Sameer Thakur wrote: > In the process of implementing my own version of sysdate, i was trying > to use the fmgr_hook. [...] > To debug i have a breakpoint inside custom_fmgr_hook. > > Debugging: > 1. Start postgres > 2. Start psql connecting to postgres > 3. Attach gdb to process spawned off by postmaster representing psql session. > 4. execute select * from now(); > > Problem: > The breakpoint seems to get skipped. Just to be sure i put a > breakpoint in explain_ExecutorStart and i could debug that function. > So i am attaching gdb to correct process. > What am i doing wrong? My experience is that you cannot set breakpoints before the library is loaded, so you first have to call a function in the library, then you interrupt and set the breakpoint. I don't know if there is a way to get around that with gdb on Linux. Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general