This looks like something that should be addressed. Was it?
[Charset iso-8859-1 unsupported, filtering to ASCII...]
> Jan Wieck ha scritto:
>
> > > Hi all,
> > >
> > > I'm trying numeric & decimal types in v6.5beta1 and I have two questions
> > > about it.
> > >
> > > [...]
> > >
> > > Second question:
> > > Why PostgreSQL allows to insert 14 digits into a numeric(5,1) ?
> > >
> > > create table test(
> > > n numeric(10,3),
> > > d decimal(5,1)
> > > );
> >
> > For some reason (dunno why) the parser ignores the precision
> > for DECIMAL. atttypmod is set hardcoded to -1. So the above
> > is identical to a
> >
> > CREATE TABLE test (n numeric(10,3), d decimal);
> >
> > I'll test what happens if I enable it in gram.y and if it
> > doesn't break any regression commit the changes.
> >
> > Jan
> >
>
> Great!
> I have other questions about NUMERICs:
>
> > create table test(
> > num0 numeric,
> > num1 numeric(1),
> > num4 numeric(4,1)
> > );
> > CREATE
> > insert into test values (11111111,11111111,-9,9,-999.99,-999.99);
> > INSERT 78190 1
> > select * from test;
> > num0|num1| num4
> > ---------------+----+-------
> > 11111111.000000| 9|-1000.0
> > ^^^^^^ ^^^^^^^
>
> - I don't understand this default:
> NUMERIC without size is interpreted as NUMERIC(x,6). Why ?
> Standard SQL92 says that NUMERIC without size is equivalent to NUMERIC(1)
>
> - NUMERIC(4,1) transalte value -999.99 as -1000.0 (greater than his size)
>
> Comments?
>
> Jos_
>
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