![]() ![]() ![]() To connect from PHP, make sure that it supports PostgreSQL. The version included with macOS doesn't support PostgreSQL. We recommend MAMP for an easy way to install a current version of PHP that works. "ENGINE": "django.db.backends.postgresql_psycopg2", In your settings.py, add an entry to your DATABASES setting: To connect to a PostgreSQL server with Python, please first install the psycopg2 library: Or the pg_connect() functions (procedural): Prepare("SELECT datname FROM pg_database") Įcho "". Install and require the datamapper and do_postgres gems, and create a database connection:ĭtup(:default, "postgres://localhost/") Install the activerecord gem and require 'active_record', and establish a database connection:ĪctiveRecord::Base.establish_connection("postgres://localhost/") In config/database.yml, use the following settings: To install the pg gem, make sure you have set up your $PATH correctly (see Command-Line Tools), then execute the following command: sudo ARCHFLAGS="-arch x86_64" gem install pg Rails When using the Flask-SQLAlchemy extension you can add to your application code:Īpp.config = 'postgresql://localhost/'Įngine = create_engine('postgresql://localhost/') Install and require the sequel gem, and create a database connection:ĭB = nnect("postgres://localhost/")ĭownload and install the PostgreSQL JDBC driverĬonnect to the JDBC URL jdbc:postgresql://localhostįor more information see the official PostgreSQL JDBC documentation. ![]() PGresult *result = PQexec(conn, "SELECT datname FROM pg_database") PGconn *conn = PQconnectdb("postgresql://localhost") Libpq is the native C client library for connecting to PostgreSQL. On iOS, you'll need to build libpq yourself. Now you can use the libpq C library to connect to PostgreSQL: Applications/Postgres.app/Contents/Versions/latest/lib Applications/Postgres.app/Contents/Versions/latest/include On macOS you can use the system provided libpq (does not support SSL) or use libpq provided by Postgres.app ![]()
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