Ormlite AddAttribute Issue

ormlite-add-attr-issue.csx

#!/usr/bin/env dotnet-script

#r "nuget: ServiceStack.OrmLite.Sqlite, 5.8.0"
#r "nuget: ServiceStack.Server, 5.8.0"

using ServiceStack;
using ServiceStack.Auth;
using ServiceStack.Configuration;
using ServiceStack.DataAnnotations;
using ServiceStack.OrmLite;

// to run this: 
// $ dotnet tool install -g dotnet-script
// $ dotnet script ormlite-attr-issue.csx
// or if in `bash` terminal
// $ ./ormlite-attr-issue.csx

OrmLiteUtils.PrintSql();

var dbFactory = new OrmLiteConnectionFactory(":memory:", SqliteDialect.Provider);

// seems pretty innocent, but has a nasty side-effect that could be hard to track
// down when using dynamic plugin loading for example at startup
var x = typeof(ConfigSetting).GetModelMetadata();

// this call will work because the ModelDefinition has not yet been captured
typeof(ApiKey)
.GetProperty(nameof(ApiKey.Environment))
    .AddAttributes(new StringLengthAttribute(53));

// this call will be IGNORED because the ModelDefinition has already been captured
typeof(ConfigSetting)
.GetProperty(nameof(ConfigSetting.Value))
    .AddAttributes(new StringLengthAttribute(72));

// This approach always works, so is the recommended way
// ModelDefinition<ConfigSetting>.Definition
//     .GetFieldDefinition(nameof(ConfigSetting.Value)).FieldLength = 73;

using(var db = dbFactory.OpenDbConnection())
{
    db.CreateTable<ConfigSetting>();
    db.CreateTable<ApiKey>();
}