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pg_connect

Name

pg_connect -- open a connection to the backend server

Synopsis

pg_connect -conninfo connectOptions
pg_connect dbName [-host hostName]
  [-port portNumber] [-tty pqtty]
  [-options optionalBackendArgs]

Inputs (new style)

connectOptions

A string of connection options, each written in the form keyword = value. A list of valid options can be found in libpq's PQconnectdb() manual entry.

Inputs (old style)

dbName

Specifies a valid database name.

[-host hostName]

Specifies the domain name of the backend server for dbName.

[-port portNumber]

Specifies the IP port number of the backend server for dbName.

[-tty pqtty]

Specifies file or tty for optional debug output from backend.

[-options optionalBackendArgs]

Specifies options for the backend server for dbName.

Outputs

dbHandle

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

Description

pg_connect opens a connection to the PostgreSQL backend.

Two syntaxes are available. In the older one, each possible option has a separate option switch in the pg_connect statement. In the newer form, a single option string is supplied that can contain multiple option values. See pg_conndefaults for info about the available options in the newer syntax.

Usage

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