Re: getScale() and getPrecision() patch - Mailing list pgsql-jdbc

From Bruce Momjian
Subject Re: getScale() and getPrecision() patch
Date
Msg-id 200105081717.f48HHTK15630@candle.pha.pa.us
Whole thread Raw
In response to getScale() and getPrecision() patch  ("David Esposito" <esposito@newnetco.com>)
List pgsql-jdbc
Is it possible to get a context diff of this patch?  Thanks.


[ Charset ISO-8859-1 unsupported, converting... ]
> With a little bit of hacking, I figured out the internal representation that
> PostGreSQL uses for its precision and scale values ... here's the diff for
> the patch:
>
> \postgresql-7.1\src\interfaces\jdbc\org\postgresql\jdbc2\ResultSetMetaData.j
> ava
>
> [root@TIMDA1 postgresbugfix]# diff ResultSetMetaData.java
> ResultSetMetaData.java-original
> 288,293d287
> <       case Types.NUMERIC:
> <       Field f = getField(column);
> <       if(f != null)
> <               return ((0xFFFF0000)&f.mod)>>16;
> <       else
> <               return 0;
> 325,330d318
> <       case Types.NUMERIC:
> <       Field f = getField(column);
> <       if(f != null)
> <               return (((0x0000FFFF)&f.mod)-4);
> <       else
> <               return 0;
> [root@TIMDA1 postgresbugfix]#
>
>
>
> > -----Original Message-----
> > From: pgsql-jdbc-owner@postgresql.org
> > [mailto:pgsql-jdbc-owner@postgresql.org]On Behalf Of David Esposito
> > Sent: Wednesday, May 02, 2001 12:55 PM
> > To: pgsql-jdbc@postgresql.org
> > Subject: [JDBC] getScale() and getPrecision()
> >
> >
> > Is there a reason that getScale() and getPrecision() both return zero for
> > NUMERIC fields? It seems like this shouldn't be the case. In the example
> > fields below (generated by doing a \d on the table), it would
> > seem like the
> > getScale and Precision methods should return the numbers contained in the
> > parentheses.
> >
> > Or at least that's how the docs seem to read and that's how Oracle does it
> > too ... ;)
> >
> >  catalog_item_id                | numeric(11,0)            | not null
> >  catalog_item_category_id       | numeric(11,0)            | not null
> >  catalog_item_manufacturer_no   | character varying(20)    |
> >  catalog_item_manufacturer_url  | character varying(50)    |
> >  catalog_item_retail_price      | numeric(11,2)            | not null
> >  catalog_item_member_price      | numeric(11,2)            | not null
> >  catalog_item_sellable          | numeric(1,0)             | not null
> >
> > -Dave
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 6: Have you searched our list archives?
> >
> > http://www.postgresql.org/search.mpl
>
>
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--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
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