attname | null_frac | avg_width | n_distinct | most_common_vals | most_common_freqs | histogram_bounds | correlation ---------+-----------+-----------+------------+---------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------------------+------------- a | 0 | 8 | 1148 | {31826743,31855101,31855343,31854918,31856328,31861573,31855122,31855130,31855189,31856426} | {0.005,0.00466667,0.00433333,0.004,0.004,0.004,0.00366667,0.00366667,0.00366667,0.00366667} | {31734956,31854364,31854732,31855162,31855660,31857144,31858109,31858965,31859762,31860576,31861566} | 0.999608 b | 0 | 8 | -1 | | | {63977,36878147,42247866,42548692,42812320,46992026,51444368,55977972,56607708,59496742,68530614} | 0.602959