amvis wrote in post #1043961:
My database(PostgreSQL) have some amount of data, so i need to retrieve
the
data for current date only.But my doubt is how to compare the today date
with created_at field. Now am trying so many ways to find that.

Is this correct way * where created_at BETWEEN '2012-01-16
00:00:00.00000'
AND '2012-01-17 00:00:00.00000'...?*
Answer by example:

$ rails console
1.9.3-p0 :001 > today = Date.today
=> Fri, 03 Feb 2012
1.9.3-p0 :002 > tomorrow = Date.today + 1.day
=> Sat, 04 Feb 2012
1.9.3-p0 :003 > orders = Order.where(:created_at => today...tomorrow)
Order Load (0.7ms) SELECT "orders".* FROM "orders" WHERE
("orders"."created_at" >= '2012-02-03' AND "orders"."created_at" <
'2012-02-04')

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postedFeb 3, '12 at 5:16p
activeFeb 3, '12 at 7:58p
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