koshoi

_G.ls = setmetatable({}, {
  __serialize = function()
    local res = {}

    for _, sp_info in box.space._space:pairs(512, { iterator = "GE" }) do
      local sp   = box.space[sp_info.name]
      local info = {}
      info.name   = tostring(sp.name)
      info.engine = tostring(sp.engine)
      info.len    = tostring(sp:len())