From 5e343ad892942894fa752dd733ce2e913ab03cea Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sun, 26 Mar 2023 12:50:11 +0800
Subject: [PATCH] pgsql  insert  array null bug

---
 .../InsertableProvider/InsertableHelper.cs    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
index ab6bf8d6f..ad3cd35a0 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
@@ -123,6 +123,11 @@ namespace SqlSugar
                     if (item.IsArray)
                     {
                         paramters.IsArray = true;
+                        if (item.Value == null || item.Value == DBNull.Value) 
+                        {
+                            ArrayNull(item,paramters);
+                        }
+
                     }
                     if (item.Value == null && isDic)
                     {
@@ -137,6 +142,26 @@ namespace SqlSugar
                 }
             }
         }
+
+        private static void ArrayNull(DbColumnInfo item, SugarParameter parameter)
+        {
+            if (item.PropertyType.IsIn(typeof(Guid[]), typeof(Guid?[])))
+            {
+                parameter.DbType = System.Data.DbType.Guid;
+            }
+            else if (item.PropertyType.IsIn(typeof(int[]), typeof(int?[])))
+            {
+                parameter.DbType = System.Data.DbType.Int32;
+            }
+            else if (item.PropertyType.IsIn(typeof(long[]), typeof(long?[])))
+            {
+                parameter.DbType = System.Data.DbType.Int64;
+            }
+            else if (item.PropertyType.IsIn(typeof(short[]), typeof(short?[])))
+            {
+                parameter.DbType = System.Data.DbType.Int16;
+            }
+        }
         internal void Init()
         {
             InsertBuilder.EntityInfo = this.EntityInfo;