pá 12. 5. 2023 v 17:50 odesílatel Tom Lane <t...@sss.pgh.pa.us> napsal:
> Pavel Stehule <pavel.steh...@gmail.com> writes: > > pá 12. 5. 2023 v 15:26 odesílatel Tom Lane <t...@sss.pgh.pa.us> napsal: > >> Oh! AFAICS, we don't do any of those things, but I agree it seems like > >> a good idea. Can you confirm that if you unset PSQL_WATCH_PAGER then > >> the test passes for you? > > > yes, I tested it now, and unset PSQL_WATCH_PAGER fixed this issue. > > OK. So after looking at this a bit, the reason PAGER and PSQL_PAGER > don't cause us any problems in the test environment is that they are > not honored unless isatty(fileno(stdin)) && isatty(fileno(stdout)). > It seems to me that it's a bug that there is no such check before > using PSQL_WATCH_PAGER. Is there actually any defensible reason > for that? > Theoretically, we can write tests for these features, and then stdout, stdin may not be tty. Except for testing, using pager in non-interactive mode makes no sense. Regards Pavel > I think we do need to clear out all three variables in > Cluster::interactive_psql. But our regular psql tests shouldn't > be at risk here. > > regards, tom lane >