CREATE OR REPLACE FUNCTION test_repl(x character varying)
RETURNS character varying AS
$BODY$
DECLARE
ret_var varchar(4000);
a record;
begin
ret_var := x;
for a in select * from lookup
loop
ret_var := replace(ret_var,a.code,a.codeword);
end loop;
return ret_var;
END;
$BODY$
LANGUAGE 'plpgsql' VOLATILE
COST 100;
ALTER FUNCTION test_repl(character varying) OWNER TO postgres;
On Tue, Nov 23, 2010 at 3:07 PM, Pavel Stehule
<pavel.stehule@gmail.com> wrote:
Hello
please, can you send a source code of your function?
Regards
Pavel Stehule
2010/11/23 akp geek <akpgeek@gmail.com>:
> Dear all -
> I am having trouble with replace function inside a function.
> If I do the same replace function outside it works fine, Following example
> clearly explains my problem. Can you please help?
>
> create table str_table
> ( mystr varchar(1000));
> insert into str_table values ( 'This road is INDEFLY CLSD');
> insert into str_table values('That is INDEFLY open');
> insert into str_table values('That is a CLSD road');
>
> select * from str_table;
> create table lookup
> ( code varchar(100),
> codeword varchar(100));
>
> insert into lookup values( 'INDEFLY','indefinitely');
> insert into lookup values( 'CLSD','closed');
> select 'This road is INDEFLY CLSD', test_repl('This road is INDEFLY CLSD
> INDEFLY') replaced_str
> from str_table;
> RESULT SET " This road is INDEFLY CLSD;This road is indefinitely closed
> INDEFLY "
> Regards
