On Tue, Mar 05, 2019 at 08:09:12AM -0800, Perumal Raj wrote: > Thanks Sergei/Justin for the continues update. > > So reorg Schema might be created as part of some scripts prior to 9.2 > Version ? I'm guessing they were probably created in 9.2. > These are the functions in DB not the Extension. However these functions > will not run as the associated libraries are not exists in System now (9.2) > and I hope no impact to system. I guess someone installed pgreorg, ran its scripts to install its functions into the DB, and then removed pgreorg without removing its scripts. > One Question need your address, > > Prior to 9.2 to 9.6 upgrade , I have tried 9.2 10.7 upgrade and failed > similar error(you can refer beginning o the post ). > > > could not load library "$libdir/hstore": ERROR: could not access file "$libdir/hstore": No such file or directory > > could not load library "$libdir/adminpack": ERROR: could not access file "$libdir/adminpack": No such file or directory > > could not load library "$libdir/uuid-ossp": ERROR: could not access file "$libdir/uuid-ossp": No such file or directory > > These Extension seems to be standard. What is the use of these function and > do we have any alternative in Higher version or Enhanced object if i drop > it in 9.2 and continue upgrade to 10.7 Version. See Sergei's response: https://www.postgresql.org/message-id/7164691551378448%40myt3-1179f584969c.qloud-c.yandex.net You probably want to install this package for the new version (9.6 or 10 or 11). [pryzbyj@TS-DB ~]$ rpm -ql postgresql11-contrib |grep -E '(uuid-ossp|adminpack|hstore)\.control' /usr/pgsql-11/share/extension/adminpack.control /usr/pgsql-11/share/extension/hstore.control /usr/pgsql-11/share/extension/uuid-ossp.control Justin