Mache Charakterentwicklungsmigration wiederholbar

backend/migrations-active/20261104000000-add-character-development-ages.cjs

@@ -5,13 +5,13 @@ module.exports = {
     await queryInterface.sequelize.transaction(async (transaction) => {
       await queryInterface.sequelize.query(`
         ALTER TABLE falukant_data.character
-          ADD COLUMN puberty_start_age SMALLINT,
-          ADD COLUMN fertile_from_age SMALLINT;
+          ADD COLUMN IF NOT EXISTS puberty_start_age SMALLINT,
+          ADD COLUMN IF NOT EXISTS fertile_from_age SMALLINT;
 
         -- Shared by Sequelize and raw daemon INSERTs, including newborns and NPCs.
         -- One real calendar day is one game year. These are game distributions,
         -- not medical predictions or reconstructed medieval population data.
-        CREATE FUNCTION falukant_data.initialize_character_development()
+        CREATE OR REPLACE FUNCTION falukant_data.initialize_character_development()
         RETURNS trigger LANGUAGE plpgsql AS $$
         BEGIN
           IF TG_OP = 'UPDATE' THEN
@@ -30,21 +30,35 @@ module.exports = {
         END;
         $$;
 
+        DROP TRIGGER IF EXISTS initialize_character_development ON falukant_data.character;
         CREATE TRIGGER initialize_character_development
           BEFORE INSERT OR UPDATE ON falukant_data.character
           FOR EACH ROW EXECUTE FUNCTION falukant_data.initialize_character_development();
 
         -- Existing pregnancies and relationships are deliberately untouched.
-        UPDATE falukant_data.character SET puberty_start_age = puberty_start_age;
+        UPDATE falukant_data.character SET puberty_start_age = puberty_start_age
+          WHERE puberty_start_age IS NULL OR fertile_from_age IS NULL;
 
         ALTER TABLE falukant_data.character
           ALTER COLUMN puberty_start_age SET NOT NULL,
-          ALTER COLUMN fertile_from_age SET NOT NULL,
-          ADD CONSTRAINT character_development_ages_valid CHECK (
-            puberty_start_age BETWEEN 8 AND 18
-            AND fertile_from_age > puberty_start_age
-            AND fertile_from_age <= 21
-          );
+          ALTER COLUMN fertile_from_age SET NOT NULL;
+
+        DO $$
+        BEGIN
+          IF NOT EXISTS (
+            SELECT 1 FROM pg_constraint
+            WHERE conrelid = 'falukant_data.character'::regclass
+              AND conname = 'character_development_ages_valid'
+          ) THEN
+            ALTER TABLE falukant_data.character
+              ADD CONSTRAINT character_development_ages_valid CHECK (
+                puberty_start_age BETWEEN 8 AND 18
+                AND fertile_from_age > puberty_start_age
+                AND fertile_from_age <= 21
+              );
+          END IF;
+        END;
+        $$;
       `, { transaction });
     });
   },