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pg-connection-string

Functions for dealing with a PostgresSQL connection string

Usage

var parse = require('pg-connection-string').parse;

var config = parse('postgres://someuser:somepassword@somehost:381/somedatabase')

The resulting config contains a subset of the following properties:

host - Postgres server hostname or, for UNIX domain sockets, the socket filename
port - port on which to connect
user - User with which to authenticate to the server
password - Corresponding password
database - Database name within the server
client_encoding - string encoding the client will use
ssl, either a boolean or an object with properties
- rejectUnauthorized
- cert
- key
- ca
any other query parameters (for example, application_name) are preserved intact.

Connection Strings

The short summary of acceptable URLs is:

socket:<path>?<query> - UNIX domain socket
postgres://<user>:<password>@<host>:<port>/<database>?<query> - TCP connection

But see below for more details.

UNIX Domain Sockets

When user and password are not given, the socket path follows socket:, as in socket:/var/run/pgsql. This form can be shortened to just a path: /var/run/pgsql.

When user and password are given, they are included in the typical URL positions, with an empty host, as in socket://user:pass@/var/run/pgsql.

Query parameters follow a ? character, including the following special query parameters:

db=<database> - sets the database name (urlencoded)
encoding=<encoding> - sets the client_encoding property

TCP Connections

TCP connections to the Postgres server are indicated with pg: or postgres: schemes (in fact, any scheme but socket: is accepted). If username and password are included, they should be urlencoded. The database name, however, should not be urlencoded.