Add BlueCopy

Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs

@@ -228,6 +228,20 @@ namespace SqlSugar
             };
             return this;
         }
+
+        public SqlServerBlueCopy UseSqlServer()
+        {
+            PreToSql();
+            var currentType = this.Context.CurrentConnectionConfig.DbType;
+            Check.Exception(currentType != DbType.SqlServer, "UseSqlServer no support " + currentType);
+            SqlServerBlueCopy result = new SqlServerBlueCopy();
+            result.DbColumnInfoList =this.InsertBuilder.DbColumnInfoList.GroupBy(it => it.TableId).ToList();
+            result.InsertBuilder = this.InsertBuilder;
+            result.Builder = this.SqlBuilder;
+            result.Context = this.Context;
+            return result;
+        }
+
         public IInsertable<T> EnableDiffLogEvent(object businessData = null)
         {
             Check.Exception(this.InsertObjs.HasValue() && this.InsertObjs.Count() > 1, "DiffLog does not support batch operations");

Src/Asp.Net/SqlSugar/Interface/Insertable.cs

@@ -33,6 +33,7 @@ namespace SqlSugar
         IInsertable<T> EnableDiffLogEvent(object businessData = null);
         IInsertable<T> RemoveDataCache();
         KeyValuePair<string, List<SugarParameter>> ToSql();
+        SqlServerBlueCopy UseSqlServer();
         void AddQueue();
 
         #region Obsolete

Src/Asp.Net/SqlSugar/Realization/SqlServer/SqlBuilder/SqlServerBlueCopy.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SqlSugar 
+{
+    public class SqlServerBlueCopy
+    {
+        internal List<IGrouping<int, DbColumnInfo>> DbColumnInfoList { get;   set; }
+        internal SqlSugarProvider Context { get;   set; }
+        internal ISqlBuilder Builder { get; set; }
+        internal InsertBuilder InsertBuilder { get; set; }
+        public int ExecuteBlueCopy()
+        {
+            if (DbColumnInfoList==null||DbColumnInfoList.Count == 0) return 0;
+            int pmax = 2030;
+            decimal count = DbColumnInfoList.Count;
+            var columns = DbColumnInfoList.First().Select(it => Builder.GetTranslationColumnName(it.DbColumnName)).ToList();
+            decimal columnCount = columns.Count();
+            decimal pageSize = count / ((count * columnCount) / pmax);
+            this.Context.Utilities.PageEach(DbColumnInfoList,Convert.ToInt32(pageSize), pageItems =>
+            {
+                StringBuilder batchInsetrSql = new StringBuilder();
+                batchInsetrSql.AppendFormat(InsertBuilder.SqlTemplateBatch, InsertBuilder.GetTableNameString, string.Join(",", columns));
+                int i = 0;
+                foreach (var item in pageItems)
+                {
+                    batchInsetrSql.Append("\r\n SELECT " + string.Join(",", item.ToList().Select(it => string.Format(InsertBuilder.SqlTemplateBatchSelect, AddParameter(i,it.DbColumnName,it.Value), Builder.GetTranslationColumnName(it.DbColumnName)))));
+                    if (pageItems.Last() != item)
+                    {
+                        batchInsetrSql.Append(" UNION ALL");
+                    }
+                    ++i;
+                }
+                this.Context.Ado.ExecuteCommand(batchInsetrSql.ToString(),InsertBuilder.Parameters);
+                InsertBuilder.Parameters = new List<SugarParameter>();
+            });
+            return count.ObjToInt();
+        }
+
+        private object AddParameter(int i,string dbColumnName, object value)
+        {
+            var name =Builder.SqlParameterKeyWord+dbColumnName+i;
+            InsertBuilder.Parameters.Add(new SugarParameter(name,value));
+            return name;
+        }
+    }
+}

Src/Asp.Net/SqlSugar/SqlSugar.csproj

@@ -152,6 +152,7 @@
     <Compile Include="Realization\PostgreSQL\SqlBuilder\PostgreSQLInsertBuilder.cs" />
     <Compile Include="Realization\PostgreSQL\SqlBuilder\PostgreSQLQueryBuilder.cs" />
     <Compile Include="Realization\PostgreSQL\SqlBuilder\PostgreSQLUpdateBuilder.cs" />
+    <Compile Include="Realization\SqlServer\SqlBuilder\SqlServerBlueCopy.cs" />
     <Compile Include="SqlSugarClient.cs" />
     <Compile Include="Utilities\CallContext.cs" />
     <Compile Include="Utilities\ReflectionExtensions.cs" />