33 lines
1.5 KiB
MySQL
33 lines
1.5 KiB
MySQL
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-- Migration: Create room_members table
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-- Description: Members of chat rooms
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CREATE TABLE IF NOT EXISTS room_members (
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id BIGSERIAL PRIMARY KEY,
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room_id BIGINT NOT NULL,
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user_id BIGINT NOT NULL,
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role VARCHAR(50) NOT NULL DEFAULT 'member', -- 'admin', 'moderator', 'member'
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joined_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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last_read_at TIMESTAMP WITH TIME ZONE,
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is_muted BOOLEAN DEFAULT false,
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created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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deleted_at TIMESTAMP WITH TIME ZONE,
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CONSTRAINT fk_room_members_room_id FOREIGN KEY (room_id) REFERENCES rooms(id) ON DELETE CASCADE,
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CONSTRAINT fk_room_members_user_id FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
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CONSTRAINT unique_room_member UNIQUE (room_id, user_id)
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);
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-- Indexes
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CREATE INDEX IF NOT EXISTS idx_room_members_room_id ON room_members(room_id);
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CREATE INDEX IF NOT EXISTS idx_room_members_user_id ON room_members(user_id);
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CREATE INDEX IF NOT EXISTS idx_room_members_role ON room_members(role);
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CREATE INDEX IF NOT EXISTS idx_room_members_deleted_at ON room_members(deleted_at);
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-- Comments
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COMMENT ON TABLE room_members IS 'Members of chat rooms with roles and permissions';
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COMMENT ON COLUMN room_members.role IS 'Member role: admin, moderator, or member';
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COMMENT ON COLUMN room_members.last_read_at IS 'Timestamp of last message read by user';
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COMMENT ON COLUMN room_members.is_muted IS 'Whether notifications are muted for this user';
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