C++ (Cpp) mysql_fetch_row_nonblocking示例

示例#1

文件： results.c 项目： WebSQL/wsql

static PyObject* wsql_result_fetch_row_async(wsql_result *self)
{
    PyObject *row = NULL, *result = NULL;
    MYSQL_ROW mysql_row;
    net_async_status status;

    CHECK_RESULT(self, NULL);

    status = mysql_fetch_row_nonblocking(self->result, &mysql_row);

    if (status == NET_ASYNC_NOT_READY)
    {
        row = Py_None;
        Py_INCREF(row);
    }
    else
    {
        row = wsql_result_convert_row(self, mysql_row);
    }

    if (row)
    {
        result = Py_BuildValue("(iO)", status, row);
        Py_DECREF(row);
        return result;
    }

    return NULL;
}

示例#2

文件： ext_mysql.cpp 项目： 191919/hhvm

static Variant HHVM_FUNCTION(mysql_async_fetch_array, const Resource& result,
                                               int result_type /* = 1 */) {
  if ((result_type & PHP_MYSQL_BOTH) == 0) {
    throw_invalid_argument("result_type: %d", result_type);
    return false;
  }

  auto res = php_mysql_extract_result(result);
  if (!res) {
    return false;
  }

  MYSQL_RES* mysql_result = res->get();
  if (!mysql_result) {
    raise_warning("invalid parameter to mysql_async_fetch_array");
    return false;
  }

  MYSQL_ROW mysql_row = nullptr;
  int status = mysql_fetch_row_nonblocking(mysql_result, &mysql_row);
  // Last row, or no row yet available.
  if (status != NET_ASYNC_COMPLETE) {
    return false;
  }
  if (mysql_row == nullptr) {
    res->close();
    return false;
  }

  unsigned long *mysql_row_lengths = mysql_fetch_lengths(mysql_result);
  if (!mysql_row_lengths) {
    return false;
  }

  mysql_field_seek(mysql_result, 0);

  Array ret;
  MYSQL_FIELD *mysql_field;
  int i;
  for (mysql_field = mysql_fetch_field(mysql_result), i = 0; mysql_field;
       mysql_field = mysql_fetch_field(mysql_result), i++) {
    Variant data;
    if (mysql_row[i]) {
      data = mysql_makevalue(String(mysql_row[i], mysql_row_lengths[i],
                                    CopyString), mysql_field);
    }
    if (result_type & PHP_MYSQL_NUM) {
      ret.set(i, data);
    }
    if (result_type & PHP_MYSQL_ASSOC) {
      ret.set(String(mysql_field->name, CopyString), data);
    }
  }

  return ret;
}