You can see the effect
http://ideatorrent.org/ideatorrent?keywords=%C5%A1&tags=
* warning: pg_query() [function.pg-query]: Query failed: ERROR: syntax error in tsquery: "š" in /var/www/includes/database.pgsql.inc on line 139.
* user warning: query: SELECT qapoll_choice.id, qapoll_choice.title, qapoll_choice.bugid, qapoll_choice.specid, qapoll_choice.forumid, qapoll_choice.userid as userid, qapoll_choice.date, qapoll_choice.status, qapoll_choice.description, qapoll_choice.duplicatenumber, qapoll_choice.totalapprovalvotes, qapoll_choice.whiteboard, qapoll_choice.release_target, qapoll_choice.categoryid, qapoll_choice.relation_id, qapoll_choice.relation_subcategory_id, qapoll_poll_category.name as catname, qapoll_poll_relation.name as relation_name, qapoll_poll_relation.url_name as relation_url_name, qapoll_poll_relation_subcategory.name as relationsubcatname, users.name as username, qapoll_choice.totalvotes as votes, qapoll_choice.ideavotes as ideavotes,qapoll_choice.relation_id as relation_id, qapoll_choice.commentscount, qapoll_choice.last_status_change, qapoll_choice.last_comment_date, qapoll_choice.last_edit_date FROM to_tsquery('š') as keywordsquery, qapoll_choice LEFT JOIN users ON users.uid = qapoll_choice.userid LEFT JOIN qapoll_poll_category ON qapoll_choice.categoryid = qapoll_poll_category.id LEFT JOIN qapoll_poll_relation ON qapoll_choice.relation_id = qapoll_poll_relation.id LEFT JOIN qapoll_poll_relation_subcategory ON qapoll_choice.relation_subcategory_id = qapoll_poll_relation_subcategory.id WHERE qapoll_choice.pollid='1' AND totalsearchable_index_col @@ keywordsquery AND qapoll_choice.status != '-2' AND qapoll_choice.status != 2 AND qapoll_choice.status != 3 AND qapoll_choice.status != 5 AND qapoll_choice.status != 4 AND qapoll_choice.status != 7 AND qapoll_choice.status != 8 AND qapoll_choice.choicetype != 0 AND ( ( qapoll_choice.bugid IS NOT NULL OR qapoll_choice.specid IS NOT NULL OR qapoll_choice.forumid IS NOT NULL ) OR (qapoll_choice.bugid IS NULL AND qapoll_choice.specid IS NULL AND qapoll_choice.forumid IS NULL ) ) AND qapoll_choice.duplicatenumber = '-1' ORDER BY votes DESC LIMIT 20 OFFSET 0 in /var/branches/release-0.9-drupal6/modules/ideatorrent/ideatorrent.function.php on line 38.
* warning: pg_query() [function.pg-query]: Query failed: ERROR: syntax error in tsquery: "š" in /var/www/includes/database.pgsql.inc on line 139.
* user warning: query: SELECT COUNT(*) FROM to_tsquery('š') as keywordsquery, qapoll_choice WHERE qapoll_choice.pollid='1' AND totalsearchable_index_col @@ keywordsquery AND qapoll_choice.status != '-2' AND qapoll_choice.status != 2 AND qapoll_choice.status != 3 AND qapoll_choice.status != 5 AND qapoll_choice.status != 4 AND qapoll_choice.status != 7 AND qapoll_choice.status != 8 AND qapoll_choice.choicetype != 0 AND ( ( qapoll_choice.bugid IS NOT NULL OR qapoll_choice.specid IS NOT NULL OR qapoll_choice.forumid IS NOT NULL ) OR (qapoll_choice.bugid IS NULL AND qapoll_choice.specid IS NULL AND qapoll_choice.forumid IS NULL ) ) AND qapoll_choice.duplicatenumber = '-1' in /var/branches/release-0.9-drupal6/modules/ideatorrent/ideatorrent.function.php on line 38.