Em sex., 30 de jul. de 2021 às 05:57, liuhuail...@fujitsu.com < liuhuail...@fujitsu.com> escreveu:
> Hi, all > > When I used SPI_execute_plan function on PG12 which commit 41c6a5be is > used, > Segment fault occurred. > > PS: If commit 41c6a5be is not used, this phenomenon will not happen. > > Reproduce: > In a background process, the following steps are executed. > -------------------------- > StartTransactionCommand(); > SPI_connect(); > plan = SPI_prepare(query,0,NULL); ★the query is a SELECT SQL. > SPI_keepplan(plan); > SPI_finish(); > CommitTransactionCommand(); > StartTransactionCommand(); > SPI_connect(); > SPI_execute_plan(plan, NULL, NULL, true, 0); ★Segment fault > -------------------------- > > Core stack: > Stack trace of thread 43926: > #0 0x0000000000772f19 EnsurePortalSnapshotExists > (postgres) > #1 0x000000000064f85c _SPI_execute_plan (postgres) > #2 0x000000000064fbd1 SPI_execute_plan (postgres) > #3 0x00007fbee784402e xxx (xxx.so) > #4 0x00007fbee78424ae xxxx (xxxx.so) > #5 0x00000000006e91f5 StartBackgroundWorker (postgres) > #6 0x00000000006f5e25 maybe_start_bgworkers (postgres) > #7 0x00000000006f6121 reaper (postgres) > #8 0x00007fbeedf48dc0 __restore_rt (libpthread.so.0) > #9 0x00007fbeebadf75b __select (libc.so.6) > #10 0x00000000006f6ea6 ServerLoop (postgres) > #11 0x00000000006f8c30 PostmasterMain (postgres) > #12 0x0000000000485d99 main (postgres) > #13 0x00007fbeeba0f873 __libc_start_main (libc.so.6) > #14 0x0000000000485e3e _start (postgres) > > Is there a bug in the commit 41c6a5be? Please confirm it. > Did you test it on the HEAD too? regards, Ranier Vilela