[GENERAL] tab_to_sting

[Ramesh T]

Hi,

        SELECT hr.tab_to_largestring(CAST(COLLECT(cust_name) AS
t_varchar2_tab)) AS employees
    FROM   hr.customer

when i run function for  table column values  to single row function name
is hr.tab_to_largestring

this code from oracle


it return like  function collect(character varying) does not exit

please let me know in postgres collect () key is thier..?


and how to run this function..?