fix for reading large (2GB+) files

apache · Sep 16, 2019 · 393be8c · 393be8c
1 parent abc7860
commit 393be8c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/csharp/src/Apache.Arrow/Ipc/ArrowFileReaderImplementation.cs b/csharp/src/Apache.Arrow/Ipc/ArrowFileReaderImplementation.cs
@@ -36,7 +36,7 @@ internal sealed class ArrowFileReaderImplementation : ArrowStreamReaderImplement
         /// <summary>
         /// Notes what byte position where the footer data is in the stream
         /// </summary>
-        private int _footerStartPostion;
+        private long _footerStartPostion;
 
         private ArrowFooter _footer;
 
@@ -110,7 +110,7 @@ protected override void ReadSchema()
 
             ArrayPool<byte>.Shared.RentReturn(footerLength, (buffer) =>
             {
-                _footerStartPostion = (int)GetFooterLengthPosition() - footerLength;
+                _footerStartPostion = GetFooterLengthPosition() - footerLength;
 
                 BaseStream.Position = _footerStartPostion;