Dave Blasby <[EMAIL PROTECTED]> writes: > gives the correct results. Postgres automatically uses the > agg_points3d() function to convert the BOX3D into an AGG_POINTS3D. > Unfortunately, it doesn't use the index scan anymore; it does a sequence > scan. First question: what Postgres version? Next question (if PG >= 7.0): did you mark your type conversion routine as cachable? regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://www.postgresql.org/search.mpl