Gemeinderegister für Marktdurchführungen ergänzen

db/migrations/0029_market_municipality_register.sql

@@ -0,0 +1,40 @@
+BEGIN;
+
+CREATE TABLE market_municipality (
+  id BIGSERIAL PRIMARY KEY,
+  municipality_reference_id BIGINT UNIQUE REFERENCES market_municipality_reference(id) ON DELETE RESTRICT,
+  name TEXT NOT NULL,
+  canton_code TEXT,
+  bfs_municipality_number INTEGER,
+  data_version DATE,
+  source TEXT NOT NULL DEFAULT 'local',
+  is_active BOOLEAN NOT NULL DEFAULT TRUE,
+  created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
+  CONSTRAINT chk_market_municipality_source CHECK (source IN ('reference', 'local'))
+);
+
+CREATE UNIQUE INDEX uq_market_municipality_name
+  ON market_municipality (LOWER(TRIM(name)));
+CREATE INDEX idx_market_municipality_name
+  ON market_municipality (name);
+
+INSERT INTO market_municipality (
+  municipality_reference_id, name, canton_code, bfs_municipality_number, data_version, source, is_active
+)
+SELECT id, name, canton_code, bfs_municipality_number, data_version, 'reference', is_active
+FROM market_municipality_reference;
+
+ALTER TABLE market_occurrence
+  DROP CONSTRAINT market_occurrence_municipality_reference_id_fkey;
+
+UPDATE market_occurrence o
+SET municipality_reference_id = m.id
+FROM market_municipality m
+WHERE m.municipality_reference_id = o.municipality_reference_id;
+
+ALTER TABLE market_occurrence
+  ADD CONSTRAINT fk_market_occurrence_municipality
+    FOREIGN KEY (municipality_reference_id) REFERENCES market_municipality(id) ON DELETE RESTRICT;
+
+COMMIT;