ST_DWithin uses Geometry or Geography type

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assuming I use the following query to match the locations to a poi within 10km distance:

SELECTpoi.poi_id,h.loc_id,(ST_Distance(poi.geom,h.geom)*111.111) as distanceinkmFROM iut_poi_transl AS poi, hrs_loc as hWHERE poi.poigr_id != 30 AND ST_DWithin(poi.geom,h.geom,0.09)Data is SRID 4326.

Does it use the geometry or the geography type?

If uses geometry how do I have to change the query to get use geography type?



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