From df24670881542ab3e3194b4d6a9744ff79760179 Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Thu, 8 Sep 2022 16:16:09 +0800
Subject: [PATCH] fix: more bits from timestamp & S.N.

---
 source/util/src/tuuid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/util/src/tuuid.c b/source/util/src/tuuid.c
index 9101aec949..7460ccbc82 100644
--- a/source/util/src/tuuid.c
+++ b/source/util/src/tuuid.c
@@ -51,11 +51,11 @@ int64_t tGenIdPI64(void) {
   int64_t id;
 
   while (true) {
-    int64_t  ts = taosGetTimestampMs();
+    int64_t  ts = taosGetTimestampMs() >> 8;
     uint64_t pid = taosGetPId();
     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) {
       break;
     }