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From:Dan Nelson Date:November 12 2008 4:12pm
Subject:Re: Row before and after?
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In the last episode (Nov 12), Waynn Lue said:
> I'm trying to find the first row before and the first row after a specific
> row.  Essentially I want to do these two queries, and get each row.
> 
> SELECT * FROM Users WHERE UserId = <userId> ORDER BY UserId DESC LIMIT 1;
> SELECT * FROM Users WHERE UserId = <userId> ORDER BY UserId LIMIT 1;
> 
> Is there any way to combine this into one query?  OFFSET doesn't allow a
> negative number, which is essentially what I want.

How about joining them with a UNION?  Two queries for the round-trip
cost of one!

-- 
	Dan Nelson
	dnelson@stripped
Thread
Row before and after?Waynn Lue12 Nov
  • Re: Row before and after?Waynn Lue12 Nov
    • Re: Row before and after?Micah Stevens12 Nov
      • Re: Row before and after?Peter Brawley12 Nov
  • RE: Row before and after?Jerry Schwartz12 Nov
  • Re: Row before and after?Dan Nelson12 Nov
    • Re: Row before and after?Waynn Lue16 Nov