On Mon, 7 Dec 2020 at 07:48, PG Bug reporting form <noreply(at)postgresql(dot)org>
wrote:
>
> Unable to generate the model because of the following exception:
> 'System.Data.Entity.Core.EntityCommandExecutionException: An error occurred
> while executing the command definition. See the inner exception for
> details.
> ---> Npgsql.PostgresException: 42703: column ad.adsrc does not exist
>
> The column pg_attrdef.adsrc was removed in postgres 12. You are probably
using an outdated Npgsql [1].
[1] https://github.com/npgsql/EntityFramework6.Npgsql/issues/138
--
Euler Taveira http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services