Comment 7 for bug 646124

On Fri, Sep 24, 2010 at 2:59 PM, Markus Korn <email address hidden> wrote:

> Ok, maybe there were some misunderstandings, I was looking for some real
> life questions...
> Let's assume this one:
> "What were the first three actors accessing '/home/markus/seif.txt'"
>

This is not the same as "What were the lease recent actors accessing
'/home/markus/seif.txt'
One will give u the oldest events and the other will give u the latest
events sorted ASC.

> With the current definition of LeastRecentActors the query would look like
> >>> template = Event.new_for_values(subject_uri="/home/markus/seif.txt")
> >>> events = FindEvents(TimeRange.Always(), [template,], Any, 3,
> LeastRecentActor)
> >>> actors = [e.actor for e in events]
>
> This would not work anymore if we do the change you propose. So what I want
> you to tell me is:
> * How will the query look like in your definition?
>

The query will be the same the return however won't

> * Can you give me a similar question which gives a usecase for your
> definition?
>

I just did :)

>
> --
> Wrong understanding of the LeastRecentActors
> https://bugs.launchpad.net/bugs/646124
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Zeitgeist Framework: New
>
> Bug description:
> In an attempt to work on bug #641968 I discovered that we some of us defer
> on the understanding of LeastRecentActor
>
> The documentation stated that LeastRecentActor = enum_factory(("The first
> event of each different actor"))
>
> Let's assume we have sequential events. (The actors are defined by numbers)
>
> 2, 1, 3, 2, 1, 4
>
> So we have 4 different actors (1,2,3,4) and we want to sort them by least
> recent.
> the least recent is not 2 or 1 since they are used again at the end. the
> least recent is 3
>
> This means LeastRecentActors should return the latest actors sorted ASC:
>
> 3, 2, 1, 4
>
> and not
>
> 2, 1, 3, 4
>
> When we look at LeastRecentSubjects = enum_factory(("One event for each
> subject only, "
> "ordered with oldest events first"))
> My understanding according to Siegfried is:
>
> <seif_> RainCT,
> <seif_> LeastRecentSubjects = enum_factory(("One event for each subject
> only, "
> <seif_> "ordered with oldest events first")
> <seif_> so i f i have
> <seif_> the subject
> <seif_> 1, 2, 1, 3, 4
> <seif_> what do i get returned
> <seif_> 1, 2, 3, 4
> <seif_> or
> <seif_> 2, 1, 3, 4
> <seif_> ?
> <RainCT> seif_: the later
> <RainCT> for each subject you only look at the most recent one
> <seif_> ok then we should do the same for the actors :)
> <RainCT> Yes. Isn't it like this already?
> <seif_> no
>
> In that case if we follow this convention I can update the doc strings and
> already have the bug fix for both this bug and #641968
>
>
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/zeitgeist/+bug/646124/+subscribe
>

--
This is me doing some advertisement for my blog http://seilo.geekyogre.com