private static void ValidateLhs(FromReferenceNode lhs)
{
// make sure the lhs is "assignable"...
if (!lhs.IsResolved)
{
throw new NotSupportedException("cannot validate assignablity of unresolved node");
}
if (lhs.DataType.IsCollectionType)
{
throw new QueryException("collections not assignable in update statements");
}
else if (lhs.DataType.IsComponentType)
{
throw new QueryException("Components currently not assignable in update statements");
}
else if (lhs.DataType.IsEntityType)
{
// currently allowed...
}
// TODO : why aren't these the same?
if (lhs.GetImpliedJoin() != null || lhs.FromElement.IsImplied)
{
throw new QueryException("Implied join paths are not assignable in update statements");
}
}
private FromElement EvaluateFromElementPath(string path, string classAlias)
{
FromReferenceNode pathNode = (FromReferenceNode)PathHelper.ParsePath(path, _fromClause.ASTFactory);
pathNode.RecursiveResolve(FromReferenceNode.RootLevel, // This is the root level node.
false, // Generate an explicit from clause at the root.
classAlias,
null
);
if (pathNode.GetImpliedJoin() != null)
{
return(pathNode.GetImpliedJoin());
}
else
{
return(pathNode.FromElement);
}
}
private static void ValidateLhs(FromReferenceNode lhs)
{
// make sure the lhs is "assignable"...
if (!lhs.IsResolved)
{
throw new NotSupportedException("cannot validate assignablity of unresolved node");
}
if (lhs.DataType.IsCollectionType)
{
throw new QueryException("collections not assignable in update statements");
}
else if (lhs.DataType.IsComponentType)
{
throw new QueryException("Components currently not assignable in update statements");
}
else if (lhs.DataType.IsEntityType)
{
// currently allowed...
}
// TODO : why aren't these the same?
if (lhs.GetImpliedJoin() != null || lhs.FromElement.IsImplied)
{
throw new QueryException("Implied join paths are not assignable in update statements");
}
}
