public override async Task ExecuteStreamIndexEntriesQuery(IndexQueryServerSide query, QueryOperationContext queryContext, HttpResponse response,
IStreamQueryResultWriter <BlittableJsonReaderObject> writer, OperationCancelToken token)
{
ObjectDisposedException lastException = null;
for (var i = 0; i < NumberOfRetries; i++)
{
try
{
queryContext.CloseTransaction();
await GetRunner(query).ExecuteStreamIndexEntriesQuery(query, queryContext, response, writer, token);
return;
}
catch (ObjectDisposedException e)
{
if (Database.DatabaseShutdown.IsCancellationRequested)
{
throw;
}
lastException = e;
}
}
throw CreateRetriesFailedException(lastException);
}
public async Task CreateAutoIndexesAndWaitIfNecessary()
{
var queryStepsGatherer = new QueryQueryStepGatherer();
queryStepsGatherer.Visit(RootQueryStep);
if (_context.AreTransactionsOpened() == false)
{
_context.OpenReadTransaction();
}
try
{
var etag = DocumentsStorage.ReadLastEtag(_context.Documents.Transaction.InnerTransaction);
var queryDuration = Stopwatch.StartNew();
var indexes = new List <Index>();
var indexWaiters = new Dictionary <Index, (IndexQueryServerSide, AsyncWaitForIndexing)>();
foreach (var queryStepInfo in queryStepsGatherer.QuerySteps)
{
if (string.IsNullOrWhiteSpace(queryStepInfo.QueryStep.Query.From.From.FieldValue) || queryStepInfo.IsIndexQuery)
{
continue;
}
var indexQuery = new IndexQueryServerSide(queryStepInfo.QueryStep.GetQueryString, queryStepInfo.QueryStep.QueryParameters);
//No sense creating an index for collection queries
if (indexQuery.Metadata.IsCollectionQuery)
{
continue;
}
var indexCreationInfo = await _dynamicQueryRunner.CreateAutoIndexIfNeeded(indexQuery, true, null, _database.DatabaseShutdown);
if (indexCreationInfo.HasCreatedAutoIndex) //wait for non-stale only IF we just created an auto-index
{
indexes.Add(indexCreationInfo.Index);
var queryTimeout = indexQuery.WaitForNonStaleResultsTimeout ?? Index.DefaultWaitForNonStaleResultsTimeout;
indexWaiters.Add(indexCreationInfo.Index, (indexQuery, new AsyncWaitForIndexing(queryDuration, queryTimeout, indexCreationInfo.Index)));
}
}
await WaitForNonStaleResultsInternal(etag, indexes, indexWaiters);
}
finally
{
//The rest of the code assumes that a Tx is not opened
_context.CloseTransaction();
}
}