| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Erik Rijkers <er(at)xs4all(dot)nl> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Sergei Kornilov <sk(at)zsrv(dot)org>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Jaime Casanova <jaime(dot)casanova(at)2ndquadrant(dot)com> |
| Subject: | Re: [HACKERS] generated columns |
| Date: | 2019-04-01 08:52:27 |
| Message-ID: | 59e69246-8f32-b3cb-af4c-8c359d4049c7@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 2019-03-31 05:49, Erik Rijkers wrote:
> STORED in a
> file_fdw foreign table still silently creates the column which then
> turns out to be useless on SELECT, with an error like:
>
> "ERROR: column some_column_name is a generated column
> DETAIL: Generated columns cannot be used in COPY."
>
> Maybe it'd be possible to get an error earlier, i.e., while trying to
> create such a useless column?
I'll look into it.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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