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ALTER TEXT SEARCH CONFIGURATION(7SQL CommandALTER TEXT SEARCH CONFIGURATION(7)



NAME
       ALTER TEXT SEARCH CONFIGURATION - change the definition of a text search configuration


SYNOPSIS
       ALTER TEXT SEARCH CONFIGURATION name
           ADD MAPPING FOR token_type [, ... ] WITH dictionary_name [, ... ]
       ALTER TEXT SEARCH CONFIGURATION name
           ALTER MAPPING FOR token_type [, ... ] WITH dictionary_name [, ... ]
       ALTER TEXT SEARCH CONFIGURATION name
           ALTER MAPPING REPLACE old_dictionary WITH new_dictionary
       ALTER TEXT SEARCH CONFIGURATION name
           ALTER MAPPING FOR token_type [, ... ] REPLACE old_dictionary WITH new_dictionary
       ALTER TEXT SEARCH CONFIGURATION name
           DROP MAPPING [ IF EXISTS ] FOR token_type [, ... ]
       ALTER TEXT SEARCH CONFIGURATION name RENAME TO newname
       ALTER TEXT SEARCH CONFIGURATION name OWNER TO newowner


DESCRIPTION
       ALTER  TEXT SEARCH CONFIGURATION changes the definition of a text search configuration. You can modify its map-
       pings from token types to dictionaries, or change the configuration's name or owner.

       You must be the owner of the configuration to use ALTER TEXT SEARCH CONFIGURATION.

PARAMETERS
       name   The name (optionally schema-qualified) of an existing text search configuration.

       token_type
              The name of a token type that is emitted by the configuration's parser.

       dictionary_name
              The name of a text search dictionary to be consulted for the specified token type(s). If  multiple  dic-
              tionaries are listed, they are consulted in the specified order.

       old_dictionary
              The name of a text search dictionary to be replaced in the mapping.

       new_dictionary
              The name of a text search dictionary to be substituted for old_dictionary.

       newname
              The new name of the text search configuration.

       newowner
              The new owner of the text search configuration.

       The ADD MAPPING FOR form installs a list of dictionaries to be consulted for the specified token type(s); it is
       an error if there is already a mapping for any of the token types.  The ALTER MAPPING FOR form does  the  same,
       but  first  removing  any  existing  mapping for those token types.  The ALTER MAPPING REPLACE forms substitute
       new_dictionary for old_dictionary anywhere the latter appears.  This is done for only the specified token types
       when  FOR appears, or for all mappings of the configuration when it doesn't.  The DROP MAPPING form removes all
       dictionaries for the specified token type(s), causing tokens of those types to be ignored by  the  text  search
       configuration. It is an error if there is no mapping for the token types, unless IF EXISTS appears.


EXAMPLES
       The following example replaces the english dictionary with the swedish dictionary anywhere that english is used
       within my_config.

       ALTER TEXT SEARCH CONFIGURATION my_config
         ALTER MAPPING REPLACE english WITH swedish;


COMPATIBILITY
       There is no ALTER TEXT SEARCH CONFIGURATION statement in the SQL standard.

SEE ALSO
       CREATE  TEXT  SEARCH  CONFIGURATION  [create_text_search_configuration(7)],  DROP  TEXT  SEARCH   CONFIGURATION
       [drop_text_search_configuration(7)]



SQL - Language Statements         2014-02-17ALTER TEXT SEARCH CONFIGURATION(7)