On Tue, Aug 24, 2010 at 11:32 AM, agentzh <agentzh@gmail.com> wrote:
>
>        location /conv-uid {
>            internal;
>            content_by_lua_file 'html/foo.lua';
>        }
>

Sorry, forgot to paste the contents of my html/foo.lua here, and it's
the essential glue:

-- foo.lua
local yajl = require('yajl')
local seo_uri = ngx.var.my_uri
local res = ngx.location.capture('/conv-mysql?' .. seo_uri)
if (res.status ~= ngx.HTTP_OK) then
ngx.throw_error(res.status)
end
res = yajl.to_value(res.body)
if (not res or not res[1] or not res[1].url) then
ngx.throw_error(ngx.HTTP_INTERNAL_SERVER_ERROR)
end
ngx.var.my_uri = res[1].url;

This piece of Lua code is mostly self-explanatory if you do know a little Lua ;)

Tests have shown that enabling LuaJIT 2.0 here won't make things
noticeably faster because we do not have enough Lua for JIT'ing ;)

Have fun!
-agentzh

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