<tt>Jan Wieck ha scritto:</tt><blockquote type="CITE"><tt>> Hi all,</tt><br /><tt>></tt><br /><tt>> I'm trying
numeric& decimal types in v6.5beta1 and I have two questions</tt><br /><tt>> about it.</tt><br
/><tt>></tt><br/><tt>> [...]</tt><br /><tt>></tt><br /><tt>> Second question:</tt><br /><tt>> Why
PostgreSQLallows to insert 14 digits into a numeric(5,1) ?</tt><br /><tt>></tt><br /><tt>> create table
test(</tt><br/><tt>> n numeric(10,3),</tt><br /><tt>> d decimal(5,1)</tt><br /><tt>>
);</tt><tt></tt><p><tt> For some reason (dunno why) the parser ignores the precision</tt><br /><tt> for DECIMAL.
atttypmodis set hardcoded to -1. So the above</tt><br /><tt> is identical to a</tt><tt></tt><p><tt> CREATE
TABLEtest (n numeric(10,3), d decimal);</tt><tt></tt><p><tt> I'll test what happens if I enable it in gram.y and
ifit</tt><br /><tt> doesn't break any regression commit the changes.</tt><tt></tt><p><tt>Jan</tt><br
/><tt></tt> </blockquote>Great! <br />I have other questions about NUMERICs: <blockquote type="CITE"><tt>create table
test(</tt><br/><tt> num0 numeric,</tt><br /><tt> num1 numeric(1),</tt><br /><tt> num4
numeric(4,1)</tt><br/><tt>);</tt><br /><tt>CREATE</tt><br /><tt>insert into test values
(11111111,11111111,-9,9,-999.99,-999.99);</tt><br/><tt>INSERT 78190 1</tt><br /><tt>select * from test;</tt><br
/><tt> num0|num1| num4</tt><br /><tt>---------------+----+-------</tt><br /><tt>11111111.000000|
9|-1000.0</tt><br/> ^^^^^^ ^^^^^^^</blockquote> - I don't understand this default: <br />
NUMERIC without size is interpreted as NUMERIC(x,6). Why ? <br /> Standard SQL92 says that NUMERIC without size is
equivalentto NUMERIC(1) <p>- NUMERIC(4,1) transalte value -999.99 as -1000.0 (greater than his size) <p>Comments?
<p>José<br />