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
