database: split RetryPostgres into RetryIdempotent and RetryPostgresNonIdempotent#2

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elovelan wants to merge 13 commits into

stevemsmith:fix/alloydb-failover-recoveryfrom

elovelan:cursor/postgres-retry-tx-0f34

Commits on Jun 29, 2026

Commits on Jun 30, 2026

database: drop driver.ErrBadConn leg from the commit classifier

cursoragent
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elovelan
committed
database: tidy retry-tx comments for concision

cursoragent
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elovelan
committed
database: fix HealthCheckPeriod comment — it doesn't ping

cursoragent
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elovelan
committed
database: exclude 57P02 (crash_shutdown) from the commit classifier

cursoragent
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elovelan
committed
database: maximally-conservative commit classifier + adopt pgerrcode

cursoragent
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elovelan
committed
database: rename RetryUnsafe->RetryIdempotent, RetryPostgresTx->RetryPostgresNonIdempotent

cursoragent
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elovelan
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database: verify ambiguous commits via pg_current_xact_id_if_assigned + pg_xact_status

cursoragent
and
elovelan
committed
database: always verify commit errors — drop the commit classifier

cursoragent
and
elovelan
committed