make meta fields index separated, set search priority by document title

config/sphinx.conf.txt

@@ -33,11 +33,15 @@ source hostPage : common
                 CONCAT(`host`.`scheme`, '://', `host`.`name`, ':', `host`.`port`, `hostPage`.`uri`), \
                 CONCAT(`host`.`scheme`, '://', `host`.`name`, `hostPage`.`uri`))), \
            REGEXP_REPLACE(`hostPage`.`mime`, '^([A-z-]+)/[A-z-]+.*', '$1') AS `mime`, \
-          (SELECT GROUP_CONCAT(CONCAT_WS(' ', `hostPageDescription`.`title`, \
-                                              `hostPageDescription`.`description`, \
-                                              `hostPageDescription`.`keywords`)) \
+          (SELECT GROUP_CONCAT(`hostPageDescription`.`title`) \
            FROM  `hostPageDescription` \
-           WHERE `hostPageDescription`.`hostPageId` = `hostPage`.`hostPageId`) AS `pageDescription` \
+           WHERE `hostPageDescription`.`hostPageId` = `hostPage`.`hostPageId`) AS `title`, \
+          (SELECT GROUP_CONCAT(`hostPageDescription`.`description`) \
+           FROM  `hostPageDescription` \
+           WHERE `hostPageDescription`.`hostPageId` = `hostPage`.`hostPageId`) AS `description`, \
+          (SELECT GROUP_CONCAT(`hostPageDescription`.`keywords`) \
+           FROM  `hostPageDescription` \
+           WHERE `hostPageDescription`.`hostPageId` = `hostPage`.`hostPageId`) AS `keywords` \
     FROM  `hostPage` \
     JOIN  `host` ON (`host`.`hostId` = `hostPage`.`hostId`) \
     WHERE `host`.`status` = '1' AND `hostPage`.`httpCode` = 200 AND `hostPage`.`timeBanned` IS NULL AND `hostPage`.`mime` IS NOT NULL \

library/filter.php

@@ -114,20 +114,17 @@ class Filter {
       $query = str_replace(['-', '_', '/'], ' ', $query);
 
       // Apply query MATCH rules
-      $words = [];
-
-      // URL request
-      if (false !== strpos($query, '\:\ \ ')) {
+      if (false !== strpos($query, '\:\ \ ')) { // URL request
 
         $query = sprintf('"%s"', $crc32query);
 
-      // @TODO Queries longer than 68 chars unreachable in search index
-      } else if (mb_strlen($query) > 68) {
+      } else if (mb_strlen($query) > 68) { // @TODO Queries longer than 68 chars unreachable in search index
 
         $query = sprintf('"%s" | (%s*)', $crc32query, substr($query, 0, 67));
 
-      // Default condition
-      } else {
+      } else { // Default condition
+
+        $words = [];
 
         // Remove single char words
         foreach ((array) explode(' ', $query) as $word) {
@@ -138,14 +135,9 @@ class Filter {
           }
         }
 
-        if ($words) {
-
-          $query = implode(' | ', $words);
-        }
-
-        $query = sprintf('"%s" | "%s" | %s', $query,
+        $query = sprintf('@title %s | "%s" | %s', $query,
                                                   $crc32query,
-                                             $query);
+                                                  implode(' | ', $words));
       }
     }