[GENERAL] create function syntax error

[gustavo halperin]

Hello

I Always get "syntax error" for every function that I try to create, for 
example:
   mydb'>create or replace function f_sum () returns void as '
   mydb'> select 2+2;
   mydb'>  ' LANGUAGE plpgsql;
   ERROR:  syntax error at or near "select" at character 56
   LINE 2: select 2+2;
       ^
What its the problem ??
  Thank you,
        Gustavo

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