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Adding support for forum documental searches. Disabled by default.

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Only MySQL supported. Experimental under 1.8! MDL-8830

Merged from MOODLE_18_STABLE
This commit is contained in:
stronk7 2007-03-09 18:29:32 +00:00
parent b2964e45d9
commit 532daab479
1 changed files with 15 additions and 3 deletions
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18
mod/forum/lib.php
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@ -1377,9 +1377,21 @@ function forum_search_posts($searchterms, $courseid=0, $limitfrom=0, $limitnum=5
if ($lexer->parse($searchstring)) {
$parsearray = $parser->get_parsed_array();
$messagesearch = search_generate_SQL($parsearray, 'p.message', 'p.subject',
'p.userid', 'u.id', 'u.firstname',
'u.lastname', 'p.modified', 'd.forum');
/// Experimental feature under 1.8! MDL-8830
/// Use alternative text searches if defined
/// This feature only works under mysql until properly implemented for other DBs
/// Requires manual creation of text index for forum_posts before enabling it:
/// CREATE FULLTEXT INDEX foru_post_tix ON [prefix]forum_posts (subject, message)
/// Experimental feature under 1.8! MDL-8830
if (!empty($CFG->forum_usetextsearches)) {
$messagesearch = search_generate_text_SQL($parsearray, 'p.message', 'p.subject',
'p.userid', 'u.id', 'u.firstname',
'u.lastname', 'p.modified', 'd.forum');
} else {
$messagesearch = search_generate_SQL($parsearray, 'p.message', 'p.subject',
'p.userid', 'u.id', 'u.firstname',
'u.lastname', 'p.modified', 'd.forum');
}
}
$fromsql = "{$CFG->prefix}forum_posts p,