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Kent Roberts wrote:
> I have a simple SP that is selecting rows based on a date range using 
> parameters. I've tried several permutations that all return 0 rows.
> 
> The select statement looks like this:
> 
> select * from 'mit_log'.'mitlog' where StartDateTime between '2005-04-01' and 
> '2005-04-07'
> 
> and returns over 300,000 rows. The SP looks like this:
> 
> -----------------------------------------------------------------------------------------------------------------
> DELIMITER $$
> 
> DROP PROCEDURE IF EXISTS `mit_logs`.`spPatientsLikeUsersByDate`$$
> 
> Create procedure `mit_logs`.`spUsingDateRange`(begDate datetime, endDate 
> datetime)
> BEGIN
> SELECT *
> FROM mitlog
> WHERE (mitlog.StartDateTime between @begDate And  @endDate);

Kent,

If you prefix things with @, they are session variables. You want
something like the following, I believe:

Create procedure `mit_logs`.`spUsingDateRange`(begDate datetime, endDate
datetime)
 BEGIN
 SELECT *
 FROM mitlog
 WHERE (mitlog.StartDateTime between begDate And  endDate);

        -Mark


- --
Mark Matthews
MySQL AB, Software Development Manager - Connectivity
www.mysql.com
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