9 lines
372 B
SQL
9 lines
372 B
SQL
-- Add unique constraint for ON CONFLICT to work in CreateDevice query
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ALTER TABLE devices
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ADD CONSTRAINT devices_user_id_device_token_uniq UNIQUE (user_id, device_token);
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-- Add foreign key to users table for data integrity and cascade deletion
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ALTER TABLE devices
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ADD CONSTRAINT devices_user_fk
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
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