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pg_connect

Name

pg_connect -- open a connection to the server

Synopsis

pg_connect -conninfo connectOptions
pg_connect dbName ?-host hostName? ?-port portNumber? ?-tty tty? ?-options serverOptions?

Description

pg_connect opens a connection to the PostgreSQL server.

Two syntaxes are available. In the older one, each possible option has a separate option switch in the pg_connect command. In the newer form, a single option string is supplied that can contain multiple option values. pg_conndefaults can be used to retrieve information about the available options in the newer syntax.

Arguments

New style

connectOptions

A string of connection options, each written in the form keyword = value. A list of valid options can be found in the description of the libpq function PQconnectdb.

Old style

dbName

The name of the database to connect to.

-host hostName

The host name of the database server to connect to.

-port portNumber

The TCP port number of the database server to connect to.

-tty tty

A file or TTY for optional debug output from the server.

-options serverOptions

Additional configuration options to pass to the server.

Return Value

If successful, a handle for a database connection is returned. Handles start with the prefix pgsql.

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