public override async Task <IQueryNode> AcceptAsync(IQueryNode node, IQueryVisitorContext context)
{
var rootResolver = context.GetRootAliasResolver();
if (rootResolver != null)
{
if (node is GroupNode)
{
node.SetAliasResolver(rootResolver);
}
else
{
throw new InvalidOperationException("Node must be GroupNode.");
}
}
await node.AcceptAsync(this, context).ConfigureAwait(false);
return(node);
}
