Esempio n. 1
0
/*
 * cursor_has_set_vobjs () -
 *   return: nonzero iff set has some vobjs, zero otherwise
 *   seq(in): set/sequence db_value
 */
static bool
cursor_has_set_vobjs (DB_SET * set)
{
  int i, size;
  DB_VALUE element;

  size = db_set_size (set);

  for (i = 0; i < size; i++)
    {
      if (db_set_get (set, i, &element) != NO_ERROR)
	{
	  return false;
	}

      if (DB_VALUE_TYPE (&element) == DB_TYPE_VOBJ)
	{
	  pr_clear_value (&element);
	  return true;
	}

      pr_clear_value (&element);
    }

  return false;
}
Esempio n. 2
0
/*
 * cursor_fixup_set_vobjs() - if val is a set/seq of vobjs then
 * 			    turn it into a set/seq of vmops
 *   return: NO_ERROR on all ok, ER status( or ER_FAILED) otherwise
 *   val(in/out): a db_value
 */
static int
cursor_fixup_set_vobjs (DB_VALUE * value_p)
{
  DB_TYPE type;
  int rc, i, size;
  DB_VALUE element;
  DB_SET *set, *new_set;

  type = DB_VALUE_TYPE (value_p);
  if (!pr_is_set_type (type))
    {
      return ER_FAILED;
    }

  set = DB_GET_SET (value_p);
  size = db_set_size (set);

  if (cursor_has_set_vobjs (set) == false)
    {
      return set_convert_oids_to_objects (set);
    }

  switch (type)
    {
    case DB_TYPE_SET:
      new_set = db_set_create_basic (NULL, NULL);
      break;
    case DB_TYPE_MULTISET:
      new_set = db_set_create_multi (NULL, NULL);
      break;
    case DB_TYPE_SEQUENCE:
      new_set = db_seq_create (NULL, NULL, size);
      break;
    default:
      return ER_FAILED;
    }

  /* fixup element vobjs into vmops and add them to new */
  for (i = 0; i < size; i++)
    {
      if (db_set_get (set, i, &element) != NO_ERROR)
	{
	  db_set_free (new_set);
	  return ER_FAILED;
	}

      if (cursor_fixup_vobjs (&element) != NO_ERROR)
	{
	  db_set_free (new_set);
	  return ER_FAILED;
	}

      if (type == DB_TYPE_SEQUENCE)
	{
	  rc = db_seq_put (new_set, i, &element);
	}
      else
	{
	  rc = db_set_add (new_set, &element);
	}

      if (rc != NO_ERROR)
	{
	  db_set_free (new_set);
	  return ER_FAILED;
	}
    }

  pr_clear_value (value_p);

  switch (type)
    {
    case DB_TYPE_SET:
      DB_MAKE_SET (value_p, new_set);
      break;
    case DB_TYPE_MULTISET:
      DB_MAKE_MULTISET (value_p, new_set);
      break;
    case DB_TYPE_SEQUENCE:
      DB_MAKE_SEQUENCE (value_p, new_set);
      break;
    default:
      db_set_free (new_set);
      return ER_FAILED;
    }

  return NO_ERROR;
}
Esempio n. 3
0
static int
dbmt_user_login (int argc, char *argv[], int opt_begin)
{
  const char *outfile, *errfile, *dbname, *dbuser, *dbpasswd;
  FILE *outfp = NULL, *errfp = NULL;
  bool isdba = false;

  if (argc - opt_begin < 5)
    return -1;

  outfile = argv[opt_begin++];
  outfile = (outfile) ? outfile : "";

  errfile = argv[opt_begin++];
  errfile = (errfile) ? errfile : "";

  dbname = argv[opt_begin++];
  dbname = (dbname) ? dbname : "";

  dbuser = argv[opt_begin++];
  dbuser = (dbuser) ? dbuser : "";

  dbpasswd = argv[opt_begin++];
  dbpasswd = (dbpasswd) ? dbpasswd : "";

  outfp = fopen (outfile, "w");
  errfp = fopen (errfile, "w");
  if (outfp == NULL || errfp == NULL)
    {
      goto login_err;
    }

  db_login (dbuser, dbpasswd);
  if (db_restart (argv[0], 0, dbname) < 0)
    {
      fprintf (errfp, "%s", db_error_string (1));
      goto login_err;
    }

  if (strcasecmp (dbuser, "DBA") == 0)
    {
      isdba = true;
    }
  else
    {
      DB_OBJECT *user, *obj;
      DB_VALUE v;
      DB_COLLECTION *col;
      int i;
      char *username;

      user = db_find_user (dbuser);
      if (user == NULL)
	{
	  fprintf (errfp, "%s", db_error_string (1));
	  goto login_err;
	}
      db_get (user, "groups", &v);
      col = db_get_set (&v);
      for (i = 0; i < db_set_size (col); i++)
	{
	  db_set_get (col, i, &v);
	  obj = db_get_object (&v);
	  db_get (obj, "name", &v);
	  username = db_get_string (&v);
	  if (username != NULL && strcasecmp (username, "DBA") == 0)
	    {
	      isdba = true;
	      break;
	    }
	}
    }

  if (isdba == true)
    fprintf (outfp, "isdba\n");
  else
    fprintf (outfp, "isnotdba\n");

  db_shutdown ();
  fclose (outfp);
  fclose (errfp);
  return 0;

login_err:
  db_shutdown ();
  if (outfp != NULL)
    fclose (outfp);
  if (errfp != NULL)
    fclose (errfp);
  return -1;
}
Esempio n. 4
0
/*
 * set_to_string() - convert set value to string
 *   return: formatted string
 *   value(in): set value to convert
 *   begin_notation(in): character to use to denote begin of set
 *   end_notation(in): character to use to denote end of set
 *   max_entries(in): maximum number of entries to convert. -1 for all
 *   plain_string(in): refine string for plain output
 */
static char *
set_to_string (DB_VALUE * value, char begin_notation, char end_notation, int max_entries, bool plain_string)
{
  int cardinality, total_string_length, i;
  char **string_array;
  char *return_string = NULL;
  DB_VALUE element;
  int set_error;
  DB_SET *set;

  set = DB_GET_SET (value);
  if (set == NULL)
    {
      return (NULL);
    }

  /* pre-fetch any objects in the set, this will prevent multiple server calls during set rendering */
  db_fetch_set (set, DB_FETCH_READ, 0);

  /* formerly we filtered out deleted elements here, now just use db_set_size to get the current size, including NULL & 
   * deleted elements */
  cardinality = db_set_size (set);

  if (cardinality < 0)
    {
      return (NULL);
    }
  else if (cardinality == 0)
    {
      char temp_buffer[4];

      i = 0;
      if (begin_notation != '\0')
	{
	  temp_buffer[i++] = begin_notation;
	}
      if (end_notation != '\0')
	{
	  temp_buffer[i++] = end_notation;
	}
      temp_buffer[i] = '\0';
      return (duplicate_string ((const char *) &(temp_buffer[0])));
    }

  if (max_entries != -1 && max_entries < cardinality)
    {
      cardinality = max_entries;
    }
  string_array = (char **) malloc ((cardinality + 2) * sizeof (char *));
  if (string_array == NULL)
    {
      return (NULL);
    }

  memset (string_array, 0, (cardinality + 2) * sizeof (char *));

  total_string_length = cardinality * 2;
  for (i = 0; i < cardinality; i++)
    {
      set_error = db_set_get (set, i, &element);
      if (set_error != NO_ERROR)
	{
	  goto finalize;
	}
      string_array[i] = csql_db_value_as_string (&element, NULL, plain_string);
      db_value_clear (&element);
      if (string_array[i] == NULL)
	{
	  string_array[i] = duplicate_string ("NULL");
	  if (string_array[i] == NULL)
	    {
	      goto finalize;
	    }
	}
      total_string_length += strlen (string_array[i]);
    }				/* for (i = 0; i < cardinality... */

  return_string = (char *) malloc (total_string_length + 4);
  if (return_string == NULL)
    {
      goto finalize;
    }

  if (begin_notation != '\0')
    {
      (void) sprintf (return_string, "%c%s", begin_notation, string_array[0]);
    }
  else
    {
      (void) strcpy (return_string, string_array[0]);
    }

  for (i = 1; i < cardinality; i++)
    {
      (void) strcat (return_string, ", ");
      (void) strcat (return_string, string_array[i]);
    }
  if (end_notation != '\0')
    {
      int len = strlen (return_string);

      return_string[len++] = end_notation;
      return_string[len] = '\0';
    }

finalize:
  for (i = 0; i < cardinality; i++)
    {
      if (string_array[i] == NULL)
	{
	  break;
	}
      free_and_init (string_array[i]);
    }
  free_and_init (string_array);

  return return_string;
}