Here's the quickest way to answer your question.  You don't need to go through the trouble of a Tool Labs account to run a query. 

http://quarry.wmflabs.org/query/1181

On Thu, Dec 11, 2014 at 10:46 AM, practikal mind <practikalmind@gmail.com> wrote:

thanks Brad, I created an account in Tools Lab and a public SSH key. How long will it take to approve my request before I can submit queries?

On Thu, Dec 11, 2014 at 6:45 AM, Brad Jorsch (Anomie) <bjorsch@wikimedia.org> wrote:

On Thu, Dec 11, 2014 at 5:11 AM, practikal mind <practikalmind@gmail.com> wrote:

How do I find out the range of pageids that are currently in use in wikipedia?

I don't know of any straightforward way to do this via the API. But if you get an account on Tool Labs,[1] it's a simple SQL query: SELECT MIN(page_id), MAX(page_id) FROM page.

 [1]: https://tools.wmflabs.org/

 

Do pageids always remain constant?

If a page is deleted and then undeleted, the page id might change.

 

Can a certain pageid cease to exist?

If the page is deleted, yes. Special:MergeHistory will probably eliminate one of the involved page ids too.

--

Brad Jorsch (Anomie)
Software Engineer
Wikimedia Foundation

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