From fd988e34f7d4310f6e92a06b8e0da44bca4fe4ce Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Wed, 21 Sep 2022 14:02:39 +0800
Subject: [PATCH] Update ClickHouse

---
 .../SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs b/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs
index b6cb570ce..18894a886 100644
--- a/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs
@@ -144,6 +144,10 @@ namespace SqlSugar.ClickHouse
                 else
                 {
                     sql = sql.Replace(param.ParameterName, "{" + newName + ":" + dbtype + "}");
+                    if (dbtype.ObjToString() == "DateTime"&&param.Value==DBNull.Value) 
+                    {
+                        param.Value = Convert.ToDateTime("1900-01-01");
+                    }
                 }
                 param.ParameterName = newName;
             }