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-rw-r--r--classes/SearchEngines.php57
1 files changed, 44 insertions, 13 deletions
diff --git a/classes/SearchEngines.php b/classes/SearchEngines.php
index 253e0028b..96fd7da90 100644
--- a/classes/SearchEngines.php
+++ b/classes/SearchEngines.php
@@ -20,54 +20,85 @@
if (!defined('LACONICA')) { exit(1); }
class SearchEngine {
- protected $profile;
+ protected $target;
protected $table;
- function __construct($profile, $table) {
- $this->profile = $profile;
+ function __construct($target, $table) {
+ $this->target = $target;
$this->table = $table;
}
function query($q) {
}
- function limit($offset, $count) {
- return $this->profile->limit($offset, $count);
+ function limit($offset, $count, $rss = false) {
+ return $this->target->limit($offset, $count);
+ }
+
+ function set_sort_mode($mode) {
+ if ('chron' === $mode)
+ return $this->target->orderBy('created desc');
}
}
class SphinxSearch extends SearchEngine {
private $sphinx;
- function __construct($profile, $table) {
- parent::__construct($profile, $table);
+ function __construct($target, $table) {
+ parent::__construct($target, $table);
$this->sphinx = new SphinxClient;
$this->sphinx->setServer(common_config('sphinx', 'server'), common_config('sphinx', 'port'));
}
- function limit($offset, $count) {
- $this->sphinx->setLimits($offset, $count);
- $this->profile->limit($offset, $count);
+ function limit($offset, $count, $rss = false) {
+ //FIXME without LARGEST_POSSIBLE, the most recent results aren't returned
+ // this probably has a large impact on performance
+ $LARGEST_POSSIBLE = 1e6;
+
+ if ($rss) {
+ $this->sphinx->setLimits($offset, $count, $count, $LARGEST_POSSIBLE);
+ }
+ else {
+ // return at most 50 pages of results
+ $this->sphinx->setLimits($offset, $count, 50 * ($count - 1), $LARGEST_POSSIBLE);
+ }
+
+ return $this->target->limit(0, $count);
}
function query($q) {
$result = $this->sphinx->query($q, $this->table);
if (!isset($result['matches'])) return false;
$id_set = join(', ', array_keys($result['matches']));
- return $this->profile->whereAdd("id in ($id_set)");
+ $this->target->whereAdd("id in ($id_set)");
+ return true;
}
+
+ function set_sort_mode($mode) {
+ if ('chron' === $mode) {
+ $this->sphinx->SetSortMode(SPH_SORT_ATTR_DESC, 'created_ts');
+ return $this->target->orderBy('created desc');
+ }
+ }
}
class MySQLSearch extends SearchEngine {
function query($q) {
- return $this->profile->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
+ if ('identica_people' === $this->table)
+ return $this->target->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
+ 'against (\''.addslashes($q).'\')');
+ if ('identica_notices' === $this->table)
+ return $this->target->whereAdd('MATCH(content) ' .
'against (\''.addslashes($q).'\')');
}
}
class PGSearch extends SearchEngine {
function query($q) {
- $this->profile->whereAdd('textsearch @@ plainto_tsquery(\''.addslashes($q).'\')');
+ if ('identica_people' === $this->table)
+ return $this->target->whereAdd('textsearch @@ plainto_tsquery(\''.addslashes($q).'\')');
+ if ('identica_notices' === $this->table)
+ return $this->target->whereAdd('to_tsvector(\'english\', content) @@ plainto_tsquery(\''.addslashes($q).'\')');
}
}