On 29/10/2019 12:05, Peter Eisentraut wrote: > On 2019-10-29 11:47, Vik Fearing wrote: >> When joining tables with USING, the listed columns are merged and no >> longer belong to either the left or the right side. That means they can >> no longer be qualified which can often be an inconvenience. >> >> >> SELECT a.x, b.y, z FROM a INNER JOIN b USING (z); >> >> >> The SQL standard provides a workaround for this by allowing an alias on >> the join clause. (<join correlation name> in section 7.10) >> >> >> SELECT j.x, j.y, j.z FROM a INNER JOIN b USING (z) AS j; >> >> >> Attached is a patch (based on 517bf2d910) adding this feature. > > Is this the same as https://commitfest.postgresql.org/25/2158/ ?
Crap. Yes, it is.