From 005caf242fff92020a0ef82a357c425f64aa2973 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sun, 7 May 2023 13:02:53 +0800
Subject: [PATCH] =?UTF-8?q?Oracle=20=20=E8=BE=BE=E6=A2=A6=20=20=20Update?=
 =?UTF-8?q?=20Join?=
MIME-Version: 1.0
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---
 .../Realization/Dm/SqlBuilder/DmUpdateBuilder.cs     | 11 +++++++++++
 .../Oracle/SqlBuilder/OracleUpdateBuilder.cs         | 12 +++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
index 1ebdf5d97..0ce19c760 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
@@ -7,6 +7,17 @@ namespace SqlSugar
 {
     public class DmUpdateBuilder : UpdateBuilder
     {
+        protected override string GetJoinUpdate(string columnsString, ref string whereString)
+        {
+            var joinString = $"  {Builder.GetTranslationColumnName(this.TableName)}  {Builder.GetTranslationColumnName(this.ShortName)} ";
+            foreach (var item in this.JoinInfos)
+            {
+                joinString += $"\r\n USING {Builder.GetTranslationColumnName(item.TableName)}  {Builder.GetTranslationColumnName(item.ShortName)} ON {item.JoinWhere} ";
+            }
+            var tableName = joinString + "\r\n ";
+            var newTemp = SqlTemplate.Replace("UPDATE", "MERGE INTO").Replace("SET", "WHEN MATCHED THEN \r\nUPDATE SET");
+            return string.Format(newTemp, tableName, columnsString, whereString);
+        }
         protected override string TomultipleSqlString(List<IGrouping<int, DbColumnInfo>> groupList)
         {
             StringBuilder sb = new StringBuilder();
diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs
index c39494312..8ef9d6f86 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs
@@ -116,7 +116,17 @@ namespace SqlSugar
                 }
             }
         }
-
+        protected override string GetJoinUpdate(string columnsString, ref string whereString)
+        {
+            var joinString = $"  {Builder.GetTranslationColumnName(this.TableName)}  {Builder.GetTranslationColumnName(this.ShortName)} ";
+            foreach (var item in this.JoinInfos)
+            {
+                joinString += $"\r\n USING {Builder.GetTranslationColumnName(item.TableName)}  {Builder.GetTranslationColumnName(item.ShortName)} ON {item.JoinWhere} ";
+            }
+            var tableName = joinString + "\r\n ";
+            var newTemp = SqlTemplate.Replace("UPDATE", "MERGE INTO").Replace("SET", "WHEN MATCHED THEN \r\nUPDATE SET");
+            return string.Format(newTemp, tableName, columnsString, whereString);
+        }
         #region Helper
         public bool IsUppper
         {