default data_01917 d1_idx minmax minmax d1 1 0 0 0 default data_01917 d1_null_idx minmax minmax assumeNotNull(d1_null) 1 0 0 0 default data_01917_2 memory set set(1000) frequency * length(name) 5 0 0 0 default data_01917_2 sample_index1 minmax minmax length(name), name 4 0 0 0 default data_01917_2 sample_index2 ngrambf_v1 ngrambf_v1(3, 256, 2, 0) lower(name), name 4 0 0 0 2 3 d1_idx d1_null_idx sample_index1