06-26-2020, 05:03 PM
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#1 |
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Member
 Posts: 10
Karma: 10
Join Date: Apr 2008
Device: cybook
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a question about backwards compatibility
I want to upgrade calibre
I have calibre 3.46 on ubuntu calibre 3.48 in osx 10.13 A big library is on a removable hd I want upgrade ubuntu-calibre to 4xx Can I have problems opening the library on removable HD from osx-calibre 3.48 after opening it and maybe adding books from ubuntu-calibre 4.xx? |
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06-26-2020, 11:47 PM
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#2 |
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creator of calibre
 
Posts: 45,611
Karma: 28549044
Join Date: Oct 2006
Location: Mumbai, India
Device: Various
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There were no database changes between 3 and 4 so it should be safe, but I strongly recommend against running multiple versions of calibre on the same library, because there is no actual guarantee of backwards compatibility. For instance the upcoming calibre 5 will use sqlite FTS which means you wont be able to delete books from the library with versions of calibre not compiled with fts support.
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06-27-2020, 03:27 AM
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#3 |
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Member
Posts: 10
Karma: 10
Join Date: Apr 2008
Device: cybook
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Thanks for the reply
I will change computers in 2021 so I will be ready for version five Thank's for your job |
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| Tags |
| oldversion, upgrade |
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