On Thu, Mar 28, 2019 at 4:31 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > Andrew Dunstan <andrew.duns...@2ndquadrant.com> writes: > > I mean repeated invocations of > > psql -c "select '$ ? (@ like_regex \"pattern\" flag \"a\")'::jsonpath" > > These get crash, no crash, crash, no crash ... > > That is just wacko ... but it does seem to support my thought of > a wild store somewhere. The mechanism for this case might be > that memory layout is different depending on whether we had to > rebuild the relcache init file at session start or not. Similarly, > the fact that the full test script reliably crashes might be > dependent on previous commands having left things in a certain > state. Unfortunately that gets us little closer to a fix. > > Has anybody gotten through a valgrind run on this code yet?
I've [1]. Find single backtrace, but it doesn't seem to be related to our issue. 1. https://www.postgresql.org/message-id/CAPpHfdsgyPKbaqOsJ4tyC97Ybpm69eGLHzBGLKYXsfJi%3Dc-fjA%40mail.gmail.com ------ Alexander Korotkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company
