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ALTER_TEXT_SEARCH_DICTIONARY(7) - phpMan

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ALTER TEXT SEARCH DICTIONARY(7)   PostgreSQL 12.3 Documentation   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 new_name
       ALTER TEXT SEARCH DICTIONARY name OWNER TO { new_owner | CURRENT_USER | SESSION_USER }
       ALTER TEXT SEARCH DICTIONARY name SET SCHEMA new_schema

DESCRIPTION
       ALTER TEXT SEARCH DICTIONARY changes the definition of a text search dictionary. You can
       change the dictionary's template-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.

       new_name
           The new name of the text search dictionary.

       new_owner
           The new owner of the text search dictionary.

       new_schema
           The new schema for 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 configuration 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_DICTIONARY(7))



PostgreSQL 12.3                                2020               ALTER TEXT SEARCH DICTIONARY(7)


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