Le 14/10/2021 à 22:01, Gavin Flower a écrit : > On 15/10/21 07:01, Josef Šimánek wrote: >> čt 14. 10. 2021 v 13:17 odesílatel Gilles Darold <gil...@migops.com> >> napsal: >>> Hi, >>> >>> >>> Here is a proposal to implement HIDDEN columns feature in PostgreSQL. >>> >>> The user defined columns are always visible in the PostgreSQL. If user >>> wants to hide some column(s) from a SELECT * returned values then the >>> hidden columns feature is useful. Hidden column can always be used and >>> returned by explicitly referring it in the query. >>> >>> I agree that views are done for that or that using a SELECT * is a bad >>> practice >>> but sometime we could need to "technically" prevent some columns to >>> be part >>> of a star expansion and nbot be forced to use view+rules. >> Just to remind here, there was recently a proposal to handle this >> problem another way - provide a list of columns to skip for "star >> selection" aka "SELECT * EXCEPT col1...". >> >> https://postgrespro.com/list/id/d51371a2-f221-1cf3-4a7d-b2242d4da...@gmail.com >> > > [...] > > I feel using EXCEPT would be a lot clearer, no one is likely to be > mislead into thinking that its is a security feature unlike 'HIDDEN'. > Also you know that SELECT * will select all columns. > > If this kind of feature were to be added, then I'd give a +1 to use > the EXCEPT syntax.
I don't think that the EXCEPT syntax will be adopted as it change the SQL syntax for SELECT in a non standard way. This is not the case of the hidden column feature which doesn't touch of the SELECT or INSERT syntax.
