xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

Merge pull request #16753 from taosdata/fix/TD-18781-3 

fix: more bits from timestamp & S.N.
This commit is contained in:
Shengliang Guan 2022-09-08 17:33:38 +08:00 committed by GitHub
parent fa6c3f06a1 df24670881
commit 23e8fd54e2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
source/util/src/tuuid.c
View File

@ -51,11 +51,11 @@ int64_t tGenIdPI64(void) {
int64_t id; int64_t id;
while (true) { while (true) {
int64_t ts = taosGetTimestampMs(); int64_t ts = taosGetTimestampMs() >> 8;
uint64_t pid = taosGetPId(); uint64_t pid = taosGetPId();
int32_t val = atomic_add_fetch_32(&tUUIDSerialNo, 1); int32_t val = atomic_add_fetch_32(&tUUIDSerialNo, 1);
id = ((tUUIDHashId & 0x07FF) << 52) | ((pid & 0x0FFF) << 40) | ((ts & 0xFFFFFF) << 16) | (val & 0xFFFF); id = ((tUUIDHashId & 0x07FF) << 52) | ((pid & 0x0F) << 48) | ((ts & 0x3FFFFFF) << 20) | (val & 0xFFFFF);
if (id) { if (id) {
break; break;
} }