Hey, I don"t understand the difference between this ORDINALITY option and adding a "row_number() over()" in the SELECT.
Thanks, Cheers, Remi-C 2014-02-06 Vik Fearing <vik.fear...@dalibo.com>: > On 02/06/2014 04:16 AM, Michael Sacket wrote: > > Often times I find it necessary to work with table rows in a specific, > generally user-supplied order. It could be anything really that requires > an ordering that can't come from a natural column. Most of the time this > involved manipulating a position column from the client application. In > any case, I've often found that to be cumbersome, but I think I've come up > with a solution that some of you may find useful. > > > Up until 9.4, that's a good way to do it. > > Starting from 9.4, you can use the WITH ORDINALITY feature. > http://www.postgresql.org/docs/devel/static/sql-select.html > > -- > Vik > >
