fix: preserve adapter transactions and simplify MySQL bulk loading - #741
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #741 +/- ##
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+ Coverage 77.17% 77.22% +0.05%
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Files 486 486
Lines 69772 69851 +79
Branches 9677 9685 +8
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+ Hits 53847 53943 +96
+ Misses 12473 12464 -9
+ Partials 3452 3444 -8
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Psycopg sessions now pass body exceptions and cancellation to pooled connection cleanup, preserving rollback without forwarding unrelated outer exceptions. pymssql dictionary rows retain their mapping format.
MySQL adapters accept either
local_infile=Trueorallow_local_infile=Trueand automatically use native bulk loading for eligible data. A separate feature opt-in is no longer required; an explicit false feature override retainsexecutemany. Asyncmy supports buffered and unbuffered native loading with payload cleanup and failed-connection disposal, and requires asyncmy 0.2.13 or newer.Validated with focused adapter and native MySQL tests, CI-equivalent typing, lint, and documentation builds. Bulk-ingestion examples and release notes document the simplified settings; Cockroach rollback regressions and the Spanner UUID overview complete the contract coverage.