{
    "summary": [
        {
            "name": "showcase_likes",
            "title": "作品点赞表",
            "primary": ["id"]
        }
    ],
    "fields": [
        {"name": "id", "title": "主键ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "post_id", "title": "作品ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "user_id", "title": "点赞用户ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "created_at", "title": "点赞时间", "type": "timestamp", "nullable": "no"}
    ],
    "indexes": [
        {"name": "idx_likes_post", "idxtype": "index", "idxfields": ["post_id"]},
        {"name": "idx_likes_user", "idxtype": "index", "idxfields": ["user_id"]},
        {"name": "idx_likes_unique", "idxtype": "unique", "idxfields": ["post_id", "user_id"]}
    ],
    "codes": []
}