fix

backend-old/migrations/002_create_categories.sql

@@ -0,0 +1,33 @@
+-- +migrate Up
+
+CREATE TABLE categories (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(100) NOT NULL,
+    description TEXT,
+    parent_id INTEGER REFERENCES categories(id),
+    color VARCHAR(7) DEFAULT '#3b82f6',
+    cover_image VARCHAR(500),
+    sort INTEGER DEFAULT 0,
+    is_active BOOLEAN DEFAULT true,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP
+);
+
+-- 创建索引
+CREATE INDEX idx_categories_parent_id ON categories(parent_id);
+CREATE INDEX idx_categories_is_active ON categories(is_active);
+CREATE INDEX idx_categories_sort ON categories(sort);
+CREATE INDEX idx_categories_deleted_at ON categories(deleted_at);
+
+-- 插入默认分类
+INSERT INTO categories (name, description, color, sort) VALUES 
+('风景摄影', '自然风景摄影作品', '#10b981', 1),
+('人像摄影', '人物肖像摄影作品', '#f59e0b', 2),
+('街头摄影', '街头纪实摄影作品', '#ef4444', 3),
+('建筑摄影', '建筑和城市摄影作品', '#3b82f6', 4),
+('抽象摄影', '抽象艺术摄影作品', '#8b5cf6', 5);
+
+-- +migrate Down
+
+DROP TABLE IF EXISTS categories;