[Postgresql] $$ 의미

CREATE OR REPLACE FUNCTION increment(i integer) RETURNS integer AS 
$$
        BEGIN
                RETURN i + 1;
        END;
$$ LANGUAGE plpgsql;

 

Dollar-Quoted String Constants

 

- 함수 정의의 시작과 끝을 알려주는 기호

 

 

 

** https://www.postgresql.org/docs/current/sql-syntax-lexical.html#SQL-SYNTAX-DOLLAR-QUOTING

** https://stackoverflow.com/questions/31285366/what-does-the-mean-in-postgresql-function