On Thu, Feb 08, 2024 at 09:00:01AM +0300, Alexander Lakhin wrote: > Hello, > > Please look at errors, which produced by the following script, starting > from 6566133c5: > for i in `seq 100`; do (echo "CREATE USER u; DROP USER u;"); done | psql > >psql-1.log 2>&1 & > for i in `seq 100`; do (echo "CREATE USER u; DROP USER u;"); done | psql > >psql-2.log 2>&1 & > wait > > ERROR: could not find tuple for role 16387 > ERROR: could not find tuple for role 16390 > ERROR: could not find tuple for role 16394 > ... > > Maybe these errors are expected, but then I'm confused by the comment in > DropRole():
Well, these errors should never happen, IMHO, so it seems to me that the comment is right and that the code lacks locking, contrary to what the comment tells. -- Michael
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