![]() Do not set this db to the same as development or production. min_messages: notice Warning: The database defined as “test” will be erased and re-generated from your development database when you run “rake”. First thing to do is change your Gemfile. Without the -databasepostgresql, Rails will build your new app with Sqlite3 as the default databse. The server defaults to $user,public schema searchpath: myapp,sharedapp,public Minimum log levels, in increasing order: debug5, debug4, debug3, debug2, debug1, log, notice, warning, error, fatal, and panic Defaults to warning. The simple and straight forward way to start working with Postgres is to use the flag on your initial Rails build command rails new project-name -databasepostgresql. I would say the biggest con I can think of for having PostgreSQL triggers in your Rails app is that most of the stuff you would typically use triggers for can already be done through ActiveRecord fairly simply. Let's start with the cons and then we can end on a positive note with the pros. If your server runs on a different port number, change accordingly. Pros and Cons of PostgreSQL Triggers in Rails. host: localhost The TCP port the server listens on. Windows does not have domain sockets, so uncomment these lines. Omitted by default since the client uses a domain socket that doesn’t need configuration. Install PostgreSQL and put its /bin directory on your path. The OS X version of psql must point to the path containing the Postgres.app directory. Open up a new terminal window to ensure your changes have been saved. Install the pg driver: gem install pg On OS X with Homebrew: gem install pg -with-pg-config=/usr/local/bin/pg_config On OS X with MacPorts: gem install pg -with-pg-config=/opt/local/lib/postgresql84/bin/pg_config On Windows: gem install pg Choose the win32 build. Install Postgres.app and follow setup instructions. gem install sqlite3 Ensure the SQLite 3 gem is defined in your Gemfile gem ‘sqlite3’ĭatabase: db/development.sqlite3 Warning: The database defined as “test” will be erased and re-generated from your development database when you run “rake”. If you stared out with Sqlite3 the contents should look like this Next /config/database.yaml needs to be changed. Run $bundle install after this to install the added gem. # Use postgres as the database for Active Record gem 'pg' # Use sqlite3 as the database for Active Record gem 'sqlite3' Without the -database=postgresql, Rails will build your new app with Sqlite3 as the default databse.įirst thing to do is change your Gemfile. The simple and straight forward way to start working with Postgres is to use the flag on your initial Rails build command rails new project-name -database=postgresql. ![]() Just about everytime I build a new Rails app I forget to use PostgresĪs my default database. NPB Dev Blog Changing Your Rails Database to PostgreSQL from Sqlite3 ![]()
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