初始化

API/migrations/000053_product_image_resolution_lowercase.down.sql

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+-- 回滚图片生成模板分辨率的小写约束变更。
+ALTER TABLE product_image_templates
+    DROP CONSTRAINT IF EXISTS chk_product_image_template_resolution;
+
+UPDATE product_image_templates
+SET resolution = upper(resolution);
+
+ALTER TABLE product_image_templates
+    ALTER COLUMN resolution SET DEFAULT '1K',
+    ADD CONSTRAINT chk_product_image_template_resolution
+        CHECK (resolution IN ('1K', '2K', '4K'));