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- Subject: Re: Error handling strategy for Redis multi-bulk replies, in context of Lua bindings
- From: Alexander Gladysh <agladysh@...>
- Date: Thu, 24 Mar 2011 14:52:06 +0300
On Thu, Mar 24, 2011 at 05:52, Robert G. Jakabosky
> On Wednesday 23, Alexander Gladysh wrote:
>> SET a 3
>> LPOP a
>> INCR a
>> 1. OK
>> 2. (error) ERR Operation against a key holding the wrong kind of value
>> 3. (integer) 4
>> How should this result be returned to Lua?
>> -- how to express error message here?
>> P.S. Note that "OK" is a status reply (REDIS_REPLY_STATUS), not a
>> string (REDIS_REPLY_STRING). I'd like to separate those two as well,
>> but this is of much less priority (I think).
> I would wrap status/error replies in a status userdata object with a is_error
> field/method. For string/number reply values convert them to basic lua
Interesting idea. I'm trying to imagine how the user's code would look
like. Wouldn't it be too cumbersome to work with?