public override void Visit(ExistsNode node, IQueryVisitorContext context)
{
var validationInfo = context.GetValidationInfo();
string field = null;
if (!String.IsNullOrEmpty(node.Field))
{
field = String.Equals(validationInfo.QueryType, QueryType.Query) ? node.GetFullName() : node.Field;
if (!field.StartsWith("@"))
{
validationInfo.ReferencedFields.Add(field);
}
}
AddOperation(validationInfo, "exists", field);
}
public static QueryBase GetDefaultQuery(this ExistsNode node, IQueryVisitorContext context)
{
return(new ExistsQuery {
Field = node.GetFullName()
});
}