private TopDocs ExecuteQuery(Query documentQuery, int start, int pageSize, Sort sort)
{
if (sort == null && _indexHasBoostedFields == false && IsBoostedQuery(documentQuery) == false)
{
if (pageSize == int.MaxValue || pageSize >= _searcher.MaxDoc) // we want all docs, no sorting required
{
var gatherAllCollector = new GatherAllCollector(Math.Min(pageSize, _searcher.MaxDoc));
_searcher.Search(documentQuery, gatherAllCollector, _state);
return(gatherAllCollector.ToTopDocs());
}
var noSortingCollector = new NonSortingCollector(Math.Abs(pageSize + start));
_searcher.Search(documentQuery, noSortingCollector, _state);
return(noSortingCollector.ToTopDocs());
}
var minPageSize = GetPageSize(_searcher, (long)pageSize + start);
if (sort != null)
{
_searcher.SetDefaultFieldSortScoring(true, false);
try
{
return(_searcher.Search(documentQuery, null, minPageSize, sort, _state));
}
finally
{
_searcher.SetDefaultFieldSortScoring(false, false);
}
}
return(_searcher.Search(documentQuery, null, minPageSize, _state));
}
private TopDocs ExecuteQuery(Query documentQuery, int start, int pageSize, Sort sort)
{
if (sort == null && _indexHasBoostedFields == false && IsBoostedQuery(documentQuery) == false)
{
if (pageSize == int.MaxValue) // we want all docs, no sorting required
{
var gatherAllCollector = new GatherAllCollector();
_searcher.Search(documentQuery, gatherAllCollector);
return(gatherAllCollector.ToTopDocs());
}
var noSortingCollector = new NonSortingCollector(Math.Abs(pageSize + start));
_searcher.Search(documentQuery, noSortingCollector);
return(noSortingCollector.ToTopDocs());
}
var absFullPage = Math.Abs(pageSize + start); // need to protect against ridiculously high values of pageSize + start that overflow
var minPageSize = Math.Max(absFullPage, 1);
if (sort != null)
{
_searcher.SetDefaultFieldSortScoring(true, false);
try
{
return(_searcher.Search(documentQuery, null, minPageSize, sort));
}
finally
{
_searcher.SetDefaultFieldSortScoring(false, false);
}
}
return(_searcher.Search(documentQuery, null, minPageSize));
}
