> They are pretty simple though. I think someone can also check if the same
> regression exists for parallel inserts in "INSERT INTO SELECT"
> patch set as well for larger tuple sizes.
Thanks for reminding.
I did some performance tests for parallel inserts in " INSERT INTO SELECT " with the testcase you provided,
the regression seems does not exists in "INSERT INTO SELECT".
I will try to test with larger tuple size later.
Best regards,
houzj