Enable global $count query option (even though it shouldn't be needed). Related to #567.

Author: Chris Martinez

samples/aspnetcore/SwaggerODataSample/Startup.cs

@@ -84,6 +84,10 @@ public void Configure( IApplicationBuilder app, IHostingEnvironment env, Version
                     // BUG: https://github.com/OData/WebApi/issues/1837
                     // routeBuilder.SetDefaultODataOptions( new ODataOptions() { UrlKeyDelimiter = Parentheses } );
                     routeBuilder.ServiceProvider.GetRequiredService<ODataOptions>().UrlKeyDelimiter = Parentheses;
+
+                    // global odata query options
+                    routeBuilder.Count();
+
                     routeBuilder.MapVersionedODataRoutes( "odata", "api", modelBuilder.GetEdmModels() );
                 } );
             app.UseSwagger();

samples/webapi/SwaggerODataWebApiSample/Startup.cs

@@ -5,6 +5,7 @@ namespace Microsoft.Examples
     using global::Owin;
     using Microsoft.AspNet.OData;
     using Microsoft.AspNet.OData.Builder;
+    using Microsoft.AspNet.OData.Extensions;
     using Microsoft.AspNet.OData.Routing;
     using Microsoft.Examples.Configuration;
     using Microsoft.OData;
@@ -53,6 +54,9 @@ public void Configuration( IAppBuilder builder )
             };
             var models = modelBuilder.GetEdmModels();
 
+            // global odata query options
+            configuration.Count();
+
             // INFO: while you can use both, you should choose only ONE of the following; comment, uncomment, or remove as necessary
 
             // WHEN VERSIONING BY: query string, header, or media type