MutTxId::update
: consider deleted commited row when replacing tx row
#2302
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Description of Changes
Fixes #2296.
In
MutTxId::update
: If there was a deleted committed row (row
), this fact is recorded. Later, when updating arow_prime
, resident in the tx state and sharing akey
withrow
, ifrow_prime
it's to be replaced withrow
's contents, we revert the insertion of the and instead un-deleterow
.API and ABI breaking changes
None
Expected complexity level and risk
2?
Testing
test_update_brings_back_deleted_commit_row_repro_2296
is added.update
host call produces TXes containing no-op insert/delete pairs in sequences of delete->insert->update #2296 (comment) was tested manually against the new impl and the database was successfully restarted.