From a2cc458e2ee504910a212906d0582cfc8311d3ed Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Mon, 12 Sep 2022 14:23:49 +0800
Subject: [PATCH] Add db.BulkCopy

---
 .../FastestProvider/FastestProvider.cs        | 23 +++++++++++++++++--
 Src/Asp.Net/SqlSugar/Interface/IFastest.cs    |  2 ++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastestProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastestProvider.cs
index 5a86e359e..439a80b8e 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastestProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastestProvider.cs
@@ -85,10 +85,29 @@ namespace SqlSugar
         }
         public int BulkUpdate(List<T> datas, string[] whereColumns, string[] updateColumns) 
         {
-            whereColumns = whereColumns.Select(x => this.entityInfo.Columns.First(it => it.PropertyName.EqualCase(x) || it.DbColumnName.EqualCase(x)).DbColumnName).ToArray();
-            updateColumns = updateColumns.Select(x => this.entityInfo.Columns.First(it => it.PropertyName.EqualCase(x) || it.DbColumnName.EqualCase(x)).DbColumnName).ToArray(); 
+            whereColumns = whereColumns.Select(x => this.entityInfo.Columns.FirstOrDefault(it => it.PropertyName.EqualCase(x) || it.DbColumnName.EqualCase(x))?.DbColumnName ?? x).ToArray();
+            updateColumns = updateColumns.Select(x => this.entityInfo.Columns.FirstOrDefault(it => it.PropertyName.EqualCase(x) || it.DbColumnName.EqualCase(x))?.DbColumnName ?? x).ToArray(); 
             return BulkUpdateAsync(datas,whereColumns,updateColumns).ConfigureAwait(true).GetAwaiter().GetResult();
         }
+
+        public int BulkUpdate(List<T> datas, string[] whereColumns) 
+        {
+            return BulkUpdateAsync(datas, whereColumns).GetAwaiter().GetResult();
+        }
+
+        public async Task<int> BulkUpdateAsync(List<T> datas, string[] whereColumns)
+        {
+            whereColumns = whereColumns.Select(x => this.entityInfo.Columns.FirstOrDefault(it => it.PropertyName.EqualCase(x) || it.DbColumnName.EqualCase(x))?.DbColumnName ?? x).ToArray();
+            var updateColumns = this.entityInfo.Columns
+                 .Where(it => !whereColumns.Any(z => z.EqualCase(it.DbColumnName)))
+                 .Where(it => !it.IsIdentity)
+                 .Where(it => !it.IsPrimarykey)
+                 .Where(it => !it.IsOnlyIgnoreUpdate)
+                 .Where(it => !it.IsIgnore)
+                .Select(it => it.DbColumnName)
+                .ToArray();
+            return await BulkUpdateAsync(datas, whereColumns, updateColumns).ConfigureAwait(true);
+        }
         public async Task<int> BulkUpdateAsync(List<T> datas,string [] whereColumns,string [] updateColumns)
         {
 
diff --git a/Src/Asp.Net/SqlSugar/Interface/IFastest.cs b/Src/Asp.Net/SqlSugar/Interface/IFastest.cs
index 81ebe5d67..7ca34cf1a 100644
--- a/Src/Asp.Net/SqlSugar/Interface/IFastest.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/IFastest.cs
@@ -23,6 +23,8 @@ namespace SqlSugar
         int BulkUpdate(List<T> datas);
         Task<int> BulkUpdateAsync(List<T> datas);
         int BulkUpdate(List<T> datas, string[] whereColumns, string[] updateColumns);
+        int BulkUpdate(List<T> datas, string[] whereColumns);
+        Task<int> BulkUpdateAsync(List<T> datas, string[] whereColumns);
         Task<int> BulkUpdateAsync(List<T> datas, string[] whereColumns, string[] updateColumns);
         int BulkUpdate(string tableName,DataTable dataTable, string[] whereColumns, string[] updateColumns);
         int BulkUpdate(DataTable dataTable, string[] whereColumns, string[] updateColumns);