[KPhotoAlbum] Member group containing nonexistent member

Johannes Zarl-Zierl johannes at zarl-zierl.at
Mon Mar 11 21:04:15 GMT 2019

Am Sonntag, 3. März 2019, 04:22:32 CET schrieb Robert Krawitz:
> I found that my index.xml file had this:
>         <member category="Keywords" group-name="Basketball"
> members="202,203,204,205,206,207,208,216,219,220,221,222,223,224,225,226,22
> 9,230,231,233,234,235,236,240,241,242,243,244,245,246,247,248,249,250,251,25
> 3,254,255,257,259,263,264,265,266,267,268,269,270,271,272,273,276,279,280,28
> 1,282,283,284,285,286,287,288,301,437,438,439,440,441,442,443,446,449,452,45
> 3,454,457,458,483,488,489,492,493,495,496,497,500,501,502,505,512,513,514,51
> 6,521,522"/>
> but I (currently, at any rate) don't have a keyword with ID 522 in my
> index.xml file.  I'm not sure exactly how this came about; I know I
> was trying to rearrange things and things went a bit strange when I
> tried to move certain categories under others.

I'm quite puzzled by this. In my understanding, if when reading index.xml 
nameForId() does not find a name, nothing is inserted. So the ID 522 in your 
database should vanish as soon as you save the database.

> I also have some empty member groups, e. g.:
>         <member category="Keywords" group-name="MIT-Clark, Feb. 27, 2009"
> members=""/>
> that presumably should get pruned at least when the file is saved.

FWIW this is a design decision:

> // XMLDB::FileReader::loadMemberGroups():
> if(members.size() == 0) {
>   // Groups are stored even if they are empty, so we also have to read them.
>   // With no members, the above for loop will not be executed.
>   m_db->m_members.addGroup(category, group);
> }

I have no clue why we do it this way, though...


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