clusterdb man page on Oracle

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CLUSTERDB(1)		PostgreSQL 9.2.7 Documentation		  CLUSTERDB(1)

       clusterdb - cluster a PostgreSQL database

       clusterdb [connection-option...] [--verbose | -v] [--table | -t table]

       clusterdb [connection-option...] [--verbose | -v] --all | -a

       clusterdb is a utility for reclustering tables in a PostgreSQL
       database. It finds tables that have previously been clustered, and
       clusters them again on the same index that was last used. Tables that
       have never been clustered are not affected.

       clusterdb is a wrapper around the SQL command CLUSTER(7). There is no
       effective difference between clustering databases via this utility and
       via other methods for accessing the server.

       clusterdb accepts the following command-line arguments:

       -a, --all
	   Cluster all databases.

       [-d] dbname, [--dbname=]dbname
	   Specifies the name of the database to be clustered. If this is not
	   specified and -a (or --all) is not used, the database name is read
	   from the environment variable PGDATABASE. If that is not set, the
	   user name specified for the connection is used.

       -e, --echo
	   Echo the commands that clusterdb generates and sends to the server.

       -q, --quiet
	   Do not display progress messages.

       -t table, --table=table
	   Cluster table only.

       -v, --verbose
	   Print detailed information during processing.

       -V, --version
	   Print the clusterdb version and exit.

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

       clusterdb 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 the value begins with a slash, it is used as the
	   directory for the Unix domain socket.

       -p port, --port=port
	   Specifies the TCP 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 clusterdb to prompt for a password before connecting to a

	   This option is never essential, since clusterdb will automatically
	   prompt for a password if the server demands password
	   authentication. However, clusterdb 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.

	   Specifies the name of the database to connect to discover what
	   other databases should be clustered. If not specified, the postgres
	   database will be used, and if that does not exist, template1 will
	   be used.

	   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).

       In case of difficulty, see CLUSTER(7) and psql(1) for discussions of
       potential problems and error messages. The database server must be
       running at the targeted host. Also, any default connection settings and
       environment variables used by the libpq front-end library will apply.

       To cluster the database test:

	   $ clusterdb test

       To cluster a single table foo in a database named xyzzy:

	   $ clusterdb --table foo xyzzy


PostgreSQL 9.2.7		  2014-02-17			  CLUSTERDB(1)

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