  needs a text search configuration to perform its processing.
    The configuration parameter
    <A
HREF="runtime-config-client.html#GUC-DEFAULT-TEXT-SEARCH-CONFIG"
>default_text_search_config</A
>
    specifies the name of the default configuration, which is the
    one used by text search functions if an explicit configuration
    parameter is omitted.
    It can be set in <TT
CLASS="FILENAME"
>postgresql.conf</TT
>, or set for an
    individual session using the <TT
CLASS="COMMAND"
>SET</TT
> command.
