On Mon, 12 Oct 2009 18:46:02 +0530 Gaini Rajeshwar <raja.rajeshwar2...@gmail.com> wrote:
> Hi, > is there a way to rank the search results based on multiple fields > in postgreSQL? > For example, > i have *title*, *abstract*, *summary*, *body* as fields/columns in > my database. When user searches on *title*, i want to rank the > results based on *title* field as well as *summary* field, where > importance(summary) > importance(title). But the results should be > exactly matching the terms in "title" rather than "title" OR > "summary" http://www.postgresql.org/docs/current/interactive/textsearch-controls.html Basically, as you can read in the docs: - you create a ts_vector concatenating and giving a weight the various fields. - then you compare your ts_vector with plainto_tsquery(config, yourinput) @@ yourpreviouslycomputedts_vector and order by ts_rank(yourpreviouslycomputedts_vector, yourinput) (or ts_rank_cd) -- Ivan Sergio Borgonovo http://www.webthatworks.it -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
