protected override Expression VisitConstant(ConstantExpression node)
{
// Database
//
// This combination is not possible (anymore) for async queries. Also: EntityQueryable<> is an internal API
// if (node.Type.IsGenericType && node.Type.GetGenericTypeDefinition() == typeof(EntityQueryable<>)) // For example: Query.Where(item => item.Id == 3);
// {
// DatabaseEnumList.Add(DatabaseEnum.Database);
// }
// MemorySingleton
if (node.Value?.GetType().BaseType == typeof(EnumerableQuery))
{
var enumerable = node.Value.GetType().GetField("_enumerable", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(node.Value);
if (enumerable is IListRow)
{
DatabaseMemoryInternal databaseMemory = ((IListRow)enumerable).DatabaseMemory;
if (databaseMemory == DatabaseMemoryInternal.Instance)
{
DatabaseEnumList.Add(DatabaseEnum.Memory);
}
}
}
return(base.VisitConstant(node));
}
protected override Expression VisitConstant(ConstantExpression node)
{
// Database
if (node.Type.IsGenericType && node.Type.GetGenericTypeDefinition() == typeof(EntityQueryable <>))
{
DatabaseEnumList.Add(DatabaseEnum.Database);
}
// MemorySingleton
if (node.Value?.GetType().BaseType == typeof(EnumerableQuery))
{
var enumerable = node.Value.GetType().GetField("_enumerable", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(node.Value);
if (enumerable is IListRow)
{
DatabaseMemoryInternal databaseMemory = ((IListRow)enumerable).DatabaseMemory;
if (databaseMemory == DatabaseMemoryInternal.Instance)
{
DatabaseEnumList.Add(DatabaseEnum.MemorySingleton);
}
}
}
return(base.VisitConstant(node));
}
