On Wed, 2024-12-18 at 22:13 +0500, M.Yousaf Maqsood wrote: > When I was running pg_upgrade with --check Option, it says can load load library > pg_trgm.so because pg_popcount is undefined symbol which is being used in pg_trgm > in 15.3 but 17.1 is unable to identify it. > > Can anyone guide me ? With PostgreSQL v17 you have to use the v17 version of pg_trgm.so; you cannot just copy it from the v15 installation. Yours, Laurenz Albe
