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REINDEXDB(1)		PostgreSQL 9.6.19 Documentation		  REINDEXDB(1)

       reindexdb - reindex a PostgreSQL	database

       reindexdb [connection-option...]	[option...]
		 [ --schema | -S schema	]...  [	--table	| -t table ]...
		 [ --index | -i	index ]...  [dbname]

       reindexdb [connection-option...]	[option...] --all | -a

       reindexdb [connection-option...]	[option...] --system | -s  [dbname]

       reindexdb is a utility for rebuilding indexes in	a PostgreSQL database.

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

       reindexdb accepts the following command-line arguments:

	   Reindex all databases.

       [-d] dbname
	   Specifies the name of the database to be reindexed. 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.

	   Echo	the commands that reindexdb generates and sends	to the server.

       -i index
	   Recreate index only.	Multiple indexes can be	recreated by writing
	   multiple -i switches.

	   Do not display progress messages.

	   Reindex database's system catalogs.

       -S schema
	   Reindex schema only.	Multiple schemas can be	reindexed by writing
	   multiple -S switches.

       -t table
	   Reindex table only. Multiple	tables can be reindexed	by writing
	   multiple -t switches.

	   Print detailed information during processing.

	   Print the reindexdb version and exit.

	   Show	help about reindexdb command line arguments, and exit.

       reindexdb also accepts the following command-line arguments for
       connection parameters:

       -h 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
	   Specifies the TCP port or local Unix	domain socket file extension
	   on which the	server is listening for	connections.

       -U 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 reindexdb to prompt for a password before connecting to a

	   This	option is never	essential, since reindexdb will	automatically
	   prompt for a	password if the	server demands password
	   authentication. However, reindexdb 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 reindexed.	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 32.14,
       "Environment Variables",	in the documentation).

       In case of difficulty, see REINDEX(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.

       reindexdb might need to connect several times to	the PostgreSQL server,
       asking for a password each time.	It is convenient to have a ~/.pgpass
       file in such cases. See Section 32.15, "The Password File", in the
       documentation for more information.

       To reindex the database test:

	   $ reindexdb test

       To reindex the table foo	and the	index bar in a database	named abcd:

	   $ reindexdb --table foo --index bar abcd


PostgreSQL 9.6.19		     2020			  REINDEXDB(1)


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