pgsql: Remove remaining mentions of UNSAFE_STAT_OK

Remove remaining mentions of UNSAFE_STAT_OK The last use was removed by bed90759fcbcd72d4d06969eebab81e47326f9a2. Discussion: https://www.postgresql.org/message-id/flat/01229f9a-b358-d71e-31ae-4c0855d73cbc%40enterprisedb.com Branch -- master Details --- https://git.postgresql.org/pg/co

pgsql: regress: allow to specify directory containing expected files, f

regress: allow to specify directory containing expected files, for ecpg The ecpg tests have their input directory in the build directory, as the tests need to be built. Until now that required copying the expected/ directory to the build directory in VPATH builds. To avoid needing to implement the

pgsql: Remove dummyret definition

Remove dummyret definition This hasn't been used in a while (last use removed by 50d22de932, and before that 84b6d5f359), and since we are now preferring inline functions over complex macros, it's unlikely to be needed again. Reviewed-by: Daniel Gustafsson Discussion: https://www.postgresql.org