Update sphinx_min_max_matches in scheduler

Fixes #1

classes/config.template

 define('SPHINXQL_HOST',      '127.0.0.1');
 define('SPHINXQL_PORT',      9306);
 define('SPHINXQL_SOCK',      false);
-define('SPHINX_MAX_MATCHES', 1000); // Must be <= the server's max_matches variable (default 1000)
 define('SPHINX_MIN_MAX_MATCHES', 2000); // Exclusively for fixing total number of default search results. Raise as necessary
 define('SPHINX_INDEX',       'torrents');
 

classes/torrentsearch.class.php

         ->order_by(self::$SortOrders[$OrderBy], $OrderWay);
     }
     $Offset = ($this->Page - 1) * $ResultLimit;
-    $MaxMatches = max($Offset + $ResultLimit, SPHINX_MIN_MAX_MATCHES);
+    $MinMax = G::$Cache->get_value('sphinx_min_max_matches');
+    $MaxMatches = max($Offset + $ResultLimit, $MinMax ? $MinMax : 2000);
     $this->SphQL->from('torrents, delta')
       ->limit($Offset, $ResultLimit, $MaxMatches);
   }

sections/schedule/hourly/sphinx_min_max_matches.php

+<?
+$SphQL = new SphinxqlQuery();
+$SphQL->where_match('_all', 'fake', false);
+$SphQL->select('id')->from('torrents, delta')->limit(0,0,10000);
+$TTorrents = $SphQL->query()->get_meta('total_found');
+
+$SphQL->select('groupid')->group_by('groupid')$SphQL->from('torrents, delta')->limit(0,0,10000);
+$TGroups = $SphQL->query()->get_meta('total_found');
+
+$Cache->cache_value('sphinx_min_max_matches', 2*($TTorrents-$TGroups));
+?>