On Mon, Nov 10, 2014 at 1:32 PM, Eduard Moraru <[email protected]> wrote:
Of course, the other thing to do would be going the direction of helpful suggestions:
1) When creating a resource (pages, spaces, wikis) we can propose resources that already exist similar to the entered name. This solves both casing and spelling issues. The point is to avoid creation of similar resources when reusing would have been the best way to go.
2) When landing on a non-existing resource, we can suggest similar resources instead of just showing the standard "resource not found" message. This covers URL mistyping and outdated links. Side Note: Perhaps we could do some sort of similar improvement to wiki links that, when a document does not exist, directly point to edit the new page. Instead, they could point to the wiki creation step with prefilled form values and suggestions. Other ideas might exist here.
Big +1 for these. Something like: * Create page "test" -> "There is already a page named 'Test'. Are you sure you wan to create a new page?" * Go to /Space/test -> "Did you mean 'Test'?" / "Are you looking for 'Test'?"
General example: User enters "test" and the UI suggests both "Test" (casing) and "testing" (possible mistyping) existing resources.
We can use Solr. Thanks, Marius
This would probably be the simplest to implement without significant performance problems. However, this would be just UI candy and the platform would be left the way it is, a free-for-all.
Thanks, Eduard
On Mon, Nov 10, 2014 at 1:06 PM, Thomas Mortagne <[email protected]> wrote:
Pretty much the same comments here.
On personal side this is one of the thing I hate about Windows ("just do what the hell I told you to do and don't try to be clever").
On technical side everyone should understand that this is a huge refactoring that will produce regressions for at least one year. Another things is that it's slower so performance are going to be worst in most of the XWiki code.
On Mon, Nov 10, 2014 at 11:24 AM, Marius Dumitru Florea <[email protected]> wrote:
I'm undecided. As a technical Linux user I prefer case sensitivity, but I can see why this is sometimes unexpected for non-technical users. I'm not sure how you plan to implement this. I know this thread is not about the technical aspects but still I think it's important to consider the cost that this change will imply.
First, even for a case insensitive system, I think it's very important to preserve the case entered by the user. For instance, If I create a user with the alias 'myCoolAlias' then I wouldn't like to see 'mycoolalias' displayed in the UI. Same, if I attach a file named 'myCoolPresentation.odp' then I want to see precisely that name on the list of attachments. So we need to store case sensitive values in the database. The difference from now will be:
* when creating an entity: check that there's no other entity that has the same normalized reference (toLowerCase/toUpperCase)
* when retrieving an entity: look for normalized references
This means we'll have to call toLowerCase/toUpperCase very often so we need proper database indexes. Otherwise we'll have a performance impact.
Second, we have lots of places that query the database and since we have to store the raw case-sensitive values then we need to update all this places. Moreover, since it's not about a single field/column I'm not sure we can write a query filter to lower the case automatically. Then we also have a lot of extensions that query the database and that create entities. Those will have to be updated too.
Lastly, AFAIK lower case and upper case are locale dependent. The 'lower' query function doesn't have a locale parameter so it depends on the locale the database has been configured with. So there can be cases when a user won't be able to retrieve an entity using some locale dependent lowercase version of the reference because the database computes the lower case differently than what the user expects (because it uses a different locale).
Thanks,
Marius
On Nov 7, 2014 12:34 PM, "Eduard Moraru" <[email protected]> wrote:
Hi users and devs,
I would like to have your opinion on the topic of case sensitive vs case insensitive and which one you prefer in XWiki.
Currently, XWiki is case sensitive. This means the same resource name (document name, space name, etc) can be written with either small
letters
or big letters or a mix.
Examples: You can have both "Main.Test" and "Main.test" as 2 different documents. Also, you can have "XWiki.Admin" and "XWiki.admin" as 2 different users. This also applies to URLs, as "/Main/Test" is different from "/Main/test" or "/main/test", so all these 3 are different resources.
Even from this short description, one can already identify possible problems of this approach.
From the top 3 operating systems (Linux, Mac an Windows), only Linux is case sensitive, the other two (more user-focused Operating Systems) are both case insensitive.
Since XWiki has one of its main targets the Enterprise users, it is safe to assume that the correct approach would be to also be more user-focused and simplify things and avoid confusions by being case insensitive as well.
Also, a quick search on existing issues validates the need for this improvement: http://jira.xwiki.org/issues/?jql=text%20~%20%22case%20insensitive%22
What do you think? Is it OK to keep XWiki case sensitive, or would you prefer it case insensitive? Bring arguments.
I have also created a jira issue for this idea: http://jira.xwiki.org/browse/XWIKI-11412 to track it in the future.
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