at,
updated_at
)
VALUES
(
1,
'Parent A',
'avatars/parent-a.png',
1,
'2026-03-25 09:58:00.000',
'2026-03-25 09:00:00.000',
'2026-03-25 09:58:00.000'
),
(
2,
'Parent B',
'avatars/parent-b.png',
1,
'2026-03-25 10:01:00.000',
'2026-03-25 09:20:00.000',
'2026-03-25 10:01:00.000'
),
(
3,
'Parent C',
'avatars/parent-c.png',
1,
'2026-03-25 21:11:00.000',
'2026-03-25 20:30:00.000',
'2026-03-25 21:11:00.000'
);
INSERT INTO chat_user_auth (
id,
user_id,
auth_type,
auth_identifier,
password_hash,
credential_json,
is_primary,
status,
last_login_at,
created_at,
updated_at
)
VALUES
(
1,
1,
6,
'test1',
SHA2('123', 256),
JSON_OBJECT('provider', 'local_account'),
1,
1,
'2026-03-25 09:58:00.000',
'2026-03-25 09:00:00.000',
'2026-03-25 09:58:00.000'
),
(
2,
2,
6,
'test2',
SHA2('123', 256),
JSON_OBJECT('provider', 'local_account'),
1,
1,
'2026-03-25 10:01:00.000',
'2026-03-25 09:20:00.000',
'2026-03-25 10:01:00.000'
),
(
3,
3,
6,
'test3',
SHA2('123', 256),
JSON_OBJECT('provider', 'local_account'),
1,
1,
'2026-03-25 21:11:00.000',
'2026-03-25 20:30:00.000',
'2026-03-25 21:11:00.000'
);
INSERT INTO chat_conversation (
id,
user_low_id,
user_high_id,
status,
last_seq,
message_count,
last_message_preview,
last_message_at,
created_at,
updated_at
)
VALUES
(
1,
1,
2,
1,
5,
5,
'user: Thanks, I understand now.',
'2026-03-25 10:00:40.000',
'2026-03-25 10:00:00.000',
'2026-03-25 10:00:40.000'
);
INSERT INTO chat_message (
id,
conversation_id,
seq,
sender_user_id,
role,
content_type,
content_text,
content_json,
media_file_key,
media_duration_ms,
client_msg_id,
created_at
)
VALUES
(
1001,
1,
1,
1,
1,
1,
'Hi, did you finish homework?',
JSON_OBJECT('lang', 'en'),
NULL,
NULL,
'c1-m1',
'2026-03-25 10:00:05.000'
),
(
1002,
1,
2,
2,
1,
1,
'Almost done, one question left.',
JSON_OBJECT('lang', 'en'),
NULL,
NULL,
'c1-m2',
'2026-03-25 10:00:12.000'
),
(
1003,
1,
3,
NULL,
2,
1,
'I can help explain the last question.',
JSON_OBJECT('tone', 'assistant'),
NULL,
NULL,
'c1-m3',
'2026-03-25 10:00:20.000'
),
(
1004,
1,
4,
1,
1,
1,
'Great, explain how to solve it.',
JSON_OBJECT('lang', 'en'),
NULL,
NULL,
'c1-m4',
'2026-03-25 10:00:30.000'
),
(
1005,
1,
5,
2,
1,
1,
'Thanks, I understand now.',
JSON_OBJECT('lang', 'en'),
NULL,
NULL,
'c1-m5',
'2026-03-25 10:00:40.000'
);