public async Task <SQueue> QueryByCode(string groupName, bool isDead, int code) { SQueue queue = 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 SQueue where [groupname]=@groupname and [code]=@code and [isdead]=@isdead", StoreHelper.GetSQueueSelectFields(string.Empty)) }) { var parameter = new SqlParameter("@groupname", SqlDbType.VarChar, 150) { Value = groupName }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@code", SqlDbType.Int) { Value = code }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@isdead", SqlDbType.Bit) { Value = isDead }; commond.Parameters.Add(parameter); await commond.PrepareAsync(); SqlDataReader reader = null; await using (reader = await commond.ExecuteReaderAsync()) { if (await reader.ReadAsync()) { queue = new SQueue(); StoreHelper.SetSQueueSelectFields(queue, reader, string.Empty); } await reader.CloseAsync(); } } }); return(queue); }
public async Task <SQueue> QueryById(Guid id) { SQueue queue = 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 SQueue where [id]=@id", StoreHelper.GetSQueueSelectFields(string.Empty)) }) { var parameter = new SqlParameter("@id", SqlDbType.UniqueIdentifier) { Value = id }; commond.Parameters.Add(parameter); await commond.PrepareAsync(); SqlDataReader reader = null; await using (reader = await commond.ExecuteReaderAsync()) { if (await reader.ReadAsync()) { queue = new SQueue(); StoreHelper.SetSQueueSelectFields(queue, reader, string.Empty); } await reader.CloseAsync(); } } }); return(queue); }
public async Task QueryByProceeGroup(string processGroupName, Func <SQueue, Task> callback) { List <SQueue> queueList = new List <SQueue>(); await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, _messageQueueConnectionFactory.CreateReadForMessageQueueMain(), async (conn, transaction) => { Int64?sequence = null; int pageSize = 500; while (true) { queueList.Clear(); SqlTransaction sqlTran = null; if (transaction != null) { sqlTran = (SqlTransaction)transaction; } await using (SqlCommand commond = new SqlCommand() { Connection = (SqlConnection)conn, CommandType = CommandType.Text, Transaction = sqlTran }) { if (!sequence.HasValue) { commond.CommandText = string.Format(@"select top (@pagesize) {0} from SQueue as q join SQueueProcessGroup as g on q.processgroupid=g.id where g.[name]=@processgroupname order by [sequence]", StoreHelper.GetSQueueSelectFields("q")); } else { commond.CommandText = string.Format(@"select top (@pagesize) {0} from SQueue as q join SQueueProcessGroup as g on q.processgroupid=g.id where g.[name]=@processgroupname and [q.sequence]>@sequence order by [sequence]", StoreHelper.GetSQueueSelectFields("q")); } var parameter = new SqlParameter("@processgroupname", SqlDbType.VarChar, 150) { Value = processGroupName }; commond.Parameters.Add(parameter); parameter = new SqlParameter("@pagesize", SqlDbType.Int) { Value = pageSize }; commond.Parameters.Add(parameter); if (sequence.HasValue) { parameter = new SqlParameter("@sequence", SqlDbType.BigInt) { Value = sequence }; commond.Parameters.Add(parameter); } await commond.PrepareAsync(); SqlDataReader reader = null; await using (reader = await commond.ExecuteReaderAsync()) { while (await reader.ReadAsync()) { var queue = new SQueue(); StoreHelper.SetSQueueSelectFields(queue, reader, string.Empty); sequence = (Int64)reader["q.sequence"]; queueList.Add(queue); } await reader.CloseAsync(); } } foreach (var queueItem in queueList) { await callback(queueItem); } if (queueList.Count != pageSize) { break; } } }); }
public async Task <QueryResult <SQueue> > QueryByProceeGroup(string processGroupName, int page, int pageSize) { QueryResult <SQueue> result = new QueryResult <SQueue>(); 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 SQueue as q join SQueueProcessGroup as g on q.processgroupid=g.id where g.[name]=@processgroupname 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 SQueue as q join SQueueProcessGroup as g on q.processgroupid=g.id where g.[name]=@processgroupname order by [sequence] offset (@pagesize * (@currentpage - 1)) rows fetch next @pagesize rows only;" , StoreHelper.GetSQueueSelectFields("q")) }) { 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("@processgroupname", SqlDbType.NVarChar, 100) { Value = processGroupName }; 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 queue = new SQueue(); StoreHelper.SetSQueueSelectFields(queue, reader, string.Empty); result.Results.Add(queue); } await reader.CloseAsync(); result.TotalCount = (int)commond.Parameters["@count"].Value; result.CurrentPage = (int)commond.Parameters["@currentpage"].Value; } } }); return(result); }