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efcorecolumnorder's Issues

HasColumnOrder is not respected

Hello, I tried your solution, but unfortunately it does not work.

I added the code from your project, then call the HasColumnOrder(100) on desired property in abstract class, but it is not honored.

Created migration file does not honor column order and subsequent Update-Database creates the database with same ordering..

Do you have any idea? Thanks

HasColumnOrder for EF Core 5.0 (preview 7)

Hello!

I've been trying to adapt the solution for EF Core 5, but they seem to have rearranged the internals a lot, so the old approach no longer works. The MigrationsAnnotationProvider class/interface no longer includes the IEnumerable<IAnnotation> For(IProperty property) method, and I'm totally lost at finding where this logic has been moved to.
For now, I've created this ugly code, which works:

public class CustomNpgsqlAnnotationProvider : NpgsqlAnnotationProvider
{
    public CustomNpgsqlAnnotationProvider(RelationalAnnotationProviderDependencies dependencies)
        : base(dependencies)
    {
    }

    public override IEnumerable<IAnnotation> For(IColumn column)
    {
        var baseAnnotations = base.For(column);
        var orderAnnotations = column
                               .PropertyMappings
                               .Select(x => x.Property.FindAnnotation(AnnotationNames.ColumnOrder))
                               .Where(x => x?.Value != null)
                               .OrderBy(x => (int)x.Value);
        return baseAnnotations.Concat(orderAnnotations);
    }
}

But that doesn't look too nice. So I just thought maybe you have figured this out already or something? :)

Doesn't work with MySql DB

I tried to use this with MySql DB but it didn't work. This is the error I get when I run the update:

System.InvalidOperationException: The current migration SQL generator 'CustomSqlServerMigrationsSqlGenerator' is unable to generate SQL for operations
of type 'Microsoft.EntityFrameworkCore.Migrations.Operations.MySqlCreateDatabaseOperation'.
   at Microsoft.EntityFrameworkCore.Migrations.MigrationsSqlGenerator.Generate(MigrationOperation operation, IModel model, MigrationCommandListBuilder
builder)
   at Microsoft.EntityFrameworkCore.Migrations.MigrationsSqlGenerator.Generate(IReadOnlyList`1 operations, IModel model)
   at Pomelo.EntityFrameworkCore.MySql.Storage.Internal.MySqlDatabaseCreator.CreateCreateOperations()
   at Pomelo.EntityFrameworkCore.MySql.Storage.Internal.MySqlDatabaseCreator.Create()
   at Microsoft.EntityFrameworkCore.Migrations.Internal.Migrator.Migrate(String targetMigration)
   at Pomelo.EntityFrameworkCore.MySql.Migrations.Internal.MySqlMigrator.Migrate(String targetMigration)
   at Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.UpdateDatabase(String targetMigration, String contextType)
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.UpdateDatabaseImpl(String targetMigration, String contextType)
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.UpdateDatabase.<>c__DisplayClass0_0.<.ctor>b__0()
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action)
The current migration SQL generator 'CustomSqlServerMigrationsSqlGenerator' is unable to generate SQL for operations of type 'Microsoft.EntityFrameworkCore.Migrations.Operations.MySqlCreateDatabaseOperation'.

I've done everything in the provided sample but it seems like this only support MSSQL?

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