Re: select date between - PostgreSQL 9.5

On 14 September 2016 at 12:20, Patrick B <patrickbakerbr@gmail.com> wrote:
> I want to select all rows that have been modified from now to 4 months ago.
>
> I've used these queries:
>
>> select
>>         modified_date,
>> from
>>         clients
>> WHERE
>> modified_date BETWEEN '2016-06-13' AND '2016-09-13'
>

Going by my clock here 2016-06-13 was just over 3 months ago, not 4.


>> select
>>         modified_date,
>> from
>>         clients
>> WHERE
>> modified_date >='2016-06-13' AND modified_date < '2016-09-13'
>
>
>
> But it didn't work... it returns 0 rows.... but there are rows to be shown:
>
>
>> select modified_date from clients ORDER BY modified_date ASC
>
>
>
>> modified_date
>> -------------------
>> 2015-07-11 17:23:40
>> 2016-09-13 20:00:51
>> 2016-09-13 20:00:51
>> 2016-09-13 20:00:51
>> 2016-09-13 20:00:51
>
>
>
> What am I doing wrong?

None of those dates are between your specified date range. If you want
to include all of 2016-09-13 timestamps, then you'd better do <
'2016-09-14' since < '2016-09-13' will only cover timestamps on the
12th or before.


--
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services