Re: tab_to_sting - Mailing list pgsql-general

On 07/24/2014 07:22 AM, Ramesh T wrote:

SELECT
qa.tab_to_largestringcheck(cast(array_agg(part_id)as
t_varchar2_tab),':')FROM qa.part

when i replace string_agg it's return does not exit,

My guess is if you look at the error message it is complaining about the type of argument passed in.

Please show us the actual error message if that is not the case.

need to enable string_agg ..?i think is predefined right

From psql:


production=# SELECT version();
                                                           version
-----------------------------------------------------------------------------------------------------------------------------
 PostgreSQL 9.3.4 on i686-pc-linux-gnu, compiled by gcc (SUSE Linux) 4.7.2 20130108 [gcc-4_7-branch revision 195012], 32-bit
(1 row)

production=# \df string_agg
                            List of functions
   Schema   |    Name    | Result data type | Argument data types | Type
------------+------------+------------------+---------------------+------
 pg_catalog | string_agg | bytea            | bytea, bytea        | agg
 pg_catalog | string_agg | text             | text, text          | agg
(2 rows)



--
Adrian Klaver
adrian.klaver@aklaver.com