add

backend/country/sql/04_create_code_table.sql

@@ -0,0 +1,32 @@
+-- 切换到目标数据库
+\c postgres;
+
+CREATE OR REPLACE FUNCTION update_password_modified_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql VOLATILE;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'code') THEN
+        CREATE TABLE code (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            user_id UUID NOT NULL,
+            code VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_code_updated_at
+        BEFORE UPDATE ON "code"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_password_modified_column();
+        
+        RAISE NOTICE 'Created code table and trigger';
+    ELSE
+        RAISE NOTICE 'code table already exists';
+    END IF;
+END $$;