On Tue, May 20, 2008 at 5:34 AM, Sam Mason <[EMAIL PROTECTED]> wrote:
> On Mon, May 19, 2008 at 03:36:39PM -0600, Scott Marlowe wrote: > > On Mon, May 19, 2008 at 4:51 AM, jrivero <[EMAIL PROTECTED]> wrote: > > > My problem is not that make update query. > > > > > >> update table set date=(select year || '-' || month || '-' || day || ' > 01:00:00' as newdate from table) > > > > Cast the output of those concatenations to date: > > > > update table set date=(select (year || '-' || month || '-' || day || ' > > 01:00:00')::date as newdate from table) > > I'd guess the OP doesn't want the sub-query, if he posted the error > message we'd know for sure. I'd guess something like: > > update table set date=(year||'-'||month||'-'||day||'01:00:00')::date; That'd be my guess too. OP's subquery is possibly returning more than one row, and hence an error. > > If the "date" column really is of date type, then the final > "||'01:00:00'" is somewhat superfluous. > -- [EMAIL PROTECTED] [EMAIL PROTECTED] gmail | hotmail | indiatimes | yahoo }.com EnterpriseDB http://www.enterprisedb.com Mail sent from my BlackLaptop device