public async Task <QueryResult <SQueueProcessGroup> > QueryByName(string name, int page, int pageSize) { QueryResult <SQueueProcessGroup> result = new QueryResult <SQueueProcessGroup>(); await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, _messageQueueConnectionFactory.CreateReadForMessageQueueMain(), async (conn, transaction) => { SqlTransaction sqlTran = null; if (transaction != null) { sqlTran = (SqlTransaction)transaction; } await using (SqlCommand commond = new SqlCommand() { Connection = (SqlConnection)conn, CommandType = CommandType.Text, Transaction = sqlTran, CommandText = string.Format(@"set @currentpage=@page select @count= count(*) from SQueueProcessGroup where [name] like @name if @pagesize*@page>=@count begin set @currentpage= @count/@pagesize if @count%@pagesize<>0 begin set @currentpage=@currentpage+1 end if @currentpage=0 set @currentpage=1 end else if @page<1 begin set @currentpage=1 end select {0} from SQueueProcessGroup where [name] like @name order by [sequence] offset (@pagesize * (@currentpage - 1)) rows fetch next @pagesize rows only;" , StoreHelper.GetSQueueProcessGroupSelectFields(string.Empty)) }) { var parameter = new SqlParameter("@page", SqlDbType.Int) { Value = page }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@pagesize", SqlDbType.Int) { Value = pageSize }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@name", SqlDbType.VarChar, 200) { Value = $"{name.ToSqlLike()}%" }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@count", SqlDbType.Int) { Direction = ParameterDirection.Output }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@currentpage", SqlDbType.Int) { Direction = ParameterDirection.Output }; commond.Parameters.Add(parameter); await commond.PrepareAsync(); SqlDataReader reader = null; await using (reader = await commond.ExecuteReaderAsync()) { while (await reader.ReadAsync()) { var group = new SQueueProcessGroup(); StoreHelper.SetSQueueProcessGroupSelectFields(group, reader, string.Empty); result.Results.Add(group); } await reader.CloseAsync(); result.TotalCount = (int)commond.Parameters["@count"].Value; result.CurrentPage = (int)commond.Parameters["@currentpage"].Value; } } }); return(result); }
public async Task <SQueueProcessGroup> QueryByName(string name) { SQueueProcessGroup group = null; await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, _messageQueueConnectionFactory.CreateReadForMessageQueueMain(), async (conn, transaction) => { SqlTransaction sqlTran = null; if (transaction != null) { sqlTran = (SqlTransaction)transaction; } await using (SqlCommand commond = new SqlCommand() { Connection = (SqlConnection)conn, CommandType = CommandType.Text, Transaction = sqlTran, CommandText = string.Format(@"select {0} from SQueueProcessGroup where [name]=@name", StoreHelper.GetSQueueProcessGroupSelectFields(string.Empty)) }) { var parameter = new SqlParameter("@name", SqlDbType.VarChar, 150) { Value = name }; commond.Parameters.Add(parameter); await commond.PrepareAsync(); SqlDataReader reader = null; await using (reader = await commond.ExecuteReaderAsync()) { if (await reader.ReadAsync()) { group = new SQueueProcessGroup(); StoreHelper.SetSQueueProcessGroupSelectFields(group, reader, string.Empty); } await reader.CloseAsync(); } } }); return(group); }