public ValueTask <IQueryable> Visit(ExecuteDistinctStage executeDistinctStage)
{
Debug.Assert(queryable != null);
var distinctExecutor = _distinctExecutorFactory.GetDistinctExecutor(executeDistinctStage);
return(distinctExecutor.Execute(queryable, executeDistinctStage));
}
public IDistinctExecutor GetDistinctExecutor(ExecuteDistinctStage executeDistinctStage)
{
if (!executors.TryGetValue(executeDistinctStage.Type, out var executor))
{
var t = typeof(DefaultDistinctExecutor <>).MakeGenericType(executeDistinctStage.Type);
executor = (IDistinctExecutor)Activator.CreateInstance(t);
executors.Add(executeDistinctStage.Type, executor);
}
return(executor);
}
public override ValueTask <IQueryable <Entity> > ExecuteDistinct(IQueryable <Entity> queryable, ExecuteDistinctStage executeDistinctStage)
{
return(new ValueTask <IQueryable <Entity> >(queryable.Distinct()));
}
public abstract ValueTask <IQueryable <Entity> > ExecuteDistinct(IQueryable <Entity> queryable, ExecuteDistinctStage executeDistinctStage);
public async ValueTask <IQueryable> Execute(IQueryable queryable, ExecuteDistinctStage executeDistinctStage)
{
return(await ExecuteDistinct((IQueryable <Entity>) queryable, executeDistinctStage));
}
