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Description
Steps to reproduce
Open connection at PostgreSQL 9.0 version.
The issue
When I open a connection in the PostgreSQL 9.0 version, Npgsql loads the enumeration information since version 8.3, but in the PostgresSQL 9.0 version the column 'enumsortorder' does not yet exist, as it is only available in the next version (9.1).
Exception message: 42703: column"enumsortorder" does not exists
Stack trace:
` at Npgsql.NpgsqlConnector.<>c__DisplayClass161_0.<<ReadMessage>g__ReadMessageLong|0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Npgsql.NpgsqlConnector.<>c__DisplayClass161_0.<<ReadMessage>g__ReadMessageLong|0>d.MoveNext() in C:\projects\npgsql\src\Npgsql\NpgsqlConnector.cs:line 1032
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.NpgsqlDataReader.<NextResult>d__46.MoveNext() in C:\projects\npgsql\src\Npgsql\NpgsqlDataReader.cs:line 444
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.NpgsqlDataReader.NextResult() in C:\projects\npgsql\src\Npgsql\NpgsqlDataReader.cs:line 340
at Npgsql.PostgresDatabaseInfo.<LoadBackendTypes>d__11.MoveNext() in C:\projects\npgsql\src\Npgsql\PostgresDatabaseInfo.cs:line 253
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.PostgresDatabaseInfo.<LoadPostgresInfo>d__3.MoveNext() in C:\projects\npgsql\src\Npgsql\PostgresDatabaseInfo.cs:line 72
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.PostgresDatabaseInfoFactory.<Load>d__0.MoveNext() in C:\projects\npgsql\src\Npgsql\PostgresDatabaseInfo.cs:line 43
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.NpgsqlDatabaseInfo.<Load>d__79.MoveNext() in C:\projects\npgsql\src\Npgsql\NpgsqlDatabaseInfo.cs:line 250
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.NpgsqlConnector.<LoadDatabaseInfo>d__150.MoveNext() in C:\projects\npgsql\src\Npgsql\NpgsqlConnector.cs:line 466
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.NpgsqlConnector.<Open>d__149.MoveNext() in C:\projects\npgsql\src\Npgsql\NpgsqlConnector.cs:line 455
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.ConnectorPool.<AllocateLong>d__19.MoveNext() in C:\projects\npgsql\src\Npgsql\ConnectorPool.cs:line 298
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.NpgsqlConnection.<>c__DisplayClass32_0.<<Open>g__OpenLong|0>d.MoveNext() in C:\projects\npgsql\src\Npgsql\NpgsqlConnection.cs:line 318
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Npgsql.NpgsqlConnection.Open() in C:\projects\npgsql\src\Npgsql\NpgsqlConnection.cs:line 153
at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenDbConnection(Boolean errorsExpected)
at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.Open(Boolean errorsExpected)
at Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable`1.Enumerator.BufferlessMoveNext(DbContext _, Boolean buffer)
at Npgsql.EntityFrameworkCore.PostgreSQL.Storage.Internal.NpgsqlExecutionStrategy.Execute[TState,TResult](TState state, Func`3 operation, Func`3 verifySucceeded) in C:\projects\EFCore.PG\src\EFCore.PG\Storage\Internal\NpgsqlExecutionStrategy.cs:line 60
at Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable`1.Enumerator.MoveNext()
at Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.<_TrackEntities>d__17`2.MoveNext()
at Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.ExceptionInterceptor`1.EnumeratorExceptionInterceptor.MoveNext()
at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
at MicroSalesPainel.Negocio.ProgTerceirizadoNegocio.<GerarDados>d__4.MoveNext() in C:\Projeto\Painel\MicroSalesPainel.Negocio\ProgTerceirizadoNegocio.cs:line 65`
Further technical details
Npgsql version: 4.1.0
PostgreSQL version: 9.0.23
Operating system: Windows 10 x64
Other details about my project setup:
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