/// <summary> /// GROUP和是否编译判断 /// </summary> /// <typeparam name="TModel"></typeparam> /// <param name="query"></param> /// <returns></returns> internal CallBackDataReader GetPageReader <TModel>(LambdaQuery <TModel> query) where TModel : IModel, new() { if (query.__GroupFields.Count > 0) { return(GetGroupPageReader(query)); } if (_DBAdapter.CanCompileSP && query.__CompileSp) { return(GetSpPageReader(query)); } CheckTableCreated <TModel>(); //var fields = query.GetQueryFieldString(b => b.Length > 500 || b.PropertyType == typeof(byte[])); var fields = query.GetQueryFieldString(); var rowOver = query.__QueryOrderBy; if (string.IsNullOrEmpty(rowOver)) { var table = TypeCache.GetTable(typeof(TModel)); rowOver = string.Format("t1.{0} desc", table.PrimaryKey.Name); } var orderBy = System.Text.RegularExpressions.Regex.Replace(rowOver, @"t\d\.", "t."); var condition = query.GetQueryConditions(); condition = _DBAdapter.SqlFormat(condition); query.FillParames(this); var pageIndex = query.__PageIndex; var pageSize = query.__PageSize; pageIndex = pageIndex == 0 ? 1 : pageIndex; pageSize = pageSize == 0 ? 15 : pageSize; string countSql = string.Format("select count(*) from {0}", condition); int count = Convert.ToInt32(dbHelper.ExecScalar(countSql)); query.ExecuteTime += dbHelper.ExecuteTime; query.RowCount = count; if (count == 0) { return(null); } int pageCount = (count + pageSize - 1) / pageSize; if (pageIndex > pageCount) { pageIndex = pageCount; } var start = pageSize * (pageIndex - 1) + 1; var end = start + pageSize - 1; string sql = _DBAdapter.PageSqlFormat(fields, rowOver, condition, start, end, orderBy); var reader = new CallBackDataReader(dbHelper.ExecDataReader(sql), () => { return(count); }); query.ExecuteTime += dbHelper.ExecuteTime; ClearParame(); return(reader); }
/// <summary> /// 返回动态类型 /// </summary> /// <typeparam name="T"></typeparam> /// <typeparam name="TResult"></typeparam> /// <param name="query"></param> /// <param name="resultSelector"></param> /// <param name="compileSp"></param> /// <returns></returns> public List <TResult> QueryDynamic <T, TResult>(LambdaQuery <T> query, Expression <Func <T, TResult> > resultSelector, bool compileSp = false) where T : IModel, new() { CheckTableCreated <T>(); string sql = ""; query.FillParames(this); sql = query.GetQuery(); sql = _DBAdapter.SqlFormat(sql); System.Data.Common.DbDataReader reader; List <TResult> list; if (!compileSp) { if (query.QueryTop > 0) { helper.AutoFormatWithNolock = false; } reader = helper.ExecDataReader(sql); } else//生成储过程 { string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql); reader = helper.RunDataReader(sql); } list = Dynamic.DynamicObjConvert.DataReaderToDynamic(reader, resultSelector, query.FieldMapping); ClearParame(); return(list); }
/// <summary> /// 返回动态对象的查询 /// </summary> /// <typeparam name="TItem"></typeparam> /// <param name="query"></param> /// <returns></returns> internal System.Data.Common.DbDataReader GetQueryDynamicReader <TItem>(LambdaQuery <TItem> query) where TItem : IModel, new() { CheckTableCreated <TItem>(); string sql = ""; query.FillParames(this); sql = query.GetQuery(); sql = _DBAdapter.SqlFormat(sql); System.Data.Common.DbDataReader reader; var compileSp = query.__CompileSp; if (!compileSp) { if (query.__QueryTop > 0) { dbHelper.AutoFormatWithNolock = false; } reader = dbHelper.ExecDataReader(sql); } else//生成储过程 { string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql); reader = dbHelper.RunDataReader(sp); } query.ExecuteTime = dbHelper.ExecuteTime; ClearParame(); return(reader); }
/// <summary> /// 返回动态对象的查询 /// 已支持join group /// </summary> /// <typeparam name="T"></typeparam> /// <param name="query"></param> /// <param name="cacheTime"></param> /// <param name="compileSp"></param> /// <returns></returns> public List <dynamic> QueryDynamic <T>(LambdaQuery <T> query, int cacheTime = 0, bool compileSp = false) where T : IModel, new() { CheckTableCreated <T>(); string sql = ""; //foreach (var n in query.QueryParames) //{ // AddParam(n.Key, n.Value); //} query.FillParames(this); sql = query.GetQuery(); sql = _DBAdapter.SqlFormat(sql); //DataTable dt; System.Data.Common.DbDataReader reader; List <dynamic> list; if (!compileSp) { if (query.QueryTop > 0) { helper.AutoFormatWithNolock = false; } reader = helper.ExecDataReader(sql); } else//生成储过程 { string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql); reader = helper.RunDataReader(sql); } list = Dynamic.DynamicObjConvert.DataReaderToDynamic(reader); ClearParame(); return(list); }
TType GetFunction <TType, TModel>(Expression <Func <TModel, bool> > expression, Expression <Func <TModel, TType> > selectField, FunctionType functionType, bool compileSp = false) where TModel : IModel, new() { LambdaQuery <TModel> query = new LambdaQuery <TModel>(this, false); string condition = query.FormatExpression(expression); query.FillParames(this); string field = ""; if (selectField.Body is MemberExpression) { MemberExpression mExp = (MemberExpression)selectField.Body; field = mExp.Member.Name; if (!field.Contains(",")) { field = _DBAdapter.KeyWordFormat(field); } } else { var constant = (ConstantExpression)selectField.Body; field = constant.Value.ToString(); } CheckTableCreated <TModel>(); string tableName = TypeCache.GetTableName <TModel>(); string sql = "select " + functionType + "(" + field + ") from " + tableName + ' ' + _DBAdapter.GetWithNolockFormat() + " where " + condition; if (compileSp) { return(AutoExecuteScalar <TType>(sql)); } return(ExecScalar <TType>(sql)); }
/// <summary> /// 指定条件删除 /// </summary> /// <typeparam name="TModel"></typeparam> /// <param name="expression"></param> /// <returns></returns> public int Delete <TModel>(Expression <Func <TModel, bool> > expression) where TModel : IModel, new() { LambdaQuery <TModel> query = new LambdaQuery <TModel>(dbContext, false); string condition = query.FormatExpression(expression); query.FillParames(this); return(Delete <TModel>(condition)); }
/// <summary> /// 使用完整的LamadaQuery查询 /// </summary> /// <typeparam name="TItem"></typeparam> /// <param name="query"></param> /// <param name="cacheTime"></param> /// <param name="cacheKey">过期时间,分</param> /// <param name="compileSp">是否编译成储过程</param> /// <returns></returns> public List <TItem> QueryList <TItem>(LambdaQuery <TItem> query, int cacheTime, out string cacheKey, bool compileSp = false) where TItem : IModel, new() { CheckTableCreated <TItem>(); if (query.PageSize > 0)//按分页 { cacheKey = ""; int count; return(AutoSpPage(query, out count)); } string sql = ""; bool setConstraintObj = true; cacheKey = ""; //foreach (var n in query.QueryParames) //{ // AddParam(n.Key, n.Value); //} query.FillParames(this); sql = query.GetQuery(); sql = _DBAdapter.SqlFormat(sql); //DataTable dt; System.Data.Common.DbDataReader reader; List <TItem> list; if (cacheTime <= 0) { if (!compileSp) { if (query.QueryTop > 0) { helper.AutoFormatWithNolock = false; } reader = helper.ExecDataReader(sql); } else//生成储过程 { string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql); reader = helper.RunDataReader(sql); } list = ObjectConvert.DataReaderToList <TItem>(reader, setConstraintObj, query.FieldMapping); } else { list = MemoryDataCache.GetCacheList <TItem>(sql, cacheTime, helper, out cacheKey).Values.ToList(); } ClearParame(); query.RowCount = list.Count; SetOriginClone(list); return(list); }
/// <summary> /// 使用完整的LamadaQuery查询 /// </summary> /// <typeparam name="TItem"></typeparam> /// <param name="query"></param> /// <param name="cacheKey">cacheKey</param> /// <returns></returns> public List <TItem> QueryList <TItem>(LambdaQuery <TItem> query, out string cacheKey) where TItem : IModel, new() { CheckTableCreated <TItem>(); if (query.__PageSize > 0)//按分页 { cacheKey = ""; return(Page <TItem, TItem>(query)); } string sql = ""; cacheKey = ""; query.FillParames(this); sql = query.GetQuery(); sql = _DBAdapter.SqlFormat(sql); System.Data.Common.DbDataReader reader; var cacheTime = query.__ExpireMinute; var compileSp = query.__CompileSp; List <TItem> list; double runTime; if (cacheTime <= 0) { if (!compileSp) { if (query.__QueryTop > 0) { dbHelper.AutoFormatWithNolock = false; } reader = dbHelper.ExecDataReader(sql); } else//生成储过程 { string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql); reader = dbHelper.RunDataReader(sql); } query.ExecuteTime += dbHelper.ExecuteTime; list = ObjectConvert.DataReaderToList <TItem>(reader, out runTime, true); query.MapingTime += runTime; } else { list = MemoryDataCache.CacheService.GetCacheList <TItem>(sql, cacheTime, dbHelper, out cacheKey).Values.ToList(); } ClearParame(); query.RowCount = list.Count; SetOriginClone(list); return(list); }
/// <summary> /// 按编译 /// </summary> /// <typeparam name="TModel"></typeparam> /// <param name="query"></param> /// <returns></returns> CallBackDataReader GetSpGroupPageReader <TModel>(LambdaQuery <TModel> query) where TModel : IModel, new() { CheckTableCreated <TModel>(); var conditions = query.GetQueryConditions(); var fields = query.GetQueryFieldString(); if (!conditions.Contains("group")) { throw new Exception("缺少group语法"); } var rowOver = query.__QueryOrderBy; if (string.IsNullOrEmpty(rowOver)) { throw new Exception("Group分页需指定Group排序字段"); //var table = TypeCache.GetTable(typeof(T)); //rowOver = string.Format("t1.{0} desc", table.PrimaryKey.Name); } var sort1 = System.Text.RegularExpressions.Regex.Replace(rowOver, @"t\d\.", ""); conditions = _DBAdapter.SqlFormat(conditions); query.FillParames(this); var pageIndex = query.__PageIndex; var pageSize = query.__PageSize; pageIndex = pageIndex == 0 ? 1 : pageIndex; pageSize = pageSize == 0 ? 15 : pageSize; AddParam("pageIndex", pageIndex); AddParam("pageSize", pageSize); dbHelper.AddOutParam("count", -1); Dictionary <string, string> dic = new Dictionary <string, string>(); dic.Add("fields", fields); dic.Add("rowOver", rowOver); //dic.Add("sort", sort1); string sp = CompileSqlToSp(_DBAdapter.TemplateGroupPage, conditions, dic); CallBackDataReader reader; reader = new CallBackDataReader(dbHelper.RunDataReader(sp), () => { return(GetOutParam <int>("count")); }); query.ExecuteTime += dbHelper.ExecuteTime; ClearParame(); return(reader); }
/// <summary> /// 按编译 /// </summary> /// <typeparam name="TModel"></typeparam> /// <param name="query"></param> /// <returns></returns> CallBackDataReader GetSpPageReader <TModel>(LambdaQuery <TModel> query) where TModel : IModel, new() { CheckTableCreated <TModel>(); //var fields = query.GetQueryFieldString(b => b.Length > 500 || b.PropertyType == typeof(byte[])); var fields = query.GetQueryFieldString(); var rowOver = query.__QueryOrderBy; if (string.IsNullOrEmpty(rowOver)) { var table = TypeCache.GetTable(typeof(TModel)); rowOver = string.Format("t1.{0} desc", table.PrimaryKey.Name); } var orderBy = System.Text.RegularExpressions.Regex.Replace(rowOver, @"t\d\.", "t."); var condition = query.GetQueryConditions(); condition = _DBAdapter.SqlFormat(condition); query.FillParames(this); var pageIndex = query.__PageIndex; var pageSize = query.__PageSize; pageIndex = pageIndex == 0 ? 1 : pageIndex; pageSize = pageSize == 0 ? 15 : pageSize; AddParam("pageIndex", pageIndex); AddParam("pageSize", pageSize); AddOutParam("count", -1); Dictionary <string, string> dic = new Dictionary <string, string>(); dic.Add("fields", fields); dic.Add("sort", orderBy); dic.Add("rowOver", rowOver); //string sql = string.Format("{0} with(nolock) where {1}", tableName, where); string sp = CompileSqlToSp(_DBAdapter.TemplatePage, condition, dic); CallBackDataReader reader; reader = new CallBackDataReader(dbHelper.RunDataReader(sp), () => { return(GetOutParam <int>("count")); }); ClearParame(); query.ExecuteTime += dbHelper.ExecuteTime; return(reader); }
/// <summary> /// 指定条件和参数进行更新 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="expression">条件</param> /// <param name="setValue">值</param> /// <returns></returns> public int Update <T>(Expression <Func <T, bool> > expression, ParameCollection setValue) where T : IModel, new() { if (setValue.Count == 0) { throw new Exception("更新时发生错误,参数值为空 ParameCollection setValue"); } LambdaQuery <T> query = new LambdaQuery <T>(this, false); string condition = query.FormatExpression(expression); //foreach (var n in query.QueryParames) //{ // AddParam(n.Key, n.Value); //} query.FillParames(this); var count = Update <T>(setValue, condition); UpdateCacheItem <T>(expression, setValue); //CacheUpdated(typeof(T).Name); return(count); }
/// <summary> /// 按是否能编译 /// </summary> /// <typeparam name="TModel"></typeparam> /// <param name="query"></param> /// <returns></returns> CallBackDataReader GetGroupPageReader <TModel>(LambdaQuery <TModel> query) where TModel : IModel, new() { if (_DBAdapter.CanCompileSP && query.__CompileSp) { return(GetSpGroupPageReader(query)); } CheckTableCreated <TModel>(); var condition = query.GetQueryConditions(); var fields = query.GetQueryFieldString(); if (!condition.Contains("group")) { throw new Exception("缺少group语法"); } var rowOver = query.__QueryOrderBy; if (string.IsNullOrEmpty(rowOver)) { throw new Exception("Group分页需指定Group排序字段"); //var table = TypeCache.GetTable(typeof(T)); //rowOver = string.Format("t1.{0} desc", table.PrimaryKey.Name); } var sort1 = System.Text.RegularExpressions.Regex.Replace(rowOver, @"t\d\.", ""); condition = _DBAdapter.SqlFormat(condition); query.FillParames(this); var pageIndex = query.__PageIndex; var pageSize = query.__PageSize; pageIndex = pageIndex == 0 ? 1 : pageIndex; pageSize = pageSize == 0 ? 15 : pageSize; string countSql = string.Format("select count(*) from (select count(*) as a from {0}) t", condition); int count = Convert.ToInt32(dbHelper.ExecScalar(countSql)); query.ExecuteTime += dbHelper.ExecuteTime; query.RowCount = count; if (count == 0) { return(null); } int pageCount = (count + pageSize - 1) / pageSize; if (pageIndex > pageCount) { pageIndex = pageCount; } var start = pageSize * (pageIndex - 1) + 1; var end = start + pageSize - 1; string sql = _DBAdapter.PageSqlFormat(fields, rowOver, condition, start, end, ""); //System.Data.Common.DbDataReader reader; //reader = dbHelper.ExecDataReader(sql); var reader = new CallBackDataReader(dbHelper.ExecDataReader(sql), () => { return(count); }); query.ExecuteTime += dbHelper.ExecuteTime; ClearParame(); return(reader); }
/// <summary> /// 对GROUP进行分页 /// </summary> /// <param name="query">包含了group的查询</param> /// <param name="count"></param> /// <returns></returns> public List <dynamic> AutoSpGroupPage <T>(LambdaQuery <T> query, out int count) where T : IModel, new() { var conditions = query.GetQueryConditions(); var fields = query.GetQueryFieldString(); if (!conditions.Contains("group")) { throw new Exception("缺少group语法"); } var rowOver = query.QueryOrderBy; if (string.IsNullOrEmpty(rowOver)) { rowOver = "t1.id desc"; } var sort1 = System.Text.RegularExpressions.Regex.Replace(rowOver, @"t\d\.", ""); conditions = _DBAdapter.SqlFormat(conditions); count = 0; //var parame = query.QueryParames; //foreach (var n in parame) //{ // AddParam(n.Key, n.Value); //} query.FillParames(this); var pageIndex = query.PageIndex; var pageSize = query.PageSize; pageIndex = pageIndex == 0 ? 1 : pageIndex; pageSize = pageSize == 0 ? 15 : pageSize; AddParam("pageIndex", pageIndex); AddParam("pageSize", pageSize); helper.AddOutParam("count", 1); Dictionary <string, string> dic = new Dictionary <string, string>(); dic.Add("fields", fields); dic.Add("rowOver", rowOver); //dic.Add("sort", sort1); string sp = CompileSqlToSp(_DBAdapter.TemplateGroupPage, conditions, dic); System.Data.Common.DbDataReader reader; try { reader = helper.RunDataReader(sp); count = GetOutParam <int>("count"); } catch (Exception ero) { if (ero.Message.Contains("找不到存储过程"))//删除后自动创建 { spCahe.Remove(sp); sp = CompileSqlToSp(_DBAdapter.TemplateGroupPage, conditions, dic); reader = helper.RunDataReader(sp); count = GetOutParam <int>("count"); } else { throw ero; } } ClearParame(); return(Dynamic.DynamicObjConvert.DataReaderToDynamic(reader)); }
/// <summary> /// 对表进行分页并编译成存储过程 /// </summary> /// <typeparam name="TItem"></typeparam> /// <param name="query"></param> /// <param name="count"></param> /// <returns></returns> public List <TItem> AutoSpPage <TItem>(LambdaQuery <TItem> query, out int count) where TItem : IModel, new() { CheckTableCreated <TItem>(); var fields = query.GetQueryFieldString(b => b.Length > 500 || b.PropertyType == typeof(byte[])); var rowOver = query.QueryOrderBy; if (string.IsNullOrEmpty(rowOver)) { rowOver = "t1.id desc"; } var orderBy = System.Text.RegularExpressions.Regex.Replace(rowOver, @"t\d\.", "t."); var condition = query.GetQueryConditions(); //var parame = query.QueryParames; condition = _DBAdapter.SqlFormat(condition); count = 0; query.FillParames(this); //foreach (var n in parame) //{ // AddParam(n.Key, n.Value); //} var pageIndex = query.PageIndex; var pageSize = query.PageSize; pageIndex = pageIndex == 0 ? 1 : pageIndex; pageSize = pageSize == 0 ? 15 : pageSize; AddParam("pageIndex", pageIndex); AddParam("pageSize", pageSize); AddOutParam("count", 1); Dictionary <string, string> dic = new Dictionary <string, string>(); dic.Add("fields", fields); dic.Add("sort", orderBy); dic.Add("rowOver", rowOver); //string sql = string.Format("{0} with(nolock) where {1}", tableName, where); string sp = CompileSqlToSp(_DBAdapter.TemplatePage, condition, dic); CallBackDataReader reader; try { reader = new CallBackDataReader(helper.RunDataReader(sp), () => { return(GetOutParam <int>("count")); }); //count = GetOutParam<int>("count"); } catch (Exception ero) { if (ero.Message.Contains("找不到存储过程"))//删除后自动创建 { spCahe.Remove(sp); sp = CompileSqlToSp(_DBAdapter.TemplatePage, condition, dic); reader = new CallBackDataReader(helper.RunDataReader(sp), () => { return(GetOutParam <int>("count")); }); } else { throw ero; } } var list = reader.GetData <TItem>(out count, query.FieldMapping); query.RowCount = count; ClearParame(); //return ObjectConvert.DataReaderToList<TItem>(reader); return(list); }