Re: case stement when null

--- Jaime Casanova <__> wrote:
> hi all,
> 
> Well i rethink my design 'cause the other was too slow. but all
> solutions 
> involves new problems... now my problem is with a function of this
> type:
> 
> 
> CREATE OR REPLACE FUNCTION
> "public"."rec_f_consultarplanificacionrubros" 
> (smallint, smallint, char(9), smallint, smallint, smallint, char(2))
> RETURNS 
> SETOF "public"."rec_td_rubrosplanificados" AS '
>     select rub_codigo, cpa_valor, cpa_fechavencimiento
>          from rec_m_cuadropagosciclo
>         where ent_codigo = $1
>           and sec_codigo = $2
>           and ani_codigo = $3
>           and case $4
>                    when null then cic_codigo IN (select cic_codigo
> from 
> aca_m_cicloaniolectivo
>                                                         where
> ent_codigo = 
> $1
>                                                           and
> sec_codigo = 
> $2
>                                                           and
> ani_codigo = 
> $3)
>                    else cic_codigo = $4
>               end
> ' LANGUAGE 'sql'
> 
> but when $4 is null the function executes the else part and what i
> want to 
> do is to execute the when null. Can you help me???

try the form:

case when $4 is null   then cic_codigo IN        (select cic_codigo           from aca_m_cicloaniolectivo
whereent_codigo = $1 and                sec_codigo = $2 and                ani_codigo = $3)   else cic_codigo = $4
 
end

[]

regards,



=====
Riccardo G. Facchini