postgresql - 函数类型错误

Question

我正在使用这个查询

select ST_Segmentize((st_transform(way,3785),100)) from planet_osm_line where road_id = 1640527

这是数据库结构

 z_order            | integer                     | 
 way_area           | real                        | 
 way                | geometry(LineString,900913) | 
 road_id            | integer                     | not null default nextval('planet_osm_line_road_id_seq'::regclass)
Indexes:
    "planet_osm_line_pkey1" PRIMARY KEY, btree (road_id)
    "planet_osm_line_index" gist (way)
    "planet_osm_line_pkey" btree (osm_id)

错误是

No function matches the given name and argument types. You might need to add explicit type casts.

我该怎么办。我猜功能是正确的，我从文档页面属性类型检查也匹配(几何，米)。需要说明的是，3785 用于转换为米。

Answer 1

那是愚蠢的。只需取下多余的牙套，瞧!