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michelesalvador / FamilyGem

Android app for genealogical trees
https://www.familygem.app
GNU General Public License v3.0
128 stars 34 forks source link

Tree merge is broken #128

Open aaannndddyyy opened 9 months ago

aaannndddyyy commented 9 months ago

I have a tree A of some two hundred persons and another tree B of around 20. Both trees have one person in common.

I tap on the three dots next to B and select merge tree. I then select tree A and click next. I'm asked about the one person and I say yes. Then I'm asked again about the same person in other pairings - which is ok, as it gives s tiny consistency check - where I always press no. All other questions are no, because no other person is shared between both trees.

Merging both trees into a new one and opening the new one I see that my niece jas become my grandmother, in addition to being my niece and the tree goes up seemingly to infinity.

Tree B, the smaller one, contains only a second partner

aaannndddyyy commented 9 months ago

I have repeatedly done that procedure and always get that result, so it was not a glitch . Interestingly, if I merge starting from tree A instead of tree B, it seems to work fine. The result looks as expected and I haven't found any errors so far.

michelesalvador commented 8 months ago

It's hard for me to say what's happening here without seeing the actual trees. Could you please post the two trees or some equivalent to reproduce the issue?

aaannndddyyy commented 8 months ago

I'll see if I can post them. Meanwhile, another issue with merged trees has popped up: I merge two tress with approx. 50% people in common. One tree contains photos , the other not. The result is a new tree. It looks good. All persons are shown correctly , all photos match. I zip-export (backup) the tree and reimport it, it still looks good . I send that zip to a friend, he opens it, and the tree itself is correct, but some photos are associated with the wrong persons: tree root person A has two brothers: one brother shows A's photo, the other brother shows the photo of A's wife . Probably to to with reindexing (IDs) during the merge. Something is different on the system where the merge Wass performed, and a remote system .