cpp/test/tools/golden/empty_field_count_table.txt

model  object   column  category  row_count  entity_count  non_null_count  null_count  min_time  max_time  time_source
table  sensors  site    TAG       2          1             2               0           1000      2000      scan
table  sensors  room    TAG       2          1             2               0           1000      2000      scan
table  sensors  temp    FIELD     2          1             0               2           1000      2000      scan