private LucQuery()
{
TraceInfo = new QueryTraceInfo();
}
private static InnerQueryResult ExecuteInnerScript(string src, int top, int skip,
IEnumerable <SortInfo> sort, FilterStatus enableAutofilters, FilterStatus enableLifespanFilter,
QuerySettings settings, bool enableProjection, out int count, out QueryTraceInfo traceInfo)
{
LucQuery query;
try
{
query = LucQuery.Parse(src);
}
catch (ParserException ex)
{
throw new InvalidContentQueryException(src, innerException: ex);
}
var projection = query.Projection;
if (projection != null)
{
if (!enableProjection)
{
throw new ApplicationException(String.Format("Projection in top level query is not allowed ({0}:{1})", Parser.SnLucLexer.Keywords.Select, projection));
}
}
if (skip != 0)
{
query.Skip = skip;
}
if (top != 0)
{
query.PageSize = top;
}
else
if (query.PageSize == 0)
{
query.PageSize = GetDefaultMaxResults();
}
if (sort != null && sort.Count() > 0)
{
query.SetSort(sort);
}
if (enableAutofilters != FilterStatus.Default)
{
query.EnableAutofilters = enableAutofilters;
}
if (enableLifespanFilter != FilterStatus.Default)
{
query.EnableLifespanFilter = enableLifespanFilter;
}
//Re-set settings values. This is important for NodeList that
//uses the paging info written into the query text.
if (settings != null)
{
settings.Top = query.PageSize;
settings.Skip = query.Skip;
}
InnerQueryResult result;
var qresult = query.Execute().ToList();
if (projection == null || !enableProjection)
{
var idResult = qresult.Select(o => o.NodeId).ToArray();
result = new InnerQueryResult {
IsIntArray = true, IntArray = idResult, StringArray = idResult.Select(i => i.ToString()).ToArray()
};
}
else
{
var stringResult = qresult.Select(o => o[projection, false]).Where(r => !String.IsNullOrEmpty(r));
var escaped = new List <string>();
foreach (var s in stringResult)
{
escaped.Add(EscapeForQuery(s));
}
result = new InnerQueryResult {
IsIntArray = false, StringArray = escaped.ToArray()
};
}
traceInfo = query.TraceInfo;
count = query.TotalCount;
return(result);
}