To install something, first brew tap petere/postgresql and then brew install. This is similar to what you can do on certain Linux distributions, for example Debian. bak files to their original nameĩ) Swap your data directories as in the guideġ0) Start the 9.5 server and analyze it using the generated analyze_all.sh scriptġ1) Enjoy postgres 9.These formulae allow installing multiple versions of PostgreSQL in parallel. Ln -sf /usr/local/Cellar/postgresql/9.4.5_2/lib/postgresql /usr/local/lib/Įxec /usr/local/Cellar/postgresql/9.5.0/bin/pg_dump.bak Rename 9.5 pg_dumpall to pg_dumpall.bak and create a shell wrapper pg_dumpall: #!/bin/shĮxec /usr/local/Cellar/postgresql/9.5.0/bin/pg_dumpall.bak Make the wrappers executable with chmod +xħ) Start pg_upgrade as in the guide (this also works with the -k switch, if your low on space, like me)Ĩ) Remove the shell wrappers and rename the. Ln -sf /usr/local/Cellar/postgresql/9.5.0/lib/postgresql /usr/local/lib/Įxec /usr/local/Cellar/postgresql/9.5.0/bin/pg_ctl.bak Rename 9.5 pg_dump to pg_dump.bak and create a shell wrapper pg_dump: #!/bin/sh Thanks in advance for any help Replyġ) While still on 9.4 make sure your hstore databases no longer use the deprecated => operator: for db in `echo 'SELECT datname FROM pg_database ' |/usr/local/Cellar/postgresql/9.4.5_2/bin/psql -t` do echo $db echo 'ALTER EXTENSION "hstore" UPDATE ' | /usr/local/Cellar/postgresql/9.4.5_2/bin/psql $db doneĢ) stop 9.4 server, brew upgrade postgresql and initdb the new data directory as in the guideģ) Rename 9.5 pg_ctl to pg_ctl.bak and create a shell wrapper as pg_ctl: #!/bin/sh Any ideas? I feel like I messed something up in the original accidental update, but don’t know where to look next. LOG: aborting startup due to startup process failure LOG: startup process (PID 11160) exited with exit code 1 LOG: record with zero length at 0/2BE6970įATAL: could not open directory “pg_logical/snapshots”: No such file or directory LOG: database system was not properly shut down automatic recovery in progress Waiting for server to start….LOG: database system shutdown was interrupted last known up at 17:50:44 PST Pg_upgrade run on Thu Mar 10 19:51:23 2016Ĭommand: “/usr/local/Cellar/postgresql94/9.4.5/bin/pg_ctl” -w -l “pg_upgrade_server.log” -D “/usr/local/var/postgres” -o “-p 50432 -b -c listen_addresses=” -c unix_socket_permissions=0700 -c unix_socket_directories=’/Users/username/Projects/ProjectName'” start > “pg_upgrade_server.log” 2>&1 Is the server running locally and acceptingĬonnections on Unix domain socket “/Users/username/Projects/ProjectName/.s.PGSQL.50432”?Īnd here’s the log from pg_upgrade_server.log: There were problems executing “”/usr/local/Cellar/postgresql94/9.4.5/bin/pg_ctl” -w -l “pg_upgrade_server.log” -D “/usr/local/var/postgres” -o “-p 50432 -b -c listen_addresses=” -c unix_socket_permissions=0700 -c unix_socket_directories=’/Users/username/Projects/ProjectName'” start > “pg_upgrade_server.log” 2>&1″Ĭonsult the last few lines of “pg_upgrade_server.log” forĬonnection to database failed: could not connect to server: No such file or directory B /usr/local/Cellar/postgresql/9.5.1/bin/ -vīut running into the following error in Terminal: I went ahead and re-installed 9.4.5 binary, then switched back to 9.5.1 and am now trying to run pg_upgrade with this command: I was running 9.4.*, and then accidentally re-installed Homebrew (as a result of working on a another project and not thinking), which auto-installed postgres 9.5.1. Wondering if someone here can help me, I somehow borked my postgres db last night. Note 2: If you’ve already uninstalled a previous version of PostgreSQL, there is a good post on StackOverflow with instructions to install previous versions. Note: If you’re using the pg gem for Rails, you should recompile: $ gem uninstall pg $ mv /usr/local/var/postgres9.5 /usr/local/var/postgres $ mv /usr/local/var/postgres /usr/local/var/postgres9.4 Move 9.5 data directory back to where PostgreSQL expects it to be:.B /usr/local/Cellar/postgresql/9.5.0/bin/ \ Replace 9.4.5_2 with the most current version of postgres in that directory. Note that I have 9.4.5_2 in here, it could be that you aren’t on the latest version. Migrate the data to the new 9.5 database.$ initdb /usr/local/var/postgres9.5 -E utf8 # or, if you're running a current version of Homebrew $ launchctl unload ~/Library/LaunchAgents/ I wrote a post about upgrading from 9.3 to 9.4 in the past, and many people found it useful, so I decided to update it a bit for the 9.4 to 9.5 upgrade. I also have a guide using pg_upgradecluster on Ubuntu. 30 2016: PostgreSQL 9.6 was released today, and these instructions should work - just replace 9.4 with 9.5 and 9.5 with 9.6.
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