|
protected RetrieveDocument ( Lucene.Net.Documents.Document document, |
||
| document | Lucene.Net.Documents.Document | |
| fieldsToFetch | ||
| score | float | |
| return | Raven.Database.Data.IndexQueryResult | |
public IEnumerable <IndexQueryResult> Query()
{
using (IndexStorage.EnsureInvariantCulture())
{
AssertQueryDoesNotContainFieldsThatAreNotIndexes();
IndexSearcher indexSearcher;
using (parent.GetSearcher(out indexSearcher))
{
var luceneQuery = GetLuceneQuery();
foreach (var indexQueryTrigger in indexQueryTriggers)
{
luceneQuery = indexQueryTrigger.Value.ProcessQuery(parent.name, luceneQuery, indexQuery);
}
int start = indexQuery.Start;
int pageSize = indexQuery.PageSize;
int returnedResults = 0;
int skippedResultsInCurrentLoop = 0;
do
{
if (skippedResultsInCurrentLoop > 0)
{
start = start + pageSize;
// trying to guesstimate how many results we will need to read from the index
// to get enough unique documents to match the page size
pageSize = skippedResultsInCurrentLoop * indexQuery.PageSize;
skippedResultsInCurrentLoop = 0;
}
TopDocs search = ExecuteQuery(indexSearcher, luceneQuery, start, pageSize, indexQuery);
indexQuery.TotalSize.Value = search.TotalHits;
RecordResultsAlreadySeenForDistinctQuery(indexSearcher, search, start);
for (int i = start; i < search.TotalHits && (i - start) < pageSize; i++)
{
Document document = indexSearcher.Doc(search.ScoreDocs[i].doc);
IndexQueryResult indexQueryResult = parent.RetrieveDocument(document, fieldsToFetch, search.ScoreDocs[i].score);
if (ShouldIncludeInResults(indexQueryResult) == false)
{
indexQuery.SkippedResults.Value++;
skippedResultsInCurrentLoop++;
continue;
}
returnedResults++;
yield return(indexQueryResult);
if (returnedResults == indexQuery.PageSize)
{
yield break;
}
}
} while (skippedResultsInCurrentLoop > 0 && returnedResults < indexQuery.PageSize);
}
}
}
public IEnumerable <IndexQueryResult> Query()
{
AssertQueryDoesNotContainFieldsThatAreNotIndexes();
var indexSearcher = parent.searcher;
indexSearcher.GetIndexReader().IncRef();
try
{
Query luceneQuery = GetLuceneQuery();
int start = indexQuery.Start;
int pageSize = indexQuery.PageSize;
int returnedResults = 0;
int skippedResultsInCurrentLoop = 0;
do
{
if (skippedResultsInCurrentLoop > 0)
{
start = start + pageSize;
// trying to guesstimate how many results we will need to read from the index
// to get enough unique documents to match the page size
pageSize = skippedResultsInCurrentLoop * indexQuery.PageSize;
skippedResultsInCurrentLoop = 0;
}
TopDocs search = ExecuteQuery(indexSearcher, luceneQuery, start, pageSize, indexQuery);
indexQuery.TotalSize.Value = search.totalHits;
RecordResultsAlreadySeenForDistinctQuery(indexSearcher, search, start);
for (int i = start; i < search.totalHits && (i - start) < pageSize; i++)
{
Document document = indexSearcher.Doc(search.scoreDocs[i].doc);
IndexQueryResult indexQueryResult = parent.RetrieveDocument(document, fieldsToFetch, search.scoreDocs[i].score);
if (ShouldIncludeInResults(indexQueryResult) == false)
{
indexQuery.SkippedResults.Value++;
skippedResultsInCurrentLoop++;
continue;
}
returnedResults++;
yield return(indexQueryResult);
if (returnedResults == indexQuery.PageSize)
{
yield break;
}
}
} while (skippedResultsInCurrentLoop > 0 && returnedResults < indexQuery.PageSize);
}
finally
{
indexSearcher.GetIndexReader().DecRef();
}
}
