32 lines
1.2 KiB
MySQL
32 lines
1.2 KiB
MySQL
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CREATE TABLE IF NOT EXISTS users
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL UNIQUE,
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created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
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) STRICT;
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CREATE TABLE IF NOT EXISTS chat_rooms
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(
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id TEXT PRIMARY KEY DEFAULT (lower(hex(randomblob(16)))), -- Generates a UUID
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name TEXT NOT NULL,
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last_message_sent_at TEXT,
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created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
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) STRICT;
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CREATE TABLE IF NOT EXISTS messages
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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chat_room_id TEXT NOT NULL,
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user_id INTEGER NOT NULL,
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message TEXT NOT NULL,
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created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (chat_room_id) REFERENCES chat_rooms (id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
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) STRICT;
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CREATE INDEX IF NOT EXISTS idx_messages_chat_room_id ON messages (chat_room_id);
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CREATE INDEX IF NOT EXISTS idx_messages_user_id ON messages (user_id);
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