-- Create or replace function FahrToCels(temperatura REAL)
--
-- RETURNS REAL AS $$
--
-- BEGIN
-- RETURN ((temperatura-32)*5/9);
-- END;
-- $$ LANGUAGE PLPGSQL;
--
-- select FahrToCels(100);
-- Create or replace function NEWFILM(id_filmu INTEGER, tytul VARCHAR(20), rok_produkcji INTEGER, cena REAL)
--
-- RETURNS VARCHAR AS $$
-- BEGIN
-- INSERT INTO FILMY (id_filmu, tytul, rok_produkcji, cena)
-- VALUES (id_filmu, tytul, rok_produkcji, cena);
--
-- RETURN ('OK');
--
-- EXCEPTION WHEN unique_violation THEN RETURN 'BLEDNY ID';
-- END;
-- $$ LANGUAGE PLPGSQL;
--
--
--
-- select NEWFILM(33, 'Ida', 2013, 10);
-- CREATE OR REPLACE FUNCTION UPPER_NAMES_FUN() RETURNS TRIGGER AS $$
--
-- BEGIN
-- NEW.imie := UPPER(NEW.imie);
-- NEW.nazwisko := UPPER(NEW.nazwisko);
-- RETURN NEW;
-- END;
-- $$ LANGUAGE PLPGSQL;
--
-- CREATE TRIGGER UPPER_NAMES BEFORE INSERT on PRACOWNICY
-- FOR EACH ROW EXECUTE PROCEDURE UPPER_NAMES_FUN();
--
-- insert into pracownicy values(10, 'Jan', 'Kowalski', 'Poznan', 100);
-- select * from pracownicy where id_pracownika=10;
--MY ŻYDZI MAMY DAR OD SZATANA POZWALAJĄCY ROZWIĄZYWAĆ ZADANIA Z SQL
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