示例#1
0
        public static string ToJSON(OracleDataReader rdr)
        {
            StringBuilder sb = new StringBuilder();

            if (rdr.HasRows)
            {
                sb.Append("[");
                while (rdr.Read())
                {
                    sb.Append("{");
                    for (var i = 0; i < rdr.FieldCount; i++)
                    {
                        sb.Append("\""+rdr.GetName(i)+"\":\"");
                        sb.Append(rdr[i].ToString().Trim() + "\",");

                    }
                    sb.Remove(sb.Length - 1, 1);
                    sb.Append("},");

                }
                sb.Remove(sb.Length - 1, 1);
                sb.Append("]");
            }
            else
            {
                sb.Append("[]");

            }
            return sb.ToString();
        }
示例#2
0
 public override string GetName(int ordinal)
 {
     return(rdr.GetName(ordinal));
 }
        /// <summary>
        /// Transfere dados do banco de dados atual para um banco de dados de destino.
        /// Conexão com o banco de destino precisa estar aberta.
        /// Não pára a execução se der um problema num comando de inserção específico.
        /// </summary>
        /// <returns>Número de linhas transferidas.</returns>
        /// <param name="p_query">Consulta SQL para buscar os dados no banco atual.</param>
        /// <param name="p_insert">Comando de inserção para inserir cada linha no banco de destino.</param>
        /// <param name="p_destdatabase">Conexão com o banco de destino.</param>
        /// <param name="p_progress">Evento de progresso.</param>
        /// <param name="p_error">Evento de erro.</param>
        public override uint Transfer(string p_query, Spartacus.Database.Command p_insert, Spartacus.Database.Generic p_destdatabase, Spartacus.Utils.ProgressEventClass p_progress, Spartacus.Utils.ErrorEventClass p_error)
        {
            uint v_transfered = 0;
            string v_insert;

            p_progress.FireEvent(v_transfered);

            if (this.v_con == null)
            {
                try
                {
                    this.v_con = new System.Data.OracleClient.OracleConnection(this.v_connectionstring);
                    this.v_con.Open();
                    this.v_cmd = new System.Data.OracleClient.OracleCommand(p_query, this.v_con);
                    this.v_reader = this.v_cmd.ExecuteReader();

                    while (v_reader.Read())
                    {
                        for (int i = 0; i < v_reader.FieldCount; i++)
                            p_insert.SetValue(this.FixColumnName(v_reader.GetName(i)).ToLower(), v_reader[i].ToString());

                        v_insert = p_insert.GetUpdatedText();
                        try
                        {
                            p_destdatabase.Execute(v_insert);
                            v_transfered++;
                            p_progress.FireEvent(v_transfered);
                        }
                        catch (Spartacus.Database.Exception e)
                        {
                            p_error.FireEvent(v_insert + "\n" + e.v_message);
                        }
                    }

                    return v_transfered;
                }
                catch (System.Data.OracleClient.OracleException e)
                {
                    throw new Spartacus.Database.Exception(e);
                }
                finally
                {
                    if (this.v_reader != null)
                    {
                        this.v_reader.Close();
                        this.v_reader = null;
                    }
                    if (this.v_cmd != null)
                    {
                        this.v_cmd.Dispose();
                        this.v_cmd = null;
                    }
                    if (this.v_con != null)
                    {
                        this.v_con.Close();
                        this.v_con = null;
                    }
                }
            }
            else
            {
                try
                {
                    this.v_cmd.CommandText = p_query;
                    this.v_reader = this.v_cmd.ExecuteReader();

                    while (v_reader.Read())
                    {
                        for (int i = 0; i < v_reader.FieldCount; i++)
                            p_insert.SetValue(this.FixColumnName(v_reader.GetName(i)).ToLower(), v_reader[i].ToString());

                        v_insert = p_insert.GetUpdatedText();
                        try
                        {
                            p_destdatabase.Execute(v_insert);
                            v_transfered++;
                            p_progress.FireEvent(v_transfered);
                        }
                        catch (Spartacus.Database.Exception e)
                        {
                            p_error.FireEvent(v_insert + "\n" + e.v_message);
                        }
                    }

                    return v_transfered;
                }
                catch (System.Data.OracleClient.OracleException e)
                {
                    throw new Spartacus.Database.Exception(e);
                }
                finally
                {
                    if (this.v_reader != null)
                    {
                        this.v_reader.Close();
                        this.v_reader = null;
                    }
                }
            }
        }