Jaime Casanova <systemguards(at)yahoo(dot)com> writes:
> --- Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> escribi:
>> if/then/else is a statement, not a component of an
>> expression.
>> CASE is an expression construct, not a statement. I
>> think
>> you need to rewrite the CASE as an if/then/elsif
>> statement.
> I will try but this work in v7.4.2 that's why i think
> is an error.
It most certainly did not work in 7.4.2, or any other PG release.
plpgsql doesn't have a CASE statement.
regards, tom lane