docs: define backend plan split and SDS state contract - #737

Merged

zzylol merged 45 commits into

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docs/physical-plan-design

Sep 28, 2026

Commits on Sep 28, 2026

docs: clarify Planner physical plan and SDS architecture
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749252d
docs: specify executable subplan materialization boundaries
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74255ec
docs: scope migration to backend precompute and query plans
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d048262
docs: clarify window terminology migration
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ae92339
Revert "docs: clarify window terminology migration"
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d25d6c9
docs: focus physical plan and SDS designs
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011a6cd
docs: add physical compiler input example
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1ca64ed
docs: add physical compiler output example
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06b26eb
docs: include query expression in compiler example
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9a1c41b
docs: reorganize physical plan integration design
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19bc7da
docs: reorganize SDS and migration designs
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8fbe0f3
docs: define maintenance inputs before plan split example
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eb3c3c4
docs: use plan version consistently in backend design
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c9b6ea7
docs: remove standalone catalog materialization abstraction
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4de2df4
docs: add concise planner backend glossary
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9892bed
docs: clarify selected deployment guarantee terminology
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1232ce9
docs: explain missing planner maintenance guarantee
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158c22a
docs: motivate selected producer maintenance decision
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6322175
docs: label catalog reads and SDS metadata ownership
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8bdb7a7
docs: align SDS ownership and lifecycle terminology
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813e3e3
docs: use current planner and plan-version names consistently
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f3bd9d8
docs: align integration diagram with SDS ownership
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11e21d2
docs: clarify instance identity and shared producer wording
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b4dec9b
docs: distinguish summary definitions from runtime stores
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f300704
docs: model one runtime summary store for DAG bindings
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docs: scope SDS lifecycle to read eligibility
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docs: tie stored summary examples directly to DAG outputs
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docs: name summary tables, stored records, and output references by role
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5f383d1
docs: illustrate summary definitions, stored records, and output references
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a2ab168
docs: limit v1 summary storage to definitions and stored summaries
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d5f5203
docs: separate Planner physical computation from backend deployment
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ebf4569
docs: bind Planner physical DAGs without backend re-lowering
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eb60220
docs: describe summary inputs with groups and pane duration
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1b36bb7
docs: define summary semantic completeness beyond input scope
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b12512f
docs: define SDS identity through canonical Planner computation
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51185de
docs: decouple SDS semantic identity from executable Planner IR
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69b28c2
docs: define Planner-owned SDS discovery for future ad hoc queries
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5ffc426
docs: streamline SDS design around definitions and stored results
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5bcd54c
docs: track bound-query SDS migration across implementation PRs
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docs: identify active shared-library PR in bound-query migration
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0d9ab8e
docs: separate bound SDS range lookup from state validation
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ef6c127
docs: state SDS migration responsibilities without stale implementation claims
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eb94d73
docs: preserve design index after rebasing onto main
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5f1eebf
docs: clarify SDS source identity and version-scoped recovery
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8857f25
docs: illustrate SDS identity and recovery decisions
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