[
                {
                    "name": "id",
                    "type": "varchar",
                    "default": "",
                    "comment": "文档ID"
                },
                {
                    "name": "file_name",
                    "type": "varchar",
                    "default": "",
                    "comment": "文件名"
                },
                {
                    "name": "file_page_count",
                    "type": "int",
                    "default": 0,
                    "comment": "文件总页数"
                },
                {
                    "name": "page_number",
                    "type": "int",
                    "default": 0,
                    "comment": "页码"
                },
                {
                    "name": "content",
                    "type": "varchar",
                    "default": "",
                    "comment": "文本内容"
                },
                {
                    "name": "image_id",
                    "type": "varchar",
                    "default": "",
                    "comment": "图片id"
                },
                {
                    "name": "dense_vector_1024",
                    "type": "vector,1024,float",
                    "default": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
                    "comment": "1024维向量"
                },
                {
                    "name": "dataset_id",
                    "type": "varchar",
                    "default": "",
                    "comment": "数据集ID"
                },
                {
                    "name": "document_id",
                    "type": "varchar",
                    "default": "",
                    "comment": "RAGFlow文档ID"
                }
            ]