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database.sql
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database.sql
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CREATE USER nurseapp PASSWORD 'nurseapp';
CREATE DATABASE nurseapp OWNER nurseapp;
-- Person relation.
CREATE TABLE public.person (
id integer GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
insurance_number text UNIQUE NOT NULL,
name text NOT NULL,
birthdate date NOT NULL
);
-- Person's medical record relation.
CREATE TABLE public.person_medical_check (
id integer GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
person_insurance_number text NOT NULL REFERENCES person(insurance_number) ON DELETE CASCADE,
blood_pressure_s integer NOT NULL,
blood_pressure_d integer NOT NULL,
heart_rate integer NOT NULL,
check_date date DEFAULT now() NOT NULL
);
-- FUNCTION: public."createOrUpdatePerson"(person)
-- DROP FUNCTION public."createOrUpdatePerson"(person);
CREATE OR REPLACE FUNCTION public."createOrUpdatePerson"(
person person)
RETURNS person
LANGUAGE 'plpgsql'
COST 100
VOLATILE
AS $BODY$
DECLARE
p person; -- To store the input and the result of the query.
BEGIN
p := person;
-- Try to insert a new record or update an existing one.
INSERT INTO person (insurance_number, name, birthdate)
VALUES (p.insurance_number, p.name, p.birthdate)
ON CONFLICT (insurance_number) DO UPDATE SET name = p.name,
birthdate = p.birthdate RETURNING * INTO p;
RETURN p;
END;
$BODY$;
ALTER FUNCTION public."createOrUpdatePerson"(person)
OWNER TO nurseapp;
COMMENT ON FUNCTION public."createOrUpdatePerson"(person)
IS 'Function to create or update a person record.';