ALTER TEXT SEARCH DICTIONARY(7)                           SQL Commands                           ALTER TEXT SEARCH DICTIONARY(7)



NAME
       ALTER TEXT SEARCH DICTIONARY - change the definition of a text search dictionary


SYNOPSIS
       ALTER TEXT SEARCH DICTIONARY name (
           option [ = value ] [, ... ]
       )
       ALTER TEXT SEARCH DICTIONARY name RENAME TO newname
       ALTER TEXT SEARCH DICTIONARY name OWNER TO newowner


DESCRIPTION
       ALTER  TEXT  SEARCH  DICTIONARY  changes the definition of a text search dictionary. You can change the dictionary's tem-
       plate-specific options, or change the dictionary's name or owner.

       You must be the owner of the dictionary to use ALTER TEXT SEARCH DICTIONARY.

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

       option The name of a template-specific option to be set for this dictionary.

       value  The new value to use for a template-specific option.  If the equal sign and value are omitted, then  any  previous
              setting for the option is removed from the dictionary, allowing the default to be used.

       newname
              The new name of the text search dictionary.

       newowner
              The new owner of the text search dictionary.

       Template-specific options can appear in any order.

EXAMPLES
       The  following  example  command  changes  the  stopword  list  for  a Snowball-based dictionary. Other parameters remain
       unchanged.

       ALTER TEXT SEARCH DICTIONARY my_dict ( StopWords = newrussian );


       The following example command changes the language option to dutch, and removes the stopword option entirely.

       ALTER TEXT SEARCH DICTIONARY my_dict ( language = dutch, StopWords );


       The following example command ``updates'' the dictionary's definition without actually changing anything.

       ALTER TEXT SEARCH DICTIONARY my_dict ( dummy );

       (The reason this works is that the option removal code doesn't complain if there is no such option.) This trick is useful
       when changing configuration files for the dictionary: the ALTER will force existing database sessions to re-read the con-
       figuration files, which otherwise they would never do if they had read them earlier.

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

SEE ALSO
       CREATE TEXT SEARCH DICTIONARY [create_text_search_dictionary(7)], DROP TEXT SEARCH  DICTIONARY  [drop_text_search_dictio-
       nary(7)]



SQL - Language Statements                                  2011-09-22                            ALTER TEXT SEARCH DICTIONARY(7)