imay commented on a change in pull request #4366:
URL: https://github.com/apache/incubator-doris/pull/4366#discussion_r471368389
##########
File path: be/src/util/coding.h
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@@ -143,7 +143,7 @@ extern uint8_t* encode_varint64(uint8_t* dst, uint64_t
value);
inline uint8_t* encode_varint64(uint8_t* dst, uint64_t v) {
static const unsigned int B = 128;
while (v >= B) {
- *(dst++) = (v & (B - 1)) | B;
+ *(dst++) = v | B;
Review comment:
(v | B) & (11111111) != v | B
If v = 1011111111
(v | B) = 1011111111
(v | B) & (11111111) = 11111111
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