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Test modsnap txns running during truncate

Open morgando opened this issue 4 months ago • 1 comments

The changes in this PR expose the following bug:

  1. a snapshot transaction latches its start LSN
  2. truncate runs
  3. the snapshot transaction sees new updates in its selects since these updates have commit LSNs lower than the latched snapshot start LSN

This is a draft. Finished PR will include fix

morgando avatar Sep 27 '24 20:09 morgando