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just did recently wiped all reports older than 3 months, keeping weekly, monthly and yearly.
When I go Actions - Downloads and select e.g. data in last September and
select some day - correctly give message that report doesn't exist - pw_downloads_day.png
select some week - correctly shows data - pw_downloads_week.png
Now going to Visitors - Overview, selecting exactly same week and choosing Download/Unique downloads it shows flat - pw_visitor_log.png
Since data are apparently in Piwik as seen in Actions tab, I guess this is defect. Visitor logs from that period are wiped, so it must be taken from archive.
Thanks for the report. Could you also attach the settings for the "Delete old report" in Settings>Privacy?
See attached settings.png - purge is set to weekly (too small screen to capture it whole) ...
In c9c5e79: refs #5054 this fixes all rows for all periods in old numeric tables were deleted instead of keeping the selected ones
In 3bb6a01: refs #5054 if no period should be kept do not append where clause to prevent mysql error
In c103d03: refs #5054 some more bug fixes and tests
In da9cd11: refs #5054 added integration flag
In 49cb0c5: refs #5054 some code improvements
Fixed. The numeric archives for all periods were deleted when "delete old reports" was enabled instead of keeping the selected ones. It worked fine for blob archives. This explains why data was there in the Downloads report but not in the evolution. Although this bug is fixed the data won't appear in the evolution afterwards as it only fixes future "delete old reports".
In f5c2d9b: refs #5054 fix some tests
Thanks for the fix ... I have of course backup of db, but since some time passed, I cannot simply restore it. If I just replace piwik_archive_numeric_201X_XX from backup will it work? How about January archive, it holds yearly reports if I got it right, so can I replace Jan as well and it would re-create reports on next auto-archive?
If you just restore those piwik_archive_numeric_201X_XX tables it should work fine as the blobs should be still there. No need to re-archive then. It should just work. @Matt can you confirm?
I just did that and it works pretty fine, all reports are back and kept after purging as well.
refs #5054 this fixes all rows for all periods in old numeric tables …
…were deleted instead of keeping the selected ones
refs #5054 if no period should be kept do not append where clause to …
…prevent mysql error
refs #5054 some more bug fixes and tests
refs #5054 added integration flag
refs #5054 some code improvements
refs #5054 fix some tests