# Golden test output of GoldenSbeStageBuilderTest/TestMergeSort
[5] unique_roaring s18 
[5] smerge [s18, s19, s20] [asc] [
    [s2] [s9, s7, s2] [2] nlj inner [s2, s7] [s1, s5, s3, s4, s6] 
        left 
            [1] project [s7 = newObj("a", s2)] 
            [1] ixseek KS(2B0201) KS(2B04FE) s4 s1 s5 s3 [s2 = 0] @"UUID" @"a_1" true 
        right 
            [2] limit 1ll 
            [2] seek s1 s8 s9 s5 s3 s4 s6 none none [] @"UUID" true false 
    , 
    [s11] [s17, s15, s11] [4] nlj inner [s11, s15] [s10, s14, s12, s13, s6] 
        left 
            [3] project [s15 = newObj("a", s11)] 
            [3] ixseek KS(2B0401) KS(2B06FE) s13 s10 s14 s12 [s11 = 0] @"UUID" @"a_1" true 
        right 
            [4] limit 1ll 
            [4] seek s10 s16 s17 s14 s12 s13 s6 none none [] @"UUID" true false 
] 
