I am facing a rather strange GC related bug with LuaSQL.
I have a host app which calls a function in lua every second and the
simplified script looks some thing like this.
--
local env = assert (luasql.odbc())
local con = assert (env:connect(connectionstring))
function onesecondtimer ()
local cur = assert (con:execute (query))
local row = cur:fetch ({}, "a")
while row do
-- do something and fetch next
end
end
--
This apps is running almost 24 hours a day, but every once a while (
like every 2 days or so ), luaSQL returns "there are open connections"
error. digging through, it seems like env_close is being called (
without conn_close being called )
Okay, first of all, I am not really sure why env_close is being called
( i.e why is env object being GC'd ) I haven't been able to repro
this under a debugger, so i am not really sure what's happening.
Any pointer's on what might be happening ? or how i might debug this ?
note: I don't have any explicit close statements for env,connection or
the cursor.
-Ankit.
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