public async Task <IEnumerable <Action> > CompareAsync(IDbConnection connection)
{
Stopwatch = Stopwatch.StartNew();
var schemaTables = await CommandProvider.GetSchemaTablesAsync(connection, ExcludeSchemas);
var schemaColumns = await CommandProvider.GetSchemaColumnsAsync(connection, ExcludeSchemas);
var results = Compare(schemaTables, schemaColumns);
Stopwatch.Stop();
return(results);
}