Hi The cfbost seems complains about the testcase:
Command exited with code 1 perl dumpregr.pl === $path ===\ndiff -w -U3 C:/projects/postgresql/src/test/regress/expected/write_parallel.out C:/projects/postgresql/src/test/regress/results/write_parallel.out --- C:/projects/postgresql/src/test/regress/expected/write_parallel.out 2020-12-21 01:41:17.745091500 +0000 +++ C:/projects/postgresql/src/test/regress/results/write_parallel.out 2020-12-21 01:47:20.375514800 +0000 @@ -1204,7 +1204,7 @@ -> Gather (actual rows=2 loops=1) Workers Planned: 3 Workers Launched: 3 - -> Parallel Seq Scan on temp2 (actual rows=0 loops=4) + -> Parallel Seq Scan on temp2 (actual rows=1 loops=4) Filter: (col2 < 3) Rows Removed by Filter: 1 (14 rows) @@ -1233,7 +1233,7 @@ -> Gather (actual rows=2 loops=1) Workers Planned: 3 Workers Launched: 3 - -> Parallel Seq Scan on temp2 (actual rows=0 loops=4) + -> Parallel Seq Scan on temp2 (actual rows=1 loops=4) Filter: (col2 < 3) Rows Removed by Filter: 1 (14 rows) Best regards, houzj