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feat(scheduler-dispatch-commit): add durable WAL_JOB_DISPATCH fact type (task 1.2)

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New wal_entry_type WAL_JOB_DISPATCH=12, reusing wal_jobstate_t verbatim
(_pad=0, absolute-value semantics), wired into both apply_wal_entry()'s
and apply_committed_entry()'s existing job-state fall-through groups per
Requirement 2.4. Restart-replay test writes only WAL_JOB_SUBMIT+
WAL_JOB_DISPATCH to a real on-disk WAL and confirms job.state==RUN after
a fresh persist_recover(), independent of WAL_JOB_START.

Review found apply_wal_entry() has zero production call sites today
(persist_recover() and standby catch-up both route through
apply_committed_entry() post the 2026-07-10 ha_apply_single_entry
refactor) -- design.md's stale characterization corrected; the dual
case-label registration itself is unaffected and correct.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Rongsong Shen 2026-08-23 07:12:50 +00:00
parent 5724d1e90a
commit 8eea74909c
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GPG key ID: 5BCDAAE0123E9FE2
7 changed files with 367 additions and 5 deletions
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src/controller/meson.build
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@ -169,6 +169,7 @@ controller_unit_test_src = [
'testsuite/test_apply_seam.c',
'testsuite/test_apply_committed_entry.c',
'testsuite/test_replay_apply_seam.c',
'testsuite/test_wal_job_dispatch_fact.c',
'testsuite/test_apply_reapply_idempotency.c',
'testsuite/test_apply_correctness_verification.c',
'testsuite/test_apply_pump.c',