Re: CTE or Subselect and outer joins not behaving as expected?

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От Joel Stevenson
Тема Re: CTE or Subselect and outer joins not behaving as expected?
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Msg-id 3F900D3A-B43A-4FBD-870B-88FB6C8E875D@bepress.com
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Ответ на Re: CTE or Subselect and outer joins not behaving as expected?  (Harald Fuchs <hari.fuchs@gmail.com>)
Список pgsql-sql
Ah, yes!  Thanks for the help.

On Oct 25, 2011, at 5:42 AM, Harald Fuchs wrote:

> Joel Stevenson <jstevenson@bepress.com> writes:
>
> Your WHERE clause turns the OUTER into an INNER JOIN.  Try
>
> select tally_table.tally_mon, met.datum
> from (
>   select distinct date_trunc( 'month', '2011-06-01'::date + tally_day )::date as tally_mon
>   from generate_series( 0, ( select current_date - '2011-06-01'::date ) ) as tally_day
> ) as tally_table
> left join my_existing_table as met on tally_mon = met.month and met.series = 1;



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