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droplang - Online in the Cloud

Run droplang in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command droplang that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

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 procedural language from a PostgreSQL
database.

droplang is just a wrapper around the DROP EXTENSION (DROP_EXTENSION(7)) SQL command.

Caution
droplang is deprecated and may be removed in a future PostgreSQL release. Direct use
of the DROP EXTENSION command is recommended instead.

OPTIONS


droplang accepts the following command line arguments:

langname
Specifies the name of the procedural language to be removed. (This name is
lower-cased.)

[-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.

-V
--version
Print the droplang version and exit.

-?
--help
Show help about droplang command line arguments, and exit.

droplang 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 host begins
with a slash, it is used as the directory 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
--no-password
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.

-W
--password
Force droplang to prompt for a password before connecting to a database.

This option is never essential, since droplang will automatically 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 attempt.

ENVIRONMENT


PGDATABASE
PGHOST
PGPORT
PGUSER
Default connection parameters

This utility, like most other PostgreSQL utilities, also uses the environment variables
supported by libpq (see Section 31.14, “Environment Variables”, in the documentation).

DIAGNOSTICS


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.

NOTES


Use createlang(1) to add a language.

EXAMPLES


To remove the language pltcl:

$ droplang pltcl dbname

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