strcpy (rg, v);
		count++;
	    }
      }
    sqlite3_finalize (stmt);
    if (count != 1)
	return 0;
    if (!validateRowid (sqlite, table_name))
      {
	  free (rt);
	  free (rg);
	  return 0;
      }
    *real_table = rt;
    *real_geom = rg;

		strcpy (rg, v);
		count++;
	    }
      }
    sqlite3_finalize (stmt);
    if (count != 1)
	return 0;
    if (validateRowid (sqlite, table_name))
      {
	  free (rt);
	  free (rg);
	  return 0;
      }
    *real_table = rt;
    *real_geom = rg;

	  else
	      return 0;		/* sign is not the first/last string char */
      }
    return 1;			/* ok, can be a valid INTEGER value */
}

static int














































vrttxt_is_double (const char *value, char decimal_separator)
{
/* checking if this value can be a DOUBLE */
    int invalids = 0;
    int digits = 0;
    int signs = 0;
    int points = 0;
    char last = '\0';
    const char *p = value;
    while (*p != '\0')
................................................................................
	  if (*value == '+' || *value == '-' || last == '+' || last == '-')
	      ;
	  else
	      return 0;		/* sign is not the first/last string char */
      }
    return 1;			/* ok, can be a valid DOUBLE value */
}












static int
vrttxt_check_type (const char *value, char decimal_separator)
{
/* checking the Field type */
    if (*value == '\0')
	return VRTTXT_NULL;

	  else
	      return 0;		/* sign is not the first/last string char */
      }
    return 1;			/* ok, can be a valid INTEGER value */
}

static int
vrttxt_is_scientific_double (const char *value, char decimal_separator)
{
/* checking if this value can be a DOUBLE (scientific notation: -1.567E-16) */
    int points = 0;
    int exp = 0;
    int sign = 0;
    int invalid = 0;
    int digit2 = 0;
    int digit3 = 0;
    const char *p = value;
    if (*p == '-' || *p == '+')
	p++;			/* skipping the first sign */
    while (*p != '\0')
      {
	  if (*p == decimal_separator)
	    {
		if (digit2 == 0)
		    points++;
		else
		    invalid++;
	    }
	  else if (*p == 'E' || *p == 'e')
	      exp++;
	  else if (*p == '-' || *p == '+')
	    {
		if (exp && !digit3)
		    sign++;
		else
		    invalid++;
	    }
	  else if (*p >= '0' && *p <= '9')
	    {
		if (exp)
		    digit3++;
		else if (points)
		    digit2++;
	    }
	  p++;
      }
    if (digit2 >= 0 && exp == 1 && (sign == 0 || sign == 1) && digit3
	&& !invalid)
	return 1;
    return 0;
}

static int
vrttxt_is_plain_double (const char *value, char decimal_separator)
{
/* checking if this value can be a DOUBLE (normal case: -123.567 */
    int invalids = 0;
    int digits = 0;
    int signs = 0;
    int points = 0;
    char last = '\0';
    const char *p = value;
    while (*p != '\0')
................................................................................
	  if (*value == '+' || *value == '-' || last == '+' || last == '-')
	      ;
	  else
	      return 0;		/* sign is not the first/last string char */
      }
    return 1;			/* ok, can be a valid DOUBLE value */
}

static int
vrttxt_is_double (const char *value, char decimal_separator)
{
/* checking if this value can be a DOUBLE */
    if (vrttxt_is_plain_double (value, decimal_separator))
	return 1;
    if (vrttxt_is_scientific_double (value, decimal_separator))
	return 1;
    return 0;
}

static int
vrttxt_check_type (const char *value, char decimal_separator)
{
/* checking the Field type */
    if (*value == '\0')
	return VRTTXT_NULL;