如何提高Zend_Search_Lucene查询的性能？

Question

如何改进查询，如下所示？

我的索引已完全优化，除了item_id是关键字字段外，所有字段均未存储。

问题出在“if（$ auth）{”部分。如果删除此部分，搜索时间总是在1秒以内，但是当搜索时间添加此部分时，时间为5秒或更长。显然这是一个更复杂的查询，但我不能没有它。我需要该部分的逻辑来获取用户有权查看的搜索结果。我知道搜索工作本身就是放缓，因为如果我删除了“if（$ authQuery）{$ query-> addSubquery（$ authQuery，true）;}”这一行，搜索速度相当快。

我想在基本上实现以下逻辑：“如果（$ AUTH）{”部分：

Lucene的领域gi_aro，gc_aro，i_access和c_access都包括什么比一个整数每个

更多

if ((array_in({gi_aro}, $gmid) OR {i_access} <= $gid) 
    AND (array_in({gc_aro}, $gmid) {OR c_access} <= $gid)) { 
    include in search results 
} 

{} = Lucene的领域

// keywords query 
$keywords = explode(' ', $keyword); 

$keywordQuery = new Zend_Search_Lucene_Search_Query_Multiterm(); 
foreach ($keywords as $term) { 
    $keywordQuery->addTerm(new Zend_Search_Lucene_Index_Term($term, 'content')); 
    $keywordQuery->addTerm(new Zend_Search_Lucene_Index_Term($term, 'search_display_name')); 
} 

// topcat query 
if (!empty($topcat)) { 
    $term = new Zend_Search_Lucene_Index_Term($topcat, 'topcats'); 
    $topcatQuery = new Zend_Search_Lucene_Search_Query_Term($term); 
} 

// cat query 
if (!empty($cat)) { 
    $term = new Zend_Search_Lucene_Index_Term($cat, 'cats'); 
    $catQuery = new Zend_Search_Lucene_Search_Query_Term($term); 
} 

// only authorized items query 
if ($auth) { 
    $user = JFactory::getUser(); 
    $gid = (int)$user->get('aid'); 
    $gmid = explode(',', $user->gmid); 

    // flexicontent cat auth 
    $gcQuery = new Zend_Search_Lucene_Search_Query_MultiTerm(); 
    foreach ($gmid as $g) { 
    $gcQuery->addTerm(new Zend_Search_Lucene_Index_Term($g, 'gc_aro')); 
    } 

    // stock joomla cat auth 
    $lowCAccessTerm = new Zend_Search_Lucene_Index_Term(0, 'c_access'); 
    $highCAccessTerm = new Zend_Search_Lucene_Index_Term($gid, 'c_access'); 
    $cAccessQuery = new Zend_Search_Lucene_Search_Query_Range($lowCAccessTerm, $highCAccessTerm, true); 

    // ORed flexicontent cat auth & stock joomla cat auth 
    $catAuthQuery = new Zend_Search_Lucene_Search_Query_Boolean(); 
    $catAuthQuery->addSubquery($gcQuery); 
    $catAuthQuery->addSubquery($cAccessQuery); 

    // flexicontent itm auth 
    $giQuery = new Zend_Search_Lucene_Search_Query_MultiTerm(); 
    foreach ($gmid as $g) { 
    $giQuery->addTerm(new Zend_Search_Lucene_Index_Term($g, 'gi_aro')); 
    } 

    // stock joomla itm auth 
    $lowIAccessTerm = new Zend_Search_Lucene_Index_Term(0, 'i_access'); 
    $highIAccessTerm = new Zend_Search_Lucene_Index_Term($gid, 'i_access'); 
    $iAccessQuery = new Zend_Search_Lucene_Search_Query_Range($lowIAccessTerm, $highIAccessTerm, true); 

    // ORed flexicontent itm auth & stock joomla itm auth 
    $itmAuthQuery = new Zend_Search_Lucene_Search_Query_Boolean(); 
    $itmAuthQuery->addSubquery($giQuery); 
    $itmAuthQuery->addSubquery($iAccessQuery); 

    // ANDed itmAuthQuery & catAuthQuery 
    $authQuery = new Zend_Search_Lucene_Search_Query_Boolean(); 
    $authQuery->addSubquery($catAuthQuery, true); 
    $authQuery->addSubquery($itmAuthQuery, true); 
} 

// composite query 
$query = new Zend_Search_Lucene_Search_Query_Boolean(); 
$query->addSubquery($keywordQuery, true); 
// if cat query is set we don't need topcat to restrict result set 
if ($catQuery) { 
    $query->addSubquery($catQuery, true); 
} elseif ($topcatQuery) { 
    $query->addSubquery($topcatQuery, true); 
} 
if ($authQuery) { $query->addSubquery($authQuery, true); } 

// search 
$execTime = new JProfiler(); 
$this->hits = $index->find($query); 
echo $execTime->mark('executed'); 

Answer 1

约仅检查结果而不是索引里面有什么？将某种键保存到索引（db主键，guid，几乎任何东西）。然后获取结果并删除用户不允许看到的结果。

$allowedArray = $acl->getAllowedIds(); 
// check happens when echoing the content to prevent double cycling (filtering and echoing in view) 
foreach ($result as $item) { 
    if (in_array($item->keyVaue, $allowedArray)) { 
     //echo 
    } 
} 

编辑：注意这取决于大多数查询的结果。如果在定期查询中有说的< 50，那么在PHP中执行就可以了。但是，如果常见的查询返回10,000结果，它可能不是一个好主意;）