On Friday, February 1, 2013 4:58:28 AM UTC-6, 吴玉宏 wrote:
> posted_at.cast(Date) works perfectly ,:-)
>
More DRY and flexible:
1.9.3p362 :001 > DB[:transactions].select_group{convert(varchar(10),
posted_at, 120).as(:post_date)}
=> #<Sequel::Mock::Dataset: "SELECT convert(varchar(10), posted_at, 120)
AS post_date FROM transactions GROUP BY convert(varchar(10), posted_at,
120)">
1.9.3p362 :002 >
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