【原創】大叔經驗分享（56）hue導出行數限制

/opt/cloudera/parcels/CDH/lib/hue/apps/beeswax/src/beeswax/conf.py

# Deprecated
DOWNLOAD_CELL_LIMIT = Config(
  key='download_cell_limit',
  default=10000000,
  type=int,
  help=_t('A limit to the number of cells (rows * columns) that can be downloaded from a query '
          '(e.g. - 10K rows * 1K columns = 10M cells.) '
          'A value of -1 means there will be no limit.'))

def get_deprecated_download_cell_limit():
  """Get the old default"""
  return DOWNLOAD_CELL_LIMIT.get() / 100 if DOWNLOAD_CELL_LIMIT.get() > 0 else DOWNLOAD_CELL_LIMIT.get()

DOWNLOAD_ROW_LIMIT = Config(
  key='download_row_limit',
  dynamic_default=get_deprecated_download_cell_limit,
  type=int,
  help=_t('A limit to the number of rows that can be downloaded from a query before it is truncated. '
          'A value of -1 means there will be no limit.'))