From d8991f19137d7f78f1d5b25ccbceae32caafc96f Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Wed, 30 Sep 2020 11:02:52 +0800
Subject: [PATCH] fix TD-1640

---
 src/util/inc/tscompression.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/inc/tscompression.h b/src/util/inc/tscompression.h
index 37d1e7b590..cca6d6e250 100644
--- a/src/util/inc/tscompression.h
+++ b/src/util/inc/tscompression.h
@@ -26,7 +26,7 @@ extern "C" {
 #define COMP_OVERFLOW_BYTES 2
 #define BITS_PER_BYTE 8
 // Masks
-#define INT64MASK(_x) ((1ul << _x) - 1)
+#define INT64MASK(_x) ((((uint64_t)1) << _x) - 1)
 #define INT32MASK(_x) (((uint32_t)1 << _x) - 1)
 #define INT8MASK(_x) (((uint8_t)1 << _x) - 1)
 // Compression algorithm