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c009d77305
1.add appointment feature; 2.add new api for creation,query and cancel. 3.add new table for appointment.
23 lines
No EOL
1 KiB
SQL
23 lines
No EOL
1 KiB
SQL
-- Create appointments table
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CREATE TABLE appointments (
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id INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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pet_id INTEGER NOT NULL,
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owner_id INTEGER NOT NULL,
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start_time TIMESTAMP NOT NULL,
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end_time TIMESTAMP NOT NULL,
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status VARCHAR(20) NOT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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version INTEGER DEFAULT 0
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);
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-- Add foreign key constraints
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ALTER TABLE appointments ADD CONSTRAINT fk_appointments_pets FOREIGN KEY (pet_id) REFERENCES pets (id);
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ALTER TABLE appointments ADD CONSTRAINT fk_appointments_owners FOREIGN KEY (owner_id) REFERENCES owners (id);
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-- Create indexes for performance
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CREATE INDEX appointments_pet_id ON appointments (pet_id);
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CREATE INDEX appointments_start_time ON appointments (start_time);
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CREATE INDEX appointments_pet_time_range ON appointments (pet_id, start_time, end_time);
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-- Add check constraint to ensure end_time is after start_time
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ALTER TABLE appointments ADD CONSTRAINT chk_appointment_time_order CHECK (end_time > start_time); |