Split table

Src/Asp.Net/SqlServerTest/Demo/DemoN_SplitTable.cs

@@ -26,11 +26,12 @@ namespace OrmTest
             };
             db.CodeFirst.SplitTables().InitTables<OrderSpliteTest>();
             var list=db.Queryable<OrderSpliteTest>().SplitTable(tabs => tabs.Take(3)).ToList();
-          
+
+            var x = db.Deleteable<OrderSpliteTest>().Where(it=>it.Pk==Guid.NewGuid()).SplitTable(tabs => tabs.Take(3)).ExecuteCommand();
             Console.WriteLine("#### CodeFirst end ####");
         }
 
-        [SqlSugar.SugarTable("Taxxx0101{year}{month}{day}")]
+        [SqlSugar.SugarTable("Taxxx0101_{year}{month}{day}")]
         public class OrderSpliteTest 
         {
             [SugarColumn(IsPrimaryKey =true)]

Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/SplitCodeFirstProvider.cs

@@ -11,14 +11,14 @@ namespace SqlSugar
         public SqlSugarProvider Context;
         public void InitTables<T>()
         {
-            var oldMapping = this.Context.Utilities.TranslateCopy(this.Context.MappingTables);
+            //var oldMapping = this.Context.Utilities.TranslateCopy(this.Context.MappingTables);
             SplitTableHelper helper = new SplitTableHelper()
             {
                 Context = this.Context,
                 EntityInfo = this.Context.EntityMaintenance.GetEntityInfo<T>()
             };
             var tables = helper.GetTables();
-            var oldMapingTables = this.Context.MappingTables;
+            //var oldMapingTables = this.Context.MappingTables;
             if (tables.Count >0)
             {
                 foreach (var item in tables)
@@ -32,7 +32,7 @@ namespace SqlSugar
                 this.Context.MappingTables.Add(helper.EntityInfo.EntityName, helper.GetDefaultTableName());
                 this.Context.CodeFirst.InitTables(typeof(T));
             }
-            this.Context.MappingTables = oldMapingTables;
+            this.Context.MappingTables.Add(helper.EntityInfo.EntityName, helper.EntityInfo.DbTableName);
         }
     }
 }

Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs

@@ -258,6 +258,21 @@ namespace SqlSugar
             this.Where(Regex.Split(sqlable.Key," Where ",RegexOptions.IgnoreCase).Last(), sqlable.Value);
             return this;
         }
+        public SplitTableDeleteProvider<T> SplitTable(Func<List<SplitTableInfo>, IEnumerable<SplitTableInfo>> getTableNamesFunc) 
+        {
+            this.Context.MappingTables.Add(this.EntityInfo.EntityName, this.EntityInfo.DbTableName);
+            SplitTableDeleteProvider<T> result = new SplitTableDeleteProvider<T>();
+            result.Context = this.Context;
+            SplitTableHelper helper = new SplitTableHelper()
+            {
+                Context =(SqlSugarProvider)Context,
+                EntityInfo = this.EntityInfo
+            };
+            var tables = getTableNamesFunc(helper.GetTables());
+            result.Tables = tables;
+            result.deleteobj = this;
+            return result;
+        }
         public IDeleteable<T> RemoveDataCache(string likeString)
         {
             this.RemoveCacheFunc = () =>

Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/SplitTableDeleteProvider.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace SqlSugar 
+{
+    public class SplitTableDeleteProvider<T>  where T : class, new()
+    {
+        public ISqlSugarClient Context;
+        public DeleteableProvider<T> deleteobj;
+
+        public IEnumerable<SplitTableInfo> Tables { get;  set; }
+
+        public int ExecuteCommand()
+        {
+            var result = 0;
+            var sqlobj = deleteobj.ToSql();
+      
+            foreach (var item in Tables)
+            {
+                var  newsqlobj = GetSqlObj(sqlobj, item.TableName);
+                result +=this.Context.Ado.ExecuteCommand(newsqlobj.Key, newsqlobj.Value);
+            }
+            return result;
+        }
+
+        public async Task<int> ExecuteCommandAsync()
+        {
+            var result = 0;
+            var sqlobj = deleteobj.ToSql();
+            foreach (var item in Tables)
+            {
+                var newsqlobj = GetSqlObj(sqlobj, item.TableName);
+                result +=await this.Context.Ado.ExecuteCommandAsync(newsqlobj.Key, newsqlobj.Value);
+            }
+            return result;
+        }
+
+        private KeyValuePair<string, List<SugarParameter>> GetSqlObj(KeyValuePair<string, List<SugarParameter>> keyValuePair,string asName)
+        {
+            List<SugarParameter> pars = new List<SugarParameter>();
+            string sql = keyValuePair.Key;
+            if (keyValuePair.Value != null) 
+            {
+                pars = keyValuePair.Value.Select(it => new SugarParameter(it.ParameterName, it.Value)).ToList();
+            }
+            sql = Regex.Replace(sql, deleteobj.EntityInfo.DbTableName, asName,RegexOptions.IgnoreCase);
+            return new KeyValuePair<string, List<SugarParameter>>(sql,pars);
+        }
+
+    }
+}

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

@@ -841,6 +841,7 @@ namespace SqlSugar
               Context=Context,
               EntityInfo=this.EntityInfo
             };
+            this.Context.MappingTables.Add(this.EntityInfo.EntityName, this.EntityInfo.DbTableName);
             var tables = getTableNamesFunc(helper.GetTables());
             List<ISugarQueryable<object>> tableQueryables = new List<ISugarQueryable<object>>();
             foreach (var item in tables)

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

@@ -36,6 +36,7 @@ namespace SqlSugar
         IDeleteable<T> RemoveDataCache(string likeString);
         KeyValuePair<string, List<SugarParameter>> ToSql();
         IDeleteable<T> EnableQueryFilter();
+        SplitTableDeleteProvider<T> SplitTable(Func<List<SplitTableInfo>, IEnumerable<SplitTableInfo>> getTableNamesFunc);
         void AddQueue();
     }
 }

Src/Asp.Net/SqlSugar/SpliteTable/SplitHelper.cs

@@ -14,6 +14,8 @@ namespace SqlSugar
         public List<SplitTableInfo> GetTables()
         {
 
+            var oldIsEnableLogEvent = this.Context.Ado.IsEnableLogEvent;
+            this.Context.Ado.IsEnableLogEvent = false;
             var tableInfos = this.Context.DbMaintenance.GetTableInfoList(false);
             SplitTableHelper.CheckTableName(EntityInfo.DbTableName);
             var regex = EntityInfo.DbTableName.Replace("{year}", "([0-9]{2,4})").Replace("{day}", "([0-9]{1,2})").Replace("{month}", "([0-9]{1,2})");
@@ -31,6 +33,7 @@ namespace SqlSugar
                 result.Add(tableInfo);
             }
             result = result.OrderByDescending(it => it.Date).ToList();
+            this.Context.Ado.IsEnableLogEvent = oldIsEnableLogEvent;
             return result;
         }
 
@@ -114,6 +117,7 @@ namespace SqlSugar
             Check.Exception(Regex.Matches(dbTableName, @"\{year\}").Count > 1, ErrorMessage.GetThrowMessage(" There can only be one {year}", " 只能有一个 {year}"));
             Check.Exception(Regex.Matches(dbTableName, @"\{month\}").Count > 1, ErrorMessage.GetThrowMessage("There can only be one {month}", "只能有一个 {month} "));
             Check.Exception(Regex.Matches(dbTableName, @"\{day\}").Count > 1, ErrorMessage.GetThrowMessage("There can only be one {day}", "只能有一个{day}"));
+            Check.Exception(Regex.IsMatch(dbTableName, @"\d\{|\}\d"), ErrorMessage.GetThrowMessage(" '{' or  '}'  can't be numbers nearby", "占位符相令一位不能是数字,比例错误:1{day}2,正确: 1_{day}_2"));
         } 
         #endregion
     }

Src/Asp.Net/SqlSugar/SqlSugar.csproj

@@ -84,6 +84,7 @@
     <Compile Include="Abstract\DbMaintenanceProvider\Methods.cs" />
     <Compile Include="Abstract\DbMaintenanceProvider\Properties.cs" />
     <Compile Include="Abstract\AdoProvider\AdoProvider.cs" />
+    <Compile Include="Abstract\DeleteProvider\SplitTableDeleteProvider.cs" />
     <Compile Include="Abstract\EntityMaintenance\EntityMaintenance.cs" />
     <Compile Include="Abstract\ExpressionableProvider\Expressionable.cs" />
     <Compile Include="Abstract\FilterProvider\FilterProvider.cs" />