write_page "</tr><tr><td class=\"left\">average test duration (on $DATE)</td>"
for ARCH in${ARCHS};do
RESULT=$(query_db "SELECT COALESCE(CAST(AVG(r.build_duration) AS INTEGER), 0) FROM results AS r JOIN sources AS s ON r.package_id=s.id WHERE r.build_duration!='0' AND r.build_date LIKE '%$DATE%' AND s.architecture='$ARCH'")
RESULT=$(query_db "SELECT COALESCE(CAST(AVG(r.build_duration) AS INTEGER), 0) FROM results AS r JOIN sources AS s ON r.package_id=s.id WHERE r.build_duration!='0' AND r.build_date::date = '$DATE' AND s.architecture='$ARCH'")