Bug 442768

Doing some more bad SQL (`sqlite> select distinct FolderTable.Name from IndexTable, FileNameTable, FolderTable where Identifier like 'Q%' and IndexTable.FileId = FileNameTable.FileId and FileNameTable.Name = 'tabs.css' and FileNameTable.FolderId = FolderTable.Id;`) it seems like all frameworks contains at least one bogus index entry. Maybe there's some duplicate identifiers or something?

I'm not sure if this is the issue, but the .qhp files generated by ecm contains a ton of <keyword> entries that point to non-existent files (e. g. <keyword name="objectName" id="QObject::objectName" ref="qobject.html#objectName-prop" />, qobject.html doesn't exist in that .qch file).

But it sounds plausible that qt help just resolves invalid file references to 0, and tabs.css seems to be the first file in the .qch files.

This bug affects KDevelop's Documentation view. The documentation shown for many (all?) KIO classes and functions is this useless tabs.css file.

(In reply to Igor Kushnir from comment #3)
> This bug affects KDevelop's Documentation view. The documentation shown for
> many (all?) KIO classes and functions is this useless tabs.css file.
This is actually an issue for many frameworks: KIO, KTextEditor, Solid, DBusAddons. In the IndexTable of their *.qch files in /usr/share/doc/qt/ FileId equals 1 for each identifier. The issue does *not* affect for example KGantt: correct documentation is displayed in KDevelop and there are many different FileId_s in KGantt.qch's IndexTable.

My system information: Manjaro Xfce with latest updates.

With frameworks built not rebuilt since 2 weeks:

in assistant:
select distinct FolderTable.Name from IndexTable, FileNameTable, FolderTable where Identifier like 'Q%' and IndexTable.FileId = FileNameTable.FileId;

lists the KDE Frameworks:
[...]
kio
attica
baloo
bluezqt
kactivities
kactivitiesstats
karchive
kauth
kbookmarks
kcmutils
kcalendarcore
kcalendarutils
kchart
kcodecs
kcompletion
[...]

so they're indexed but when looking specifically for tabs.css:

select distinct FolderTable.Name from IndexTable, FileNameTable, FolderTable where Identifier like 'Q%' and IndexTable.FileId = FileNameTable.FileId and FileNameTable.Name = 'tabs.css' and FileNameTable.FolderId = FolderTable.Id;

doesn't return anything.

The docs were generated using doxygen 1.9.3 if that matters.

(In reply to Christophe Giboudeaux from comment #5)
> in assistant:
> select distinct FolderTable.Name from IndexTable, FileNameTable, FolderTable
> where Identifier like 'Q%' and IndexTable.FileId = FileNameTable.FileId;
This query returns the list of many (all?) KDE Frameworks on my system as well.

> select distinct FolderTable.Name from IndexTable, FileNameTable, FolderTable
> where Identifier like 'Q%' and IndexTable.FileId = FileNameTable.FileId and
> FileNameTable.Name = 'tabs.css' and FileNameTable.FolderId = FolderTable.Id;
On my system this query returns:
kchart
kdsoapwsdiscoveryclient
kgantt
These 3 may be the only KDE libraries on my system with documentations unaffected by this bug.
Looking into /usr/share/doc/qt, I see that the documentations for these 3 libraries were generated in 2021, whereas all other framework documentations were generated in May or June, 2022.

Sorry, I am not very good at SQL. I guess your meaning is that the second query should return the list of broken documentations, but somehow it returns the list of good ones on my system. My previous comments are based on examining tables in qch files manually/visually on the Browse Data tab of DB Browser for SQLite GUI (sqlitebrowser).

Just checked Contents and Index navigation in Qt Assistant. Works for Qt frameworks, the standard library (cppreference-doc-en-cpp) and for the 3 libraries with not broken documentation (kchart, kdsoapwsdiscoveryclient, kgantt). Doesn't work for all other KDE frameworks: selecting an item on the Index tab shows the tabs.css file. On the Contents tab, selecting the topmost page of each framework, e.g. KDeclarative 5.95.0 displays the main page correctly, following links from this page works perfectly. But when I select a non-top entry in the Contents, e.g. Introduction or Classes, a page like this appears:

Frame load interrupted by policy change
------------------------------------------------------------------------------------------------------------
Failed to load URL qthelp://org.kde.kdeclarative.5_95_0/kdeclarative/annotated.

                                                                                                        WebKit Error 102

For my case, the reason is different. The qch layout is completely broken with doxygen 1.9.3 but fine with 1.9.4

(In reply to Christophe Giboudeaux from comment #8)
> For my case, the reason is different. The qch layout is completely broken
> with doxygen 1.9.3 but fine with 1.9.4
The 3 working documentations I wrote about are generated by doxygen 1.9.1. The rest - by doxygen 1.9.3. So this could be the same issue. https://github.com/doxygen/doxygen/issues/9294 perhaps? Good to know that the issue is fixed in the latest doxygen version.

*** Bug 457063 has been marked as a duplicate of this bug. ***

Cannot reproduce after Arch Linux doxygen package was updated to 1.9.5 and the *.qch files were generated with the newer doxygen version. Cannot reproduce the original Qt documentation issue either.