37 lines
1.3 KiB
SQL
37 lines
1.3 KiB
SQL
CREATE TABLE
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users (
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user_id SERIAL PRIMARY KEY,
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username VARCHAR(50) NOT NULL UNIQUE,
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email VARCHAR(100) NOT NULL UNIQUE
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);
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CREATE TABLE
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folders (
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folder_id UUID PRIMARY KEY DEFAULT gen_random_uuid (),
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parent_folder_id UUID REFERENCES folders (folder_id) ON DELETE CASCADE DEFAULT null,
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owner_id INT REFERENCES users (user_id) ON DELETE CASCADE NOT NULL,
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folder_name VARCHAR(255) NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
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);
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CREATE TABLE
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files (
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file_id UUID PRIMARY KEY DEFAULT gen_random_uuid (),
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folder_id UUID REFERENCES folders (folder_id) ON DELETE CASCADE NOT NULL,
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file_name VARCHAR(255) NOT NULL,
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file_size BIGINT NOT NULL,
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sha512 BYTEA NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
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);
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CREATE TYPE permission AS ENUM ('read', 'write', 'manage');
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CREATE TABLE
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permissions (
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permission_id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users (user_id) ON DELETE CASCADE NOT NULL,
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folder_id UUID REFERENCES folders (folder_id) ON DELETE CASCADE,
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permission_type permission NOT NULL,
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UNIQUE (user_id, folder_id)
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); |