From 8cc0b6fc89a2398425098c1a8d39fddf51d1168c Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Fri, 22 Jul 2022 08:24:48 +0000
Subject: [PATCH] fix: bigint compress problem

---
 source/util/src/tcompression.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/util/src/tcompression.c b/source/util/src/tcompression.c
index 38613a77e6..e8f1f06ef1 100644
--- a/source/util/src/tcompression.c
+++ b/source/util/src/tcompression.c
@@ -58,7 +58,7 @@
 
 static const int32_t TEST_NUMBER = 1;
 #define is_bigendian()     ((*(char *)&TEST_NUMBER) == 0)
-#define SIMPLE8B_MAX_INT64 ((uint64_t)2305843009213693951LL)
+#define SIMPLE8B_MAX_INT64 ((uint64_t)1152921504606846974LL)
 
 #define safeInt64Add(a, b)  (((a >= 0) && (b <= INT64_MAX - a)) || ((a < 0) && (b >= INT64_MIN - a)))
 #define ZIGZAG_ENCODE(T, v) ((u##T)((v) >> (sizeof(T) * 8 - 1))) ^ (((u##T)(v)) << 1)  // zigzag encode
@@ -101,8 +101,8 @@ int32_t tsCompressINTImp(const char *const input, const int32_t nelements, char
   char    bit_per_integer[] = {0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 15, 20, 30, 60};
   int32_t selector_to_elems[] = {240, 120, 60, 30, 20, 15, 12, 10, 8, 7, 6, 5, 4, 3, 2, 1};
   char    bit_to_selector[] = {0,  2,  3,  4,  5,  6,  7,  8,  9,  10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 13, 13,
-                            14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-                            15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15};
+                               14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+                               15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15};
 
   // get the byte limit.
   int32_t word_length = 0;