droplang man page on Scientific

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DROPLANG(1)		PostgreSQL Client Applications		   DROPLANG(1)

       droplang - remove a PostgreSQL procedural language

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

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

       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.

       droplang accepts the following command line arguments:

	      Specifies the name of the backend	 programming  language	to  be

       [-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 data‐

       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.


	      Never issue a password prompt. If the server  requires  password
	      authentication  and  a  password is not available by other means
	      such as a .pgpass file, the connection attempt will  fail.  This
	      option  can be useful in batch jobs and scripts where no user is
	      present to enter a password.


	      Force droplang to prompt for a password before connecting	 to  a

	      This  option  is	never essential, since droplang will automati‐
	      cally prompt for a  password  if	the  server  demands  password
	      authentication.	However,  droplang  will  waste	 a  connection
	      attempt finding out that the server wants a password.   In  some
	      cases  it	 is  worth  typing  -W	to  avoid the extra connection




       PGUSER Default connection parameters

       This utility, like most other PostgreSQL utilities, also uses the envi‐
       ronment variables supported by libpq (see in the documentation).

       Most error messages are self-explanatory. If not, run droplang with the
       --echo option and see under the respective  SQL	command	 for  details.
       Also, any default connection settings and environment variables used by
       the libpq front-end library will apply.

       Use createlang(1) to add a language.

       To remove the language pltcl:

       $ droplang pltcl dbname

       createlang(1), DROP LANGUAGE [drop_language(7)]

Application			  2013-10-08			   DROPLANG(1)

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