order by v1 nulls first \N \N \N \N [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,4] abc abc abc abc abc abd 42 42 42 42 42 43 order by v1 nulls last [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,4] abc abc abc abc abc abd 42 42 42 42 42 43 \N \N \N \N order by v2 nulls first \N \N \N \N [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,4] abc abc abc abc abc abd 42 42 42 42 42 43 order by v2 nulls last [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,3] [1,2,4] abc abc abc abc abc abd 42 42 42 42 42 43 \N \N \N \N order by v1, v2 nulls first [1,2,3] \N [1,2,3] [1,2,3] [1,2,3] [1,2,4] [1,2,3] abc [1,2,3] 42 [1,2,4] [1,2,3] abc \N abc [1,2,3] abc abc abc abd abc 42 abd abc 42 \N 42 [1,2,3] 42 abc 42 42 42 43 43 42 \N \N \N [1,2,3] \N abc \N 42 order by v1, v2 nulls last [1,2,3] [1,2,3] [1,2,3] [1,2,4] [1,2,3] abc [1,2,3] 42 [1,2,3] \N [1,2,4] [1,2,3] abc [1,2,3] abc abc abc abd abc 42 abc \N abd abc 42 [1,2,3] 42 abc 42 42 42 43 42 \N 43 42 \N [1,2,3] \N abc \N 42 \N \N order by v2, v1 nulls first \N [1,2,3] [1,2,3] [1,2,3] [1,2,4] [1,2,3] abc [1,2,3] 42 [1,2,3] [1,2,3] [1,2,4] \N abc [1,2,3] abc abc abc abd abc 42 abc abc abd \N 42 [1,2,3] 42 abc 42 42 42 43 42 42 43 \N \N [1,2,3] \N abc \N 42 \N order by v2, v1 nulls last [1,2,3] [1,2,3] [1,2,4] [1,2,3] abc [1,2,3] 42 [1,2,3] \N [1,2,3] [1,2,3] [1,2,4] [1,2,3] abc abc abc abd abc 42 abc \N abc abc abd [1,2,3] 42 abc 42 42 42 43 42 \N 42 42 43 [1,2,3] \N abc \N 42 \N \N \N v1 = v2 [1,2,3] [1,2,3] 1 [1,2,3] [1,2,4] 0 [1,2,3] abc 0 [1,2,3] 42 0 [1,2,3] \N 0 [1,2,4] [1,2,3] 0 abc [1,2,3] 0 abc abc 1 abc abd 0 abc 42 0 abc \N 0 abd abc 0 42 [1,2,3] 0 42 abc 0 42 42 1 42 43 0 42 \N 0 43 42 0 \N [1,2,3] 0 \N abc 0 \N 42 0 \N \N 1 v1 < v2 [1,2,3] [1,2,3] 0 [1,2,3] [1,2,4] 1 [1,2,3] abc 1 [1,2,3] 42 1 [1,2,3] \N 1 [1,2,4] [1,2,3] 0 abc [1,2,3] 0 abc abc 0 abc abd 1 abc 42 1 abc \N 1 abd abc 0 42 [1,2,3] 0 42 abc 0 42 42 0 42 43 1 42 \N 1 43 42 0 \N [1,2,3] 0 \N abc 0 \N 42 0 \N \N 0 v1 <= v2 [1,2,3] [1,2,3] 1 [1,2,3] [1,2,4] 1 [1,2,3] abc 1 [1,2,3] 42 1 [1,2,3] \N 1 [1,2,4] [1,2,3] 0 abc [1,2,3] 0 abc abc 1 abc abd 1 abc 42 1 abc \N 1 abd abc 0 42 [1,2,3] 0 42 abc 0 42 42 1 42 43 1 42 \N 1 43 42 0 \N [1,2,3] 0 \N abc 0 \N 42 0 \N \N 1 v1 > v2 [1,2,3] [1,2,3] 0 [1,2,3] [1,2,4] 0 [1,2,3] abc 0 [1,2,3] 42 0 [1,2,3] \N 0 [1,2,4] [1,2,3] 1 abc [1,2,3] 1 abc abc 0 abc abd 0 abc 42 0 abc \N 0 abd abc 1 42 [1,2,3] 1 42 abc 1 42 42 0 42 43 0 42 \N 0 43 42 1 \N [1,2,3] 1 \N abc 1 \N 42 1 \N \N 0 v1 >= v2 [1,2,3] [1,2,3] 1 [1,2,3] [1,2,4] 1 [1,2,3] abc 1 [1,2,3] 42 1 [1,2,3] \N 1 [1,2,4] [1,2,3] 1 abc [1,2,3] 1 abc abc 1 abc abd 1 abc 42 1 abc \N 1 abd abc 1 42 [1,2,3] 1 42 abc 1 42 42 1 42 43 1 42 \N 1 43 42 1 \N [1,2,3] 1 \N abc 1 \N 42 1 \N \N 1