Re: Parallel scan with SubTransGetTopmostTransaction assert coredump

[Pavel Borisov]

>
> At SERIALIZABLE level with v2/v5 I get an error which I don't have before
> the patch (but no crash):
> pgbench: error: client 6 script 0 aborted in command 594 query 0: ERROR:
>  could not serialize access due to read/write dependencies among
> transactions
> DETAIL:  Reason code: Canceled on identification as a pivot, during
> conflict out checking.
>
I should correct myself: the mentioned error under SERIALIZABLE is also
present before the patch.