feat(db): add vocabulary, term, and authority tables

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-02 08:43:23 +02:00
parent d5ed2a261f
commit 93d54d7783
2 changed files with 57 additions and 0 deletions
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+-- Controlled vocabularies (term sources) and their terms.
+CREATE TABLE vocabulary (
+    id  UUID PRIMARY KEY,
+    key TEXT NOT NULL UNIQUE          -- e.g. 'material', 'object_name'
+);
+
+CREATE TABLE term (
+    id            UUID PRIMARY KEY,
+    vocabulary_id UUID NOT NULL REFERENCES vocabulary (id) ON DELETE CASCADE,
+    external_uri  TEXT                 -- e.g. Getty AAT / KulturNav / Wikidata URI
+);
+CREATE INDEX term_vocabulary_idx ON term (vocabulary_id);
+
+CREATE TABLE term_label (
+    term_id UUID NOT NULL REFERENCES term (id) ON DELETE CASCADE,
+    lang    TEXT NOT NULL,            -- BCP-47, e.g. 'sv', 'en'
+    label   TEXT NOT NULL,
+    PRIMARY KEY (term_id, lang)
+);
+
+-- Authority records: person / organisation / place. Store once, link many.
+CREATE TABLE authority (
+    id           UUID PRIMARY KEY,
+    kind         TEXT NOT NULL CHECK (kind IN ('person', 'organisation', 'place')),
+    external_uri TEXT
+);
+CREATE INDEX authority_kind_idx ON authority (kind);
+
+CREATE TABLE authority_label (
+    authority_id UUID NOT NULL REFERENCES authority (id) ON DELETE CASCADE,
+    lang         TEXT NOT NULL,
+    label        TEXT NOT NULL,
+    PRIMARY KEY (authority_id, lang)
+);