CREATELANG(1) PostgreSQL Client Applications CREATELANG(1)
createlang - define a new PostgreSQL procedural language
createlang [ connection-option... ] langname [ dbname ]
createlang [ connection-option... ] [ --list ] [ -l ] dbname
createlang is a utility for adding a new programming language to a
PostgreSQL database. createlang can handle all the languages supplied
in the default PostgreSQL distribution, but not languages provided by
Although backend programming languages can be added directly using sev-
eral SQL commands, it is recommended to use createlang because it per-
forms a number of checks and is much easier to use. See CREATE LANGUAGE
[create_language(7)] for additional information.
createlang accepts the following command-line arguments:
Specifies the name of the procedural programming language to be
Specifies to which database the language should be added. The
default is to use the database with the same name as the current
--echo Display SQL commands as they are executed.
--list Show a list of already installed languages in the target
Specifies the directory in which the language interpreter is to
be found. The directory is normally found automatically; this
option is primarily for debugging purposes.
createlang also accepts the following command-line arguments for con-
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.
Specifies the TCP port or local Unix domain socket file exten-
sion on which the server is listening for connections.
User name to connect as.
Force password prompt.
PGUSER Default connection parameters
Most error messages are self-explanatory. If not, run createlang with
the --echo option and see under the respective SQL command for details.
Use droplang(1) to remove a language.
To install the language pltcl into the database template1:
$ createlang pltcl template1
droplang(1), CREATE LANGUAGE [create_language(7)]
Application 2005-01-17 CREATELANG(1)
Man(1) output converted with