[GENERAL] Suppress output from function?

[Ron St-Pierre]

Whenever I run certain functions, such as the example below, the output 
is either displayed in the terminal or emailed to be by cron, depending 
on how I run it.  Is there any way I can re-write the function, set some 
psql parameters, etc, to ensure that the results aren't displayed?  I've 
checked some of the postgresql.conf logging properties and running psql 
with quiet = true, but all to no avail.  Anyone have any suggestions, 
hints, ?

  CREATE TYPE employeeType AS (empID INTEGER, updateDate DATE, bDate 
INTEGER, val1 NUMERIC, val2 NUMERIC, val3 NUMERIC, val4 NUMERIC, favNum 
NUMERIC);

  CREATE OR REPLACE FUNCTION updateEmployeeData() RETURNS SETOF 
employeeType AS '
      DECLARE
          rec     RECORD;
      BEGIN
          FOR rec IN SELECT empID, updateDate, bDate, val1, val2 , 
val3, val4, favNum FROM newData LOOP
              RETURN NEXT rec;
              UPDATE currentData SET val1=rec.val1, val2=rec.val2, 
val3=rec.val2, val4=rec.val4, favNum=rec.favNum, updateDate=rec.updateDate
              WHERE empID=rec.empID;
          END LOOP;
          RETURN;
      END;
  ' LANGUAGE 'plpgsql';

SELECT * FROM updateEmployeeData();

Thanks
Ron
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