From 9870637abc2610a52aeddbcb9455843d8eab070d Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Fri, 2 Apr 2021 14:40:37 +0800
Subject: [PATCH] fix negative time expression

---
 src/client/src/tscParseInsert.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index 2b962333d5..103cc067b1 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -117,7 +117,7 @@ int tsParseTime(SStrToken *pToken, int64_t *time, char **next, char *error, int1
     if (sToken.type == TK_PLUS) {
       useconds += interval;
     } else {
-      useconds = (useconds >= interval) ? useconds - interval : 0;
+      useconds = useconds - interval;
     }
 
     *next = pTokenEnd;
-- 
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