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Oct 4th, 2018
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  1. protected Void doInBackground(Void... params) {
  2. System.out.println("HAGOLAWEA");
  3. Log.e("redirect", "llegue al try");
  4. try {
  5. this.ConectarBaseDeDatos();
  6. Log.e("redirect", "conecte?" + !c.isClosed());
  7. if (conectado) {
  8. Log.e("redirect", "llegue al switch " + tipo);
  9. tipo = 1; // esta wea para que entre al caso
  10. switch (tipo) {
  11. case 1:
  12. query = "SELECT * FROM ayudantia_udec.alumno;";
  13. // + " WHERE al.usuario = '" + _alumno.get_nombre() + "' AND al.contraseña = '" + _alumno.get_password() + "';";
  14. c = DriverManager.getConnection("jdbc:postgresql://plop.inf.udec.cl:5432/karleyparada/ayudantia_udec", "karleyparada", "karley.123");
  15. c.setAutoCommit(false);
  16. stmt = c.createStatement();
  17. rs = stmt.executeQuery(query);
  18.  
  19. entro = false;
  20. //System.out.println("+++" + rs.first()); // comente esta wea
  21. while (rs.next()) {
  22. entro = true;
  23. Log.e("datos", rs.getString(1)); // esta wea parece que parte de 1
  24. }
  25. stmt.close();
  26. rs.close();
  27. c.commit();
  28. c.close();
  29. break;
  30. }
  31. }
  32. } catch (SQLException e) {
  33. System.err.println(e.getClass().getName() + ": " + e.getMessage());
  34. estado = 0;
  35. }
  36. return null;
  37. }
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