MobileRead Forums - View Single Post - Strangeness when referencing VLs in other VLs

ownedbycats · 01-02-2022, 06:16 PM

I have a virtual_libraries() column. However, I'm having a bit of a strange interaction with it and I'm not sure if it's a glitch or some sort of strange user error.

I have two VLs here:

Fiction: tags:"=.Fiction"

Cleanup: search:"=Cleanup"

I wanted to hide all the "Cleanup" books in the Fiction VL. So I did this:

tags:"=.Fiction" AND NOT #vls:"=Cleanup"

This search worked as expected when I tested it in All Books. But when I put it into the Fiction VL itself, it results in every VL disappearing from books that have a tag starting with Fiction.

Here's one book before and after modifying the VL:

Click image for larger version

Name: 2022-01-02 19_04_57-Tailchaser's Song.jpg
Views: 73
Size: 163.8 KB
ID: 191275

Click image for larger version

Name: 2022-01-02 19_06_20-Tailchaser's Song.jpg
Views: 74
Size: 164.0 KB
ID: 191276

The weird part is that all the VLs are still returning their correct books, and if I use template tester to run virtual_libraries() directly on those books, it still shows the correct ones:

Click image for larger version

Name: 2022-01-02 19_07_52-Template tester.png
Views: 70
Size: 23.9 KB
ID: 191277

I did some further testing too. Two VLs here:

Physical Books: formats:paperbook

Loans: formats:overdrive

No overlapping books between the two of them. But when I changed VL to formats:paperbook AND NOT #vls:"=Loans" I got the same results: VLs disappearing from books with a paperbook format, virtual_libraries() giving expected results.

Any clue what might be happening here?

01-02-2022, 06:16 PM	#1
ownedbycats Custom User Title Posts: 11,069 Karma: 75568269 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	Strangeness when referencing VLs in other VLs I have a virtual_libraries() column. However, I'm having a bit of a strange interaction with it and I'm not sure if it's a glitch or some sort of strange user error. I have two VLs here: Fiction: tags:"=.Fiction" Cleanup: search:"=Cleanup" I wanted to hide all the "Cleanup" books in the Fiction VL. So I did this: tags:"=.Fiction" AND NOT #vls:"=Cleanup" This search worked as expected when I tested it in All Books. But when I put it into the Fiction VL itself, it results in every VL disappearing from books that have a tag starting with Fiction. Here's one book before and after modifying the VL: The weird part is that all the VLs are still returning their correct books, and if I use template tester to run virtual_libraries() directly on those books, it still shows the correct ones: I did some further testing too. Two VLs here: Physical Books: formats:paperbook Loans: formats:overdrive No overlapping books between the two of them. But when I changed VL to formats:paperbook AND NOT #vls:"=Loans" I got the same results: VLs disappearing from books with a paperbook format, virtual_libraries() giving expected results. Any clue what might be happening here? Last edited by ownedbycats; 01-02-2022 at 07:30 PM.