我有一个表,区域,定义插入点的数组于Postgres从蟒
place_id | integer |
pts | point[] |
region_name | text |
region_id | integer | not null default nextval('region_region_id_seq'::regclass)
和想从蟒插入一行。 我pgon
'{{-171.01155,-11.05869},{-171.01116,-11.06022},{-171.01138,-11.07814},{-171.01708,-11.08953},{-171.01963,-11.09463},{-171.03217,-11.10509},{-171.04886,-11.10929},{-171.07441,-11.11013},{-171.09834,-11.10787},{-171.10588,-11.10552},{-171.12063,-11.10091},{-171.13384,-11.09055},{-171.13385,-11.09055},{-171.13386,-11.09054},{-171.13387,-11.09053},{-171.13386,-11.09053},{-171.13384,-11.09053},{-171.13383,-11.09053},{-171.13529,-11.08719},{-171.13966,-11.07717},{-171.14112,-11.07383},{-171.14113,-11.07382},{-171.14114,-11.07382},{-171.14115,-11.07382},{-171.14191,-11.06076},{-171.14118,-11.04661},{-171.14116,-11.04622},{-171.13745,-11.03009},{-171.12577,-11.0156},{-171.1114,-11.00379},{-171.09488,-10.9978},{-171.08485,-10.9975},{-171.07463,-10.9972},{-171.05771,-10.99903},{-171.05163,-11.00014},{-171.03634,-11.00291},{-171.03358,-11.00409},{-171.0279,-11.00652},{-171.01928,-11.01225},{-171.01876,-11.01339},{-171.01407,-11.0237},{-171.,-11.04712}}'
place_id = 6阵列,名称= “美国萨摩亚” 我的Python命令行是:
cur.execute("insert into region (place_id,pts,region_name) values (%,%,%)",(place_id, pgon, name))
,但我得到 ValueError异常:“不支持的格式字符”, '(0x2c)at index 55“
我已经做过插入,但没有在目标中的点[]。有人能告诉我我该怎么做吗?谢谢。
按承诺工作。谢谢。一个问题,如果你然后尝试cursor.fetchall()有一个异常:ValueError:'无法将字符串转换为浮点数:(-171.01155,-11.05869)' – LenB