From 50a542a1b9ea2983dfaa0a00de28d9979e96bab7 Mon Sep 17 00:00:00 2001
From: Ping Xiao <pxiao@taosdata.com>
Date: Wed, 26 Oct 2022 19:07:57 +0800
Subject: [PATCH] test: add test case for max/min function

---
 tests/system-test/2-query/max.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/system-test/2-query/max.py b/tests/system-test/2-query/max.py
index 5cc9a2d9e8..f3f2fdb86b 100644
--- a/tests/system-test/2-query/max.py
+++ b/tests/system-test/2-query/max.py
@@ -45,6 +45,22 @@ class TDTestCase:
         tdSql.query(f"select max(col1) from {dbname}.stb where col2<=5")
         tdSql.checkData(0,0,5)
 
+        tdSql.query(f"select ts, max(col1) from {dbname}.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 1, np.max(intData))
+
+        tdSql.query(f"select ts, max(col1) from {dbname}.stb_1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 1, np.max(intData))
+
+        tdSql.query(f"select ts, min(col9) from {dbname}.stb")
+        tdSql.checkRows(1)        
+        tdSql.checkData(0, 1, np.min(floatData))
+
+        tdSql.query(f"select ts, min(col9) from {dbname}.stb_1")
+        tdSql.checkRows(1)        
+        tdSql.checkData(0, 1, np.min(floatData))
+
     def max_check_ntb_base(self, dbname="db"):
         tdSql.prepare()
         intData = []