[DBMON-3642] Proper handle events_statements_* timer_end overflow #16936
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What does this PR do?
This PR handles the case when events_statements_*
timer_end
overflows.timer_end
is in picosecond has column typeBIGINT
, when it overflows and wrapped around, the calculated of statement timestamp based on serverUPTIME
could become stale.This PR handles this case by calculate "how many time timer_end overflowed" and makes up the difference.
Motivation
MySQL explain plan events are dropped when timestamp is stale. This change ensures we don't get a stake timestamp.
Additional Notes
Review checklist (to be filled by reviewers)
qa/skip-qa
label if the PR doesn't need to be tested during QA.