From 6912568b8af57942a6f67157e70facc95fae3289 Mon Sep 17 00:00:00 2001
From: xywang <xywang@taosdata.com>
Date: Mon, 30 Aug 2021 03:37:58 +0800
Subject: [PATCH] [TD-6408]<fix>: one second more than actual timestamp

---
 src/plugins/http/src/httpJson.c | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/plugins/http/src/httpJson.c b/src/plugins/http/src/httpJson.c
index b9067f0639..86e0f2f40b 100644
--- a/src/plugins/http/src/httpJson.c
+++ b/src/plugins/http/src/httpJson.c
@@ -272,26 +272,35 @@ void httpJsonTimestamp(JsonBuf* buf, int64_t t, int32_t timePrecision) {
 
   switch (timePrecision) {
     case TSDB_TIME_PRECISION_MILLI: {
+      mod = ((t) % 1000 + 1000) % 1000;
+      if (t < 0 && mod != 0) {
+        t -= 1000;
+      }
       quot = t / 1000;
       fractionLen = 5;
       format = ".%03" PRId64;
-      mod = ((t) % 1000 + 1000) % 1000;
       break;
     }
 
     case TSDB_TIME_PRECISION_MICRO: {
+      mod = ((t) % 1000000 + 1000000) % 1000000;
+      if (t < 0 && mod != 0) {
+        t -= 1000000;
+      }
       quot = t / 1000000;
       fractionLen = 8;
       format = ".%06" PRId64;
-      mod = ((t) % 1000000 + 1000000) % 1000000;
       break;
     }
 
     case TSDB_TIME_PRECISION_NANO: {
+      mod = ((t) % 1000000000 + 1000000000) % 1000000000;
+      if (t < 0 && mod != 0) {
+        t -= 1000000000;
+      }
       quot = t / 1000000000;
       fractionLen = 11;
       format = ".%09" PRId64;
-      mod = ((t) % 1000000000 + 1000000000) % 1000000000;
       break;
     }
 
@@ -319,26 +328,35 @@ void httpJsonUtcTimestamp(JsonBuf* buf, int64_t t, int32_t timePrecision) {
 
   switch (timePrecision) {
     case TSDB_TIME_PRECISION_MILLI: {
+      mod = ((t) % 1000 + 1000) % 1000;
+      if (t < 0 && mod != 0) {
+        t -= 1000;
+      }
       quot = t / 1000;
       fractionLen = 5;
       format = ".%03" PRId64;
-      mod = ((t) % 1000 + 1000) % 1000;
       break;
     }
 
     case TSDB_TIME_PRECISION_MICRO: {
+      mod = ((t) % 1000000 + 1000000) % 1000000;
+      if (t < 0 && mod != 0) {
+        t -= 1000000;
+      }
       quot = t / 1000000;
       fractionLen = 8;
       format = ".%06" PRId64;
-      mod = ((t) % 1000000 + 1000000) % 1000000;
       break;
     }
 
     case TSDB_TIME_PRECISION_NANO: {
+      mod = ((t) % 1000000000 + 1000000000) % 1000000000;
+      if (t < 0 && mod != 0) {
+        t -= 1000000000;
+      }
       quot = t / 1000000000;
       fractionLen = 11;
       format = ".%09" PRId64;
-      mod = ((t) % 1000000000 + 1000000000) % 1000000000;
       break;
     }
 
-- 
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