Re: Why I cannot call a function from within an SQL function?

Hi Ho!

Sorry, let me revise the query a bit. I copied and pasted the original one from another big query.

--- On Fri, 2/20/09, Eus <eus@member.fsf.org> wrote:

> The following query works well:

select count (*)
from item_audit as ia
where audit_ts >= '2008-05-30 00:00:00'
       and audit_ts <= '2008-10-30 00:00:00'
       and 'wst' != (select split_part(category, '-', 2)
                     from description
                     where split_part(category, '-', 1) = 'item'
                           and shorthand = ia.status
                    )

> But, when I transform it into the following SQL function,
> the function cannot be created barking:
>
>  ERROR:  syntax error at or near "-"
>  LINE 6:        and $1 != (select split_part(category,
> '-', 2)"
>
>  create or replace function get_I(text, timestamp,
> timestamp) returns bigint as
> 'select count (*)
>  from item_audit as ia
>  where audit_ts >= $2
>        and audit_ts <= $3
>        and $1 != (select split_part(category, '-',
> 2)
>                   from description
>                   where split_part(category, '-',
> 1) = 'item'
>                         and shorthand = ia.status
>                  )
> ' language sql;
>
> What's wrong?
>
> Thank you.

Best regards,
Eus (FSF member #4445)

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