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From:Vikas Shukla Date:August 1 2012 8:51pm
Subject:Re: query help
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Hi,

Use LIMIT 1 to limit the number of output to single record.

Regards,

Vikas Shukla


On Wed, Aug 1, 2012 at 3:56 AM, Paul Halliday <paul.halliday@stripped>wrote:

>  On Tue, Jul 31, 2012 at 7:02 PM, Haluk Karamete <halukkaramete@stripped>
> wrote:
> > I've got a text field called source_recid. It stores half string half
> > number like strings in it.
> >
> > Example
> >
> > shop.orders.32442
> >
> > the syntax is DATABASENAME.TABLENAME.RECID
> >
> > My goal is to scan this col and find out the biggest RECID ( the
> > integer) in it.
> >
> > So, in a case like this
> >
> > shop.orders.32442
> > shop.orders.82000
> > shop.orders.34442
> >
> > It would be the record whose source_recid  is shop.orders.82000. Why?
> Cause
> > 82000 happens to be the largest integer.
> >
> > What SQL statement would get me that record?
> >
> > One option to this is to create a new column ( the_ids ) and move all the
> > integers in it and then run something like this
> >
> > select source_recid from mytable where source_recid like 'shop.orders.%'
> > order by the_ids DESC LIMIT 1
> >
> > Is there a way to pull this off without going thru this step?
>
> Would substring work?
>
> SELECT SUBSTRING(recid, 13, <column size>) AS numbers FROM table ORDER
> BY numbers DESC
>
>
> --
> Paul Halliday
> http://www.pintumbler.org/
>
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>

Thread
query helpHaluk Karamete31 Jul
  • Re: query helpPaul Halliday31 Jul
    • RE: query helpRick James1 Aug
    • Re: query helpVikas Shukla1 Aug
  • Re: query helphsv7 Aug