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();
}
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;
}
}
}
}