From 3257316d1745548d26f2fd645c3f952ad4fd897a Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sat, 17 Feb 2024 14:51:10 +0800
Subject: [PATCH] Synchronization code

---
 .../Abstract/QueryableProvider/QueryableHelper.cs        | 9 +++++++++
 .../SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs | 5 +++++
 2 files changed, 14 insertions(+)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
index ec4b5de5e..0b30de3ba 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
@@ -1519,6 +1519,15 @@ namespace SqlSugar
             {
                 result.ShortName = this.SqlBuilder.GetTranslationColumnName(result.ShortName);
             }
+            if (this.EntityInfo.Type == result.EntityType&&this.QueryBuilder?.AsTables?.Count()==1) 
+            {
+                var tableName = this.QueryBuilder.AsTables.First().Value;
+                if (tableName.EndsWith(" MergeTable ")&&tableName?.Trim()==this.QueryBuilder.GetTableNameString?.Trim()) 
+                {
+                    this.QueryBuilder.MasterDbTableName = " (SELECT * FROM " + tableName + ")";
+                    this.QueryBuilder.AsTables?.Clear();
+                } 
+            }
             if (result.JoinIndex == 0)
             {
                 var firstPareamter = (express as LambdaExpression).Parameters.First();
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
index 0ce07fa60..f7a58a9a6 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
@@ -958,6 +958,7 @@ namespace SqlSugar
                 }
             }
         }
+        public virtual string MasterDbTableName { get; set; }
         public virtual string GetTableNameString
         {
             get
@@ -981,6 +982,10 @@ namespace SqlSugar
                 }
                 var result = Builder.GetTranslationTableName(name);
                 result += UtilConstants.Space;
+                if (MasterDbTableName.HasValue()) 
+                {
+                    result = MasterDbTableName;
+                }
                 if (IsSingle() && result.Contains("MergeTable") && result.Trim().EndsWith(" MergeTable") && TableShortName != null)
                 {
                     result = result.Replace(") MergeTable  ", ") " + TableShortName+UtilConstants.Space);