Пример #1
0
        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);
        }
Пример #2
0
        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);
        }