Re: how to found a variable is in a aggregation or not?

so this code is little bit ugly

you can write faster code

create or replace function anytest(val text)
returns boolean as $$
begin
return val in ('hello', 'world','test');
end;
$$ language plpgsql immutable strict;

Pavel

2008/7/15 Yi Zhao <yi(dot)zhao(at)alibaba-inc(dot)com>:
> I want to check a variable is in a aggregattion or not, so I create a
> function as below:
>
> create or replace function anytest(val text) returns boolean as $$
> begin
> perform 1 where quote_literal(val) in ('hello', 'world', 'test');
> if not found then
> return false;
> else
> return true;
> end if;
> end;
> $$ language plpgsql;
>
> but when I used, I got the result below, why?
>
> test=# select anytest('world111');
> anytest
> ---------
> f
> (1 row)
>
> test=# select anytest('world');
> anytest
> ---------
> f
> (1 row)
>
>
> any help is appreciated.
>
> regards,
> Zy
>
>
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