DROPLANG(1) PostgreSQL Client Applications DROPLANG(1)

NAME droplang - remove a PostgreSQL procedural language

SYNOPSIS droplang [ connection-option... ] langname [ dbname ]

droplang [ connection-option... ] --list | -l dbname

DESCRIPTION droplang is a utility for removing an existing programming language from a PostgreSQL database. droplang can drop any procedural language, even those not supplied by the PostgreSQL distribution.

Although backend programming languages can be removed directly using several SQL commands, it is recommended to use droplang because it per- forms a number of checks and is much easier to use. See DROP LANGUAGE [drop_language(7)] for more.

OPTIONS droplang accepts the following command line arguments:

langname Specifies the name of the backend programming language to be removed.

[-d] dbname

[--dbname] dbname Specifies from which database the language should be removed. The default is to use the database with the same name as the current system user.


--echo Display SQL commands as they are executed.


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

droplang also accepts the following command line arguments for connec- tion parameters:

-h host

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

-p port

--port port Specifies the Internet TCP/IP 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


--password Force password prompt.




PGUSER Default connection parameters

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

NOTES Use createlang(1) to add a language.

EXAMPLES To remove the language pltcl:

$ droplang pltcl dbname

SEE ALSO createlang(1), DROP LANGUAGE [drop_language(7)], Environment Variables (the documentation)

Application 2010-12-14 DROPLANG(1)