1.1 --- a/framework/env/request/add_variable.lua	Sun Mar 15 01:08:00 2015 +0100
     1.2 +++ b/framework/env/request/add_variable.lua	Sun Mar 15 01:14:21 2015 +0100
     1.3 @@ -5,18 +5,23 @@
     1.4    value                -- optional value for initialization
     1.5  )
     1.6  
     1.7 -Marks a field of a table to be re-initialized for every request. If this variable (i.e. the field of the table) is modified before the first requst is being handled (e.g. during configuration or pre-/post-fork initializers), then the modified value will be used for re-initialization on every request. See env/request/__init.lua for an example.
     1.8 +Marks a field of a table to be re-initialized for every request. If this variable (i.e. the field of the table) is modified before the first requst is being handled (e.g. during configuration or pre-/post-fork initializers), then the modified value will be used for re-initialization on every request. If the (modified) value is a table, the table will be cloned on every request to avoid side-effects between different requests. Note, however, that only the first level of the table is cloned. See env/request/__init.lua for examples.
     1.9  
    1.10  --]]--
    1.11  
    1.12  function request.add_variable(tbl, key, value)
    1.13 -  local initialized_value
    1.14 +  local initval, istable
    1.15    tbl[key] = value
    1.16    request.add_initializer(function(first)
    1.17      if first then
    1.18 -      initialized_value = tbl[key]
    1.19 +      initval = tbl[key]
    1.20 +      istable = type(initval) == "table"
    1.21      else
    1.22 -      tbl[key] = initialized_value
    1.23 +      if istable then
    1.24 +        tbl[key] = table.new(initval)
    1.25 +      else
    1.26 +        tbl[key] = initval
    1.27 +      end
    1.28      end
    1.29    end)
    1.30  end