19 lines
919 B
MySQL
19 lines
919 B
MySQL
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CREATE TABLE users_followers (
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id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
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user_id VARCHAR(64) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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follower_id VARCHAR(64) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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ALTER TABLE users_followers ADD CONSTRAINT user_follower_uniqkey UNIQUE (user_id, follower_id);
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CREATE TABLE bands_followers (
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id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
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band_id VARCHAR(64) NOT NULL REFERENCES bands(id) ON DELETE CASCADE,
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follower_id VARCHAR(64) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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ALTER TABLE bands_followers ADD CONSTRAINT band_follower_uniqkey UNIQUE (band_id, follower_id);
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