text: """
  .. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
  """
  
  
  MAX_VERBOSITY_LEVEL = 100
  
  # https://www.sqlite.org/fileformat2.html
  SQLITE_SYSTEM_TABLES = (
      "sqlite_master",
      "sqlite_sequence",
      "sqlite_stat1",
      "sqlite_stat2",
      "sqlite_stat3",
      "sqlite_stat4",
  )
  
  
  class SchemaHeader:
      ATTR_NAME = "Field"
      DATA_TYPE = "Type"
      KEY = "Key"
      DEFAULT = "Default"
      NULL = "Null"
      INDEX = "Index"
      EXTRA = "Extra"
  