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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.

       -e

       --echo Display SQL commands as they are executed.

       -l

       --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

       -W

       --password
	      Force password prompt.


ENVIRONMENT
       PGDATABASE

       PGHOST

       PGPORT

       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)
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