Backport: Fixing multiple issues related to onlineddl/lifecycle #8517
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…ion analysis did not update completed_timestamp. As result lifecycle would not run - retroactively updating completed_timestamp for existing NULL entries - liveness_timestamp now always set with started_timestamp, so that it is never NULL even if migration didn't report liveness. This is essential for detecting and marking stale migrations - when garbage collecting artifacts, RENAME statement would create collissions between artifacts of same migration. This is now solved by assigning distinct timestamps to artifacts of same migration - on the safe side, though there is no evidence this ever happened, whenever an artifact is added, we set cleanup_timestamp to be NULL Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
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deepthi
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Jul 23, 2021
deepthi
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Backport suggested by @deepthi in #8500 (comment)
Description
Fixes #8498
Fixes #8499 (possibly)
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