private JsonDocument RetrieveDocumentInternal(
IndexQueryResult queryResult,
HashSet <string> loadedIds,
FieldsToFetch fieldsToFetch,
IndexDefinition indexDefinition,
bool skipDuplicateCheck)
{
var queryScore = queryResult.Score;
if (float.IsNaN(queryScore))
{
queryScore = 0f;
}
if (queryResult.Projection == null)
{
// duplicate document, filter it out
if (skipDuplicateCheck == false && loadedIds.Add(queryResult.Key) == false)
{
return(null);
}
var document = GetDocumentWithCaching(queryResult);
if (document == null)
{
return(null);
}
document.Metadata = GetMetadata(document);
if (skipDuplicateCheck == false)
{
document.Metadata[Constants.TemporaryScoreValue] = queryScore;
}
return(document);
}
JsonDocument doc = null;
if (fieldsToFetch.IsProjection)
{
if (indexDefinition.IsMapReduce == false)
{
bool hasStoredFields = false;
FieldStorage value;
if (indexDefinition.Stores.TryGetValue(Constants.AllFields, out value))
{
hasStoredFields = value != FieldStorage.No;
}
foreach (var fieldToFetch in fieldsToFetch.Fields)
{
if (indexDefinition.Stores.TryGetValue(fieldToFetch, out value) == false && value != FieldStorage.No)
{
continue;
}
hasStoredFields = true;
}
if (hasStoredFields == false)
{
// duplicate document, filter it out
if (loadedIds.Add(queryResult.Key) == false)
{
return(null);
}
}
}
// We have to load the document if user explicitly asked for the id, since
// we normalize the casing for the document id on the index, and we need to return
// the id to the user with the same casing they gave us.
var fetchingId = fieldsToFetch.HasField(Constants.DocumentIdFieldName);
var fieldsToFetchFromDocument = fieldsToFetch.Fields.Where(fieldToFetch => queryResult.Projection[fieldToFetch] == null).ToArray();
if (fieldsToFetchFromDocument.Length > 0 || fetchingId)
{
switch (configuration.ImplicitFetchFieldsFromDocumentMode)
{
case ImplicitFetchFieldsMode.Enabled:
doc = GetDocumentWithCaching(queryResult);
if (doc != null)
{
if (fetchingId)
{
queryResult.Projection[Constants.DocumentIdFieldName] = doc.Key;
}
var result = doc.DataAsJson.SelectTokenWithRavenSyntax(fieldsToFetchFromDocument.ToArray());
foreach (var property in result)
{
if (property.Value == null)
{
continue;
}
queryResult.Projection[property.Key] = property.Value;
}
}
break;
case ImplicitFetchFieldsMode.DoNothing:
break;
case ImplicitFetchFieldsMode.Exception:
string message = string.Format("Implicit fetching of fields from the document is disabled." + Environment.NewLine +
"Check your index ({0}) to make sure that all fields you want to project are stored in the index." + Environment.NewLine +
"You can control this behavior using the Raven/ImplicitFetchFieldsFromDocumentMode setting." + Environment.NewLine +
"Fields to fetch from document are: {1}" + Environment.NewLine +
"Fetching id: {2}", indexDefinition.Name, string.Join(", ", fieldsToFetchFromDocument), fetchingId);
throw new ImplicitFetchFieldsFromDocumentNotAllowedException(message);
default:
throw new ArgumentOutOfRangeException(configuration.ImplicitFetchFieldsFromDocumentMode.ToString());
}
}
}
else if (fieldsToFetch.FetchAllStoredFields && string.IsNullOrEmpty(queryResult.Key) == false &&
(fieldsToFetch.Query == null || fieldsToFetch.Query.AllowMultipleIndexEntriesForSameDocumentToResultTransformer == false)
)
{
// duplicate document, filter it out
if (loadedIds.Add(queryResult.Key) == false)
{
return(null);
}
doc = GetDocumentWithCaching(queryResult);
}
var metadata = GetMetadata(doc);
metadata.Remove("@id");
metadata[Constants.TemporaryScoreValue] = queryScore;
return(new JsonDocument
{
Key = queryResult.Key,
DataAsJson = queryResult.Projection,
Metadata = metadata
});
}
private JsonDocument RetrieveDocumentInternal(
IndexQueryResult queryResult,
HashSet <string> loadedIds,
FieldsToFetch fieldsToFetch,
IndexDefinition indexDefinition,
bool skipDuplicateCheck)
{
var queryScore = queryResult.Score;
if (float.IsNaN(queryScore))
{
queryScore = 0f;
}
if (queryResult.Projection == null)
{
// duplicate document, filter it out
if (skipDuplicateCheck == false && loadedIds.Add(queryResult.Key) == false)
{
return(null);
}
var document = GetDocumentWithCaching(queryResult.Key);
if (document == null)
{
return(null);
}
document.Metadata = GetMetadata(document);
if (skipDuplicateCheck == false)
{
document.Metadata[Constants.TemporaryScoreValue] = queryScore;
}
return(document);
}
JsonDocument doc = null;
if (fieldsToFetch.IsProjection)
{
if (indexDefinition.IsMapReduce == false)
{
bool hasStoredFields = false;
FieldStorage value;
if (indexDefinition.Stores.TryGetValue(Constants.AllFields, out value))
{
hasStoredFields = value != FieldStorage.No;
}
foreach (var fieldToFetch in fieldsToFetch.Fields)
{
if (indexDefinition.Stores.TryGetValue(fieldToFetch, out value) == false && value != FieldStorage.No)
{
continue;
}
hasStoredFields = true;
}
if (hasStoredFields == false)
{
// duplicate document, filter it out
if (loadedIds.Add(queryResult.Key) == false)
{
return(null);
}
}
}
// We have to load the document if user explicitly asked for the id, since
// we normalize the casing for the document id on the index, and we need to return
// the id to the user with the same casing they gave us.
var fetchingId = fieldsToFetch.HasField(Constants.DocumentIdFieldName);
var fieldsToFetchFromDocument = fieldsToFetch.Fields.Where(fieldToFetch => queryResult.Projection[fieldToFetch] == null).ToArray();
if (fieldsToFetchFromDocument.Length > 0 || fetchingId)
{
doc = GetDocumentWithCaching(queryResult.Key);
if (doc != null)
{
if (fetchingId)
{
queryResult.Projection[Constants.DocumentIdFieldName] = doc.Key;
}
var result = doc.DataAsJson.SelectTokenWithRavenSyntax(fieldsToFetchFromDocument.ToArray());
foreach (var property in result)
{
if (property.Value == null || property.Value.Type == JTokenType.Null)
{
continue;
}
queryResult.Projection[property.Key] = property.Value;
}
}
}
}
else if (fieldsToFetch.FetchAllStoredFields && string.IsNullOrEmpty(queryResult.Key) == false &&
(fieldsToFetch.Query == null || fieldsToFetch.Query.AllowMultipleIndexEntriesForSameDocumentToResultTransformer == false)
)
{
// duplicate document, filter it out
if (loadedIds.Add(queryResult.Key) == false)
{
return(null);
}
doc = GetDocumentWithCaching(queryResult.Key);
}
var metadata = GetMetadata(doc);
metadata.Remove("@id");
metadata[Constants.TemporaryScoreValue] = queryScore;
return(new JsonDocument
{
Key = queryResult.Key,
DataAsJson = queryResult.Projection,
Metadata = metadata
});
}