{
	"id": {"type": "varchar", "default": ""},
	"doc_id": {"type": "varchar", "default": ""},
	"kb_id": {"type": "varchar", "default": ""},
	"create_time": {"type": "varchar", "default": ""},
	"create_timestamp_flt": {"type": "float", "default": 0.0},
	"img_id": {"type": "varchar", "default": ""},
	"docnm_kwd": {"type": "varchar", "default": ""},
	"title_tks": {"type": "varchar", "default": ""},
	"title_sm_tks": {"type": "varchar", "default": ""},
	"name_kwd": {"type": "varchar", "default": ""},
	"important_kwd": {"type": "varchar", "default": ""},
	"important_tks": {"type": "varchar", "default": ""},
	"content_with_weight": {"type": "varchar", "default": ""},
	"content_ltks": {"type": "varchar", "default": ""},
	"content_sm_ltks": {"type": "varchar", "default": ""},
	"page_num_list": {"type": "varchar", "default": ""},
	"top_list": {"type": "varchar", "default": ""},
	"position_list": {"type": "varchar", "default": ""},
	"weight_int": {"type": "integer", "default": 0},
	"weight_flt": {"type": "float", "default": 0.0},
	"rank_int": {"type": "integer", "default": 0},
	"available_int": {"type": "integer", "default": 1},
	"knowledge_graph_kwd": {"type": "varchar", "default": ""},
	"entities_kwd": {"type": "varchar", "default": ""},
	"pagerank_fea": {"type": "integer", "default":  0}
}