P: import "Don't import suspected duplicates" fails with originals prior to 2001/01/01-00:00:00

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LEGEND ,
Dec 29, 2011 Dec 29, 2011

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In Lightroom 3.6, the import option "Don't import suspected duplicates" does not work with old files (year 2000). Here you find test-data:

http://www.thavis.com/downloads/2012-...
http://www.thavis.com/downloads/2012-...
http://www.thavis.com/downloads/2012-...

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Peter

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macOS , Windows

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Adobe Employee , Mar 23, 2017 Mar 23, 2017
This is fixed in Lightroom 5 and later.

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People's Champ ,
Dec 29, 2011 Dec 29, 2011

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I did some testing on this issue and found the following to be true:


  • any image with a date/time original prior to 2001/01/01-00:00:00 will show this symptom (i.e. duplicates not being recognized)

  • The colum "importHash" in table "AgLibraryFile" shows a negative time stamp for date/time original < 2001/01/01-00:00:00
    (i.e. -22136634:04190019.JPG:1298237)

  • Timestamp in importHash is "-1" for 2000/12/31-23:59:59, and "0" for 2001/01/01-00:00:00



It looks like the negative timestamp values in importHash seem to confuse the duplicate detection process.

Beat

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Adobe Employee ,
Mar 23, 2017 Mar 23, 2017

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LATEST
This is fixed in Lightroom 5 and later.

Senior Product Manager - Customer Advocacy - Digital Imaging

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