diff options
| -rw-r--r-- | contrib/tsearch2/docs/tsearch2-ref.html | 55 |
1 files changed, 27 insertions, 28 deletions
diff --git a/contrib/tsearch2/docs/tsearch2-ref.html b/contrib/tsearch2/docs/tsearch2-ref.html index acb673bcab5..a6d31078758 100644 --- a/contrib/tsearch2/docs/tsearch2-ref.html +++ b/contrib/tsearch2/docs/tsearch2-ref.html @@ -216,7 +216,33 @@ These dictionaries are tried in order, stopping either with the first one to return a lexeme for the token, or discarding the token if no dictionary returns a lexeme for it. -<h2><a name="dictionaries">Parsers</a></h2> +<h2><a name="testing">Testing</a></h2> + +Function <tt>ts_debug</tt> allows easy testing of your <b>current</b> configuration. +You may always test another configuration using <tt>set_curcfg</tt> function. +<p> +Example: +</p><pre>apod=# select * from ts_debug('Tsearch module for PostgreSQL 7.3.3'); + ts_name | tok_type | description | token | dict_name | tsvector +---------+----------+-------------+------------+-----------+-------------- + default | lword | Latin word | Tsearch | {en_stem} | 'tsearch' + default | lword | Latin word | module | {en_stem} | 'modul' + default | lword | Latin word | for | {en_stem} | + default | lword | Latin word | PostgreSQL | {en_stem} | 'postgresql' + default | version | VERSION | 7.3.3 | {simple} | '7.3.3' +</pre> +Here: +<br> +<ul> +<li>tsname - configuration name +</li><li>tok_type - token type +</li><li>description - human readable name of tok_type +</li><li>token - parser's token +</li><li>dict_name - dictionary used for the token +</li><li>tsvector - final result</li></ul> + + +<h2><a name="parsers">Parsers</a></h2> Each parser is defined by a record in the <tt>pg_ts_parser</tt> table: @@ -261,33 +287,6 @@ the current parser is used when this argument is omitted. which the parser will label each token of that type, the <tt>alias</tt> which names the token type, and a short description <tt>descr</tt> for the user to read. - <br> - Example: - <br> - <pre> apod=# select m.ts_name, t.alias as tok_type, t.descr as description, p.token,\ - apod=# m.dict_name, strip(to_tsvector(p.token)) as tsvector\ - apod=# from parse('Tsearch module for PostgreSQL 7.3.3') as\ - apod=# p, token_type() as t, pg_ts_cfgmap as m, pg_ts_cfg as c\ - apod=# where t.tokid=p.tokid and t.alias = m.tok_alias\ - apod=# and m.ts_name=c.ts_name and c.oid=show_curcfg(); - ts_name | tok_type | description | token | dict_name | tsvector - ---------+----------+-------------+------------+-----------+-------------- - default | lword | Latin word | Tsearch | {en_stem} | 'tsearch' - default | word | Word | module | {simple} | 'modul' - default | lword | Latin word | for | {en_stem} | - default | lword | Latin word | PostgreSQL | {en_stem} | 'postgresql' - default | version | VERSION | 7.3.3 | {simple} | '7.3.3' - </pre> - Here: - <ul> - <li> tsname - configuration name - </li><li> tok_type - token type - </li><li> description - human readable name of tok_type - </li><li> token - parser's token - </li><li> dict_name - dictionary will be used for the token - </li><li> tsvector - final result - </li></ul> - </dd><dt> <tt>CREATE FUNCTION parse( <em>[</em> <i>parser</i>, <em>]</em> <i>document</i> TEXT |