The following query:
SELECT * FROM `objects` WHERE (date_field BETWEEN \'2010-09-29 10:15:55\' AND \'2010-01-30 14:15:55\')
returns nothin
Just Cast date_field as date
SELECT * FROM `objects` WHERE (cast(date_field as date) BETWEEN '2010-09-29' AND '2010-01-30' )