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createlang

Name

createlang -- define a new PostgreSQL procedural language

Synopsis

createlang [ connection-option ...] langname [ dbname ]
createlang [ connection-option ...] --list | -l dbname

Description

createlang is a utility for adding a new programming language to a PostgreSQL database. createlang is just a wrapper around the CREATE LANGUAGE command, which see for additional information.

Options

createlang accepts the following command-line arguments:

langname

Specifies the name of the procedural programming language to be defined.

[-d] dbname
[--dbname] dbname

Specifies to which database the language should be added. The default is to use the database with the same name as the current system user.

-e
--echo

Display SQL commands as they are executed.

-l
--list

Show a list of already installed languages in the target database.

createlang also accepts the following command-line arguments for connection parameters:

-h host
--host host

Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.

-p port
--port port

Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.

-U username
--username username

User name to connect as.

-W
--password

Force password prompt.

Environment

PGDATABASE
PGHOST
PGPORT
PGUSER

Default connection parameters

Diagnostics

Most error messages are self-explanatory. If not, run createlang with the --echo option and see under the respective SQL command for details.

Notes

Use droplang to remove a language.

Examples

To install the language pltcl into the database template1:

$ 
createlang pltcl template1

Note that installing the language into template1 will cause it to be automatically installed into subsequently-created databases as well.

See Also

droplang , CREATE LANGUAGE , Environment Variables (Section 28.11)

 
 
  Published courtesy of The PostgreSQL Global Development Group Design by Interspire