On Thu, Feb 10, 2022 at 06:25:45PM +0100, Peter J. Holzer wrote: > On 2022-02-10 18:22:29 +0100, Peter J. Holzer wrote: > > On 2022-02-09 21:14:39 -0800, Guyren Howe wrote: > > > • SELECT * - b.a_id from a natural join b > > > □ let me describe a select list by removing fields from a relation. In > > > the example, I get all fields in the join of a and b other than the > > > shared key, which I only get once. > > > > Natural join already does this. > > > > My use case for such a feature are tables which contain one column (or a > > small number of columns) which you usually don't want to select: A bytea > > column or a very wide text column. In a program I don't mind (in fact I > > prefer) listing all the columns explicitely, but exploring a database > > interactively with psql typing lots of column names is tedious > > (especially since autocomplete doesn't work here). > > Forgot to add: I think that the syntax would have to be more explicit. > It's too easy to mix up > SELECT * - b.a_id FROM ... > and > SELECT *, - b.a_id FROM ... > > Maybe > SELECT * EXCEPT b.a_id FROM ... Yes, this was proposed on hackers a few months ago and a patch was proposed: https://www.postgresql.org/message-id/flat/892708.1634233481%40sss.pgh.pa.us#1f17923ad50a1442867162991c54ead9 The last post was from October of 2021 so you can email the author to ask about its status. -- Bruce Momjian <bruce@xxxxxxxxxx> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.
