It turns out that I did do some pre-computing here. See db1047.eqiad.wmnet:staging.editor_month_by_namespace[staging]> explain editor_month_by_namespace;+----------------+--------------+------+-----+---------+-------+| Field | Type | Null | Key | Default | Extra |+----------------+--------------+------+-----+---------+-------+| wiki | varchar(50) | NO | PRI | | || month | varbinary(7) | NO | PRI | | || user_id | varchar(255) | NO | PRI | | || page_namespace | int(11) | NO | PRI | 0 | || archived | int(11) | YES | | NULL | || revisions | int(11) | YES | | NULL | || mmonth | date | YES | | NULL | || reverted | int(11) | YES | | NULL | |+----------------+--------------+------+-----+---------+-------+8 rows in set (0.01 sec)As you'll notice, the table has a column for Wiki -- which means you can use it to do cross-wiki analysis.mmonth and reverted were added by Leila, so she'll need to comment on that.Otherwise:
- wiki - wikidb name (e.g. "enwiki")
- month - YYYYMM
- user_id - corresponds to user table
- page_namespace - namespace ID number
- archived - # of revisions to deleted pages
- revisions - # of all revisions (archived or not)
-AaronOn Thu, Jan 8, 2015 at 9:00 AM, Dan Andreescu <dandreescu@wikimedia.org> wrote:_______________________________________________On Thu, Jan 8, 2015 at 2:33 AM, Oliver Keyes <okeyes@wikimedia.org> wrote:On 8 January 2015 at 02:31, Gergo Tisza <gtisza@wikimedia.org> wrote:
> On Wed, Jan 7, 2015 at 6:26 PM, Oliver Keyes <okeyes@wikimedia.org> wrote:
>>
>> places to get edits? Well....the revision table? I'm sort of confused
>> as to what you're looking for, I guess, that the db wouldn't have.
>
>
> There are a thousand or so wikis; it would be nice if there was a single
> table with all the edits. I guess I can generate a query with a thousand
> unions...We agree. And that's why we're building a data warehouse. We are currently going back and forth with Sean vetting a load process that creates exactly the "edit" table as you describe it. The nice thing about the schema we are putting together is that not only would you be able to see the namespace of the page at the time of query but also throughout the page's history (as it moves from draft to main, etc.)>
> The harder problem is that it would be nice to group by editor activity
> levels. One of the concerns about MediaViewer was that it makes harder for
> new editors to understand file pages and start editing them; so it would be
> a plausible hypothesis that the number of file edits by new editors would
> drop sharply after making MV default, but the total file edit count wouldn't
> be visibly affected because it would be dominated by power users who already
> know how to curate image metadata.
>
> So I would like to look at something like the number of first edits per
> month, or the number of edits by editors who at the time had less than 10
> edits... recovering that kind of data from the revision table seems
> extremely difficult.
Yeah, that is difficult. Aaron has, I believe, precomputed some things; Aaron?IANAA (I am not an Aaron) but I'm happy to help with the query. I know of most of the stuff Aaron pre-computed as of a couple of months ago and this specific thing wasn't done. Gergo, if you could precisely spell out a few queries you'd like to do, I can translate to SQL and use the experience to inform our data warehouse work.
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