49c260b888
Adds a nullable text column on paliad.project_events so a subset of audit rows can opt into surfacing as SmartTimeline content. Existing rows stay NULL (audit-only); the partial index keeps the lookup tiny because the SmartTimeline read filter is the indexed predicate. Value space (enforced in code in internal/services/projection_service.go): 'milestone' — structural event (counterclaim_filed, ...) 'custom_milestone' — free-text "Eigener Meilenstein" NULL — audit only (default) Design ref: docs/design-smart-timeline-2026-05-08.md §2.2.
33 lines
1.6 KiB
SQL
33 lines
1.6 KiB
SQL
-- t-paliad-171 — SmartTimeline Slice 1.
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-- Add the `timeline_kind` opt-in column to paliad.project_events so a
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-- subset of audit rows can surface as timeline content. Existing rows
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-- stay NULL (audit-only) and are filtered out of the SmartTimeline
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-- read path; new write paths (custom milestone, counterclaim_created
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-- in later slices) set the column on insert.
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--
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-- Value space (enforced in code, not via CHECK — see
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-- internal/services/projection_service.go):
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-- 'milestone' — structural event worth pinning to the timeline
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-- (counterclaim_filed, third_party_intervened,
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-- party_amendment, our_side_changed, scope_change)
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-- 'custom_milestone' — free-text user-added event ("Eigener Meilenstein")
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-- NULL — audit only (default, all existing rows)
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--
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-- Design ref: docs/design-smart-timeline-2026-05-08.md §2.2.
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ALTER TABLE paliad.project_events
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ADD COLUMN IF NOT EXISTS timeline_kind text NULL;
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COMMENT ON COLUMN paliad.project_events.timeline_kind IS
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'When non-NULL, this audit event also surfaces as a SmartTimeline '
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'milestone. NULL keeps the row audit-only. See '
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'internal/services/projection_service.go for the value space.';
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-- Partial index — the SmartTimeline read path filters on
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-- (project_id, timeline_kind IS NOT NULL); making the index partial
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-- keeps it tiny (most rows stay audit-only) while still serving the
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-- common lookup.
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CREATE INDEX IF NOT EXISTS project_events_timeline_kind_idx
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ON paliad.project_events (project_id, timeline_kind)
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WHERE timeline_kind IS NOT NULL;
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