id 主键 integer
state 状态 character varying
building 多边形 polygon
多边形数据
122.13337670595,37.543569056875,
122.12651025087,37.473874537832,
122.2737957123,37.459111659414,
122.2610927704,37.549748866445,
122.26074944765,37.550778834707
简单的添加多边形
注意数据格式
