QGIS и слой PostGIS с полем geography

[rhot]

Подключил слой PostGIS (полигональный) в QGIS, при выборе инструмента "Определить объекты" выдаёт следующую ошибку:

Код: Выделить всё

Потеряно 1 состояний курсора.
SQL: declare qgisf0 binary cursor for select "gid",asbinary(force_2d("geog"::geometry),'NDR'),"fid_vid_al"::text,"id_asu"::text,"id"::text,"Код"::text,"id_1"::text,"ln"::text,"uch_ln"::text,"kv"::text,"vyd"::text,"podvyd"::text,"kl_vozr"::text,"sostav"::text,"gr_vozr"::text,"s"::text,"poroda"::text,"bon"::text,"object_id"::text,"nkv"::text,"label"::text,"pod_vyd"::text,"id_asu_1"::text,"area"::text,"x"::text,"y"::text,"fid_dog_di"::text,"ln_1"::text,"uch_ln_1"::text,"n_dog"::text,"data"::text,"s_1"::text,"v"::text,"v_hv"::text,"v_vyb_hv"::text,"v_vyb"::text,"id_uch"::text,"rent"::text,"formula_so"::text,"m1"::text,"m2"::text,"sr_vozrast"::text,"prispev"::text,"spel"::text,"fsc"::text,"s_12"::text,"tl"::text,"tlu_1"::text,"m_zapas"::text,"id_12"::text from "public"."v_tax" where "geog" && setsrid('BOX3D(45.9614121374536353 64.0735875701547144, 45.9618862614637465 64.0740616941648256)'::box3d,4326) and intersects("geog",setsrid('BOX3D(45.9614121374536353 64.0735875701547144, 45.9618862614637465 64.0740616941648256)'::box3d,4326))
Результат: 7 (ERROR:  function intersects(geography, geometry) does not exist
LINE 1: ...2614637465 64.0740616941648256)'::box3d,4326) and intersects...
                                                             ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.

Это что значит, QGIS не поддерживает пока полностью тип данных geography?
--
Ubuntu 11.10
Quantum GIS - 1.7.4-Wroclaw 'Wroclaw' (exported)
PostgreSQL 9.0.5 on i686-pc-linux-gnu, compiled by GCC gcc-4.5.real (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2, 32-bit
POSTGIS="1.5.3" GEOS="3.2.2-CAPI-1.6.2" PROJ="Rel. 4.7.1, 23 September 2009" LIBXML="2.7.8" USE_STATS