18ac9f5afa
A group TRIGGER/ROUTE template inherits to every descendant app; until now
a descendant could shadow one but not decline it. This marker records that
an app opts OUT of a specific inherited template — coarse by REFERENCE (a
handler script name for triggers, a path for routes), not row id (template
ids churn on re-apply, references are stable so re-apply is a NoOp).
App-only (a group would just not declare the template) → app_id NOT NULL,
no polymorphic owner; pure app config → ON DELETE CASCADE. A target_kind
discriminator ('trigger'|'route') keeps it one table, one reconcile loop.
Schema blessed at 58 migrations.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
37 lines
1.9 KiB
SQL
37 lines
1.9 KiB
SQL
-- §11 tail (v1.2 Hierarchies): per-app opt-out of inherited group templates.
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--
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-- A group TRIGGER or ROUTE template inherits to every descendant app. Until now
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-- a descendant could SHADOW a template (declare its own identical binding) but
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-- not DECLINE one. This marker records that a specific app opts OUT of a
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-- specific inherited template — the template then stops resolving for that app
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-- (and only that app; a sibling subtree is unaffected).
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--
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-- Coarse by REFERENCE (not row id — template ids churn on re-apply): a
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-- suppression names a handler SCRIPT NAME (target_kind='trigger') or a PATH
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-- (target_kind='route'). A reference may decline more than one inherited
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-- template (a group that bound several to the same script/path). The dispatch
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-- filters gate to group-owned rows, so an app can only decline what it
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-- INHERITS — never its own trigger/route, never a sibling's.
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--
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-- App-only: only an app suppresses (a group would just not declare the
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-- template). So `app_id NOT NULL` — no polymorphic owner. It is pure app config
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-- (like `extension_points`), so ON DELETE CASCADE (not the code-owner RESTRICT).
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CREATE TABLE template_suppressions (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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app_id UUID NOT NULL REFERENCES apps(id) ON DELETE CASCADE,
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target_kind TEXT NOT NULL CHECK (target_kind IN ('trigger', 'route')),
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-- A handler script name (trigger) or a path (route). Matched
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-- case-insensitively for triggers (as script-name resolution is
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-- elsewhere) and exactly for routes; stored as authored.
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reference TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- One marker per (app, kind, reference) — re-apply is a NoOp.
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CREATE UNIQUE INDEX template_suppressions_uidx
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ON template_suppressions (app_id, target_kind, reference);
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-- The trigger anti-join / route rebuild both look up by app_id.
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CREATE INDEX template_suppressions_app_idx ON template_suppressions (app_id);
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