Re: retrieve row number

am Fri, dem 01.12.2006, um 8:31:41 +0200 mailte Pascal Tufenkji folgendes:
> Hi,
>
>
>
> Can I retrieve the row number in a select statement?
> For example : if I have the following table ?foo?
> I should obtain the following result :
>
>
>
> row_number | col1 | col2
> -----------+------+-----
> 1 | a | x
> 2 | b | y
> 3 | c | z

test=> create temporary sequence tmp_seq;
CREATE SEQUENCE
test=*> select nextval('tmp_seq') as row_number, col1, col2 from foo;
row_number | col1 | col2
------------+------+------
1 | a | x
2 | b | y
3 | c | z
(3 rows)

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Andreas Kretschmer
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