1 files changed, 7 insertions, 0 deletions
diff --git a/Source/SPDataStorage.h b/Source/SPDataStorage.h
index bb45f71b..23c7e124 100644
--- a/Source/SPDataStorage.h
+++ b/Source/SPDataStorage.h
@@ -44,6 +44,7 @@
 	SPMySQLStreamingResultStore *dataStorage;
 	NSPointerArray *editedRows;
 	BOOL *unloadedColumns;
+	NSCondition *dataDownloadedLock;
 
 	NSUInteger numberOfColumns;
 	NSUInteger editedRowCount;
@@ -75,6 +76,12 @@
 - (NSUInteger) columnCount;
 - (BOOL) dataDownloaded;
 
+/**
+ * This method will block the caller until -dataDownloaded returns YES.
+ * Multiple parallel calls from different threads are possible.
+ */
+- (void) awaitDataDownloaded;
+
 /* Delegate callback methods */
 - (void)resultStoreDidFinishLoadingData:(SPMySQLStreamingResultStore *)resultStore;