tsql - column Calculation if column > 1in T-SQL -


hi trying calculate value of columns , depending if column value instance

if lens.qty > 1  (case lens.lns_progtype  --design points when 762 70 when 767 70 when 768 70 when 841 35 when 842 35 else 0 end + case ltrim(rtrim(lens.coattyp))   --arc points when 'hvll' 50 when 'hvllblue' 100 else 0 end + case lens.lns_idx   --material points when 53 35 when 56 35 when 58 35 when 61 35 else 0 end + case lens.lns_matclr  --color points when 00 0 when 46 35 when 47 35 when 48 35 else 0  end total_points)*lens.qty / 2  else  case lens.lns_progtype  --design points when 762 70 when 767 70 when 768 70 when 841 35 when 842 35 else 0 end + case ltrim(rtrim(lens.coattyp))   --arc points when 'hvll' 50 when 'hvllblue' 100 else 0 end + case lens.lns_idx   --material points when 53 35 when 56 35 when 58 35 when 61 35 else 0 end + case lens.lns_matclr  --color points when 00 0 when 46 35 when 47 35 when 48 35 else 0  end total_points)

i keep getting syntax error , not sure going wrong not sure how , honest don't understand examples have viewed appreciated

i like:

(case   when lens.lns_progtype in (762,767,768) 70   when lens.lns_progtype in (841,842) 35   else 0 end + case ltrim(rtrim(lens.coattyp))   --arc points   when 'hvll'      50   when 'hvllblue'  100   else 0 end + case   when lens.lns_idx in (53,56,58,61) 35   else 0 end + case   when lens.lns_matclr in (46,47,48) 35   else 0 end) * case when lens.qty > 1 lens.qty / 2 else 1 end

for entire expression. but, said, i'd introduce mapping tables rather having of these magic constants in case expressions.


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