Hi, On 2022-08-03 11:19:59 +0900, Dong Wook Lee wrote: > Is there no problem with selecting all the columns during SELECT statements? > I thought there might be a problem where the test results could change easily.
Which indeed is the case, e.g. on 32bit systems it fails: https://cirrus-ci.com/task/4619535222308864?logs=test_world_32#L253 https://api.cirrus-ci.com/v1/artifact/task/4619535222308864/testrun/build-32/testrun/pgstattuple/regress/regression.diffs table_len | tuple_count | tuple_len | tuple_percent | dead_tuple_count | dead_tuple_len | dead_tuple_percent | free_space | free_percent -----------+-------------+-----------+---------------+------------------+----------------+--------------------+------------+-------------- - 1171456 | 5000 | 560000 | 47.8 | 5000 | 560000 | 47.8 | 7452 | 0.64 + 1138688 | 5000 | 540000 | 47.42 | 5000 | 540000 | 47.42 | 14796 | 1.3 (1 row) ... You definitely can't rely on such details not to change across platforms. Greetings, Andres Freund