public override void VisitSelectClause(SelectClause selectClause, QueryModel queryModel)
{
var visitor = new LiteCoreSelectExpressionVisitor(queryModel.BodyClauses.Count > 1);
visitor.Visit(selectClause.Selector);
_query["WHAT"] = visitor.GetJsonExpression();
SelectResult = visitor.SelectResult;
base.VisitSelectClause(selectClause, queryModel);
}
protected override Expression VisitNewArray(NewArrayExpression node)
{
SelectResult = new SelectResultListContainer(node.Type.GetElementType());
foreach (var expr in node.Expressions)
{
Visit(expr);
}
return(node);
}
protected override Expression VisitNew(NewExpression node)
{
SelectResult = new SelectResultAnonymousContainer(node.Constructor);
foreach (var expr in node.Arguments)
{
Visit(expr);
}
return(node);
}
private unsafe T GetCurrent <T>(ISelectResultContainer resultContainer)
{
if (resultContainer != null)
{
resultContainer.Populate(_queryEnum->columns, _db.SharedStrings);
return((T)resultContainer.Results);
}
else
{
var val = Native.FLArrayIterator_GetValueAt(&_queryEnum->columns, 0);
using (var reader = new JsonFLValueReader(val, _db.SharedStrings)) {
var serializer = JsonSerializer.CreateDefault();
return(serializer.Deserialize <T>(reader));
}
}
}
