From 0a86ce884ee50e981a5e80a9ea12a8c144a23290 Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Fri, 4 Jun 2021 13:19:29 +0800
Subject: [PATCH] [TD-4412]<fix>: add new configuration parameter for db option
 precision

---
 src/common/src/tglobal.c                               | 10 ++++++++++
 tests/pytest/functions/showOfflineThresholdIs864000.py |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 786c612d61..381d2804c1 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -817,6 +817,16 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
+  cfg.option = "precision";
+  cfg.ptr = &tsTimePrecision;
+  cfg.valType = TAOS_CFG_VTYPE_INT8;
+  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
+  cfg.minValue = TSDB_MIN_PRECISION;
+  cfg.maxValue = TSDB_MAX_PRECISION;
+  cfg.ptrLength = 0;
+  cfg.unitType = TAOS_CFG_UTYPE_NONE;
+  taosInitConfigOption(cfg);
+
   cfg.option = "comp";
   cfg.ptr = &tsCompression;
   cfg.valType = TAOS_CFG_VTYPE_INT8;
diff --git a/tests/pytest/functions/showOfflineThresholdIs864000.py b/tests/pytest/functions/showOfflineThresholdIs864000.py
index 6734df1fac..a7a1c2bf3f 100644
--- a/tests/pytest/functions/showOfflineThresholdIs864000.py
+++ b/tests/pytest/functions/showOfflineThresholdIs864000.py
@@ -25,7 +25,7 @@ class TDTestCase:
 
     def run(self):
         tdSql.query("show variables")
-        tdSql.checkData(52, 1, 864000)
+        tdSql.checkData(53, 1, 864000)
 
     def stop(self):
         tdSql.close()
-- 
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