Re: Add system column support to the USING clause - Mailing list pgsql-hackers

From Denis Garsh
Subject Re: Add system column support to the USING clause
Date
Msg-id 1356f2c2-d958-4177-b34b-a9f29ff1e125@arenadata.io
Whole thread Raw
In response to Re: Add system column support to the USING clause  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
If we are not going to implement this functionality, maybe it’s worth 
adding an explicit description to the 
[documentation](https://www.postgresql.org/docs/current/queries-table-expressions.html)? 
A note like: "JOIN USING doesn’t support system columns. If you need to 
join tables by a system column, use the JOIN ON clause."

-- 
Best regards,
Denis Garsh,
C Developer,
d.garsh@arenadata.io




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