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droplang (1)
  • >> droplang (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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    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 performs 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 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
    --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)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    ENVIRONMENT
    DIAGNOSTICS
    NOTES
    EXAMPLES
    SEE ALSO


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