public TermsQueryResultServerSide ExecuteGetTermsQuery(string indexName, string field, string fromValue, long?existingResultEtag, int pageSize, DocumentsOperationContext context, OperationCancelToken token, out Index index)
{
ObjectDisposedException lastException = null;
for (var i = 0; i < NumberOfRetries; i++)
{
try
{
index = GetIndex(indexName);
var etag = index.GetIndexEtag(null);
if (etag == existingResultEtag)
{
return(TermsQueryResultServerSide.NotModifiedResult);
}
return(index.GetTerms(field, fromValue, pageSize, context, token));
}
catch (ObjectDisposedException e)
{
if (Database.DatabaseShutdown.IsCancellationRequested)
{
throw;
}
lastException = e;
}
}
throw CreateRetriesFailedException(lastException);
}
public TermsQueryResultServerSide ExecuteGetTermsQuery(string indexName, string field, string fromValue, long?existingResultEtag, int pageSize, QueryOperationContext queryContext, OperationCancelToken token, out Index index)
{
Exception lastException = null;
for (var i = 0; i < NumberOfRetries; i++)
{
try
{
index = GetIndex(indexName);
queryContext.WithIndex(index);
var etag = index.GetIndexEtag(queryContext, null);
if (etag == existingResultEtag)
{
return(TermsQueryResultServerSide.NotModifiedResult);
}
return(index.GetTerms(field, fromValue, pageSize, queryContext, token));
}
catch (ObjectDisposedException e)
{
if (Database.DatabaseShutdown.IsCancellationRequested)
{
throw;
}
lastException = e;
WaitForIndexBeingLikelyReplacedDuringQuery().GetAwaiter().GetResult();
}
catch (OperationCanceledException e)
{
if (Database.DatabaseShutdown.IsCancellationRequested)
{
throw;
}
if (token.Token.IsCancellationRequested)
{
throw;
}
lastException = e;
WaitForIndexBeingLikelyReplacedDuringQuery().GetAwaiter().GetResult();
}
}
throw CreateRetriesFailedException(lastException);
}
protected async Task <SuggestionQueryResult> ExecuteSuggestion(
IndexQueryServerSide query,
Index index,
QueryOperationContext queryContext,
long?existingResultEtag,
OperationCancelToken token)
{
if (query.Metadata.SelectFields.Length == 0)
{
throw new InvalidQueryException("Suggestion query must have at least one suggest token in SELECT.", query.Metadata.QueryText, query.QueryParameters);
}
var fields = index.Definition.IndexFields;
foreach (var f in query.Metadata.SelectFields)
{
if (f.IsSuggest == false)
{
throw new InvalidQueryException("Suggestion query must have only suggest tokens in SELECT.", query.Metadata.QueryText, query.QueryParameters);
}
var selectField = (SuggestionField)f;
if (fields.TryGetValue(selectField.Name, out var field) == false)
{
throw new InvalidOperationException($"Index '{index.Name}' does not have a field '{selectField.Name}'.");
}
if (field.HasSuggestions == false)
{
throw new InvalidOperationException($"Index '{index.Name}' does not have suggestions configured for field '{selectField.Name}'.");
}
}
if (existingResultEtag.HasValue)
{
var etag = index.GetIndexEtag(queryContext, query.Metadata);
if (etag == existingResultEtag.Value)
{
return(SuggestionQueryResult.NotModifiedResult);
}
}
return(await index.SuggestionQuery(query, queryContext, token));
}