model  object  tag.site  tag.rack  tag.sensor  field    data_type  non_null_count  null_count  min_time  max_time  min    max    first  last   sum    stats_source
table  table1                                  value    INT64      20              0           0         19        0      19     0      19            statistics
table  table2            rack0     sensor0     reading  DOUBLE     0               1           0         0                                            scan
table  table2            rack1     sensor1     reading  DOUBLE     1               0           1         1         1.25   1.25   1.25   1.25   1.25   statistics
table  table2  null      rack2     sensor2     reading  DOUBLE     1               0           2         2         2.5    2.5    2.5    2.5    2.5    statistics
table  table2  site10    rack10    sensor10    reading  DOUBLE     1               0           10        10        12.5   12.5   12.5   12.5   12.5   statistics
table  table2  site11    rack11    sensor11    reading  DOUBLE     1               0           11        11        13.75  13.75  13.75  13.75  13.75  statistics
table  table2  site12    rack12    sensor12    reading  DOUBLE     0               1           12        12                                           scan
table  table2  site13    rack13    sensor13    reading  DOUBLE     1               0           13        13        16.25  16.25  16.25  16.25  16.25  statistics
table  table2  site14    rack14    sensor14    reading  DOUBLE     1               0           14        14        17.5   17.5   17.5   17.5   17.5   statistics
table  table2  site15    rack15    sensor15    reading  DOUBLE     1               0           15        15        18.75  18.75  18.75  18.75  18.75  statistics
table  table2  site16    rack16    sensor16    reading  DOUBLE     0               1           16        16                                           scan
table  table2  site17    rack17    sensor17    reading  DOUBLE     1               0           17        17        21.25  21.25  21.25  21.25  21.25  statistics
table  table2  site18    rack18    sensor18    reading  DOUBLE     1               0           18        18        22.5   22.5   22.5   22.5   22.5   statistics
table  table2  site19    rack19    sensor19    reading  DOUBLE     1               0           19        19        23.75  23.75  23.75  23.75  23.75  statistics
table  table2  site3     rack3     sensor3     reading  DOUBLE     1               0           3         3         3.75   3.75   3.75   3.75   3.75   statistics
table  table2  site4     rack4     sensor4     reading  DOUBLE     0               1           4         4                                            scan
table  table2  site5     rack5     sensor5     reading  DOUBLE     1               0           5         5         6.25   6.25   6.25   6.25   6.25   statistics
table  table2  site6     rack6     sensor6     reading  DOUBLE     1               0           6         6         7.5    7.5    7.5    7.5    7.5    statistics
table  table2  site7     rack7     sensor7     reading  DOUBLE     1               0           7         7         8.75   8.75   8.75   8.75   8.75   statistics
table  table2  site8     rack8     sensor8     reading  DOUBLE     0               1           8         8                                            scan
table  table2  site9     rack9     sensor9     reading  DOUBLE     1               0           9         9         11.25  11.25  11.25  11.25  11.25  statistics
