Php 条令查询运行缓慢为什么?
有人能帮我吗 我正在使用条令运行查询 我为必要的表编制了索引和foriegnkey参考 这是我的问题Php 条令查询运行缓慢为什么?,php,mysql,doctrine,Php,Mysql,Doctrine,有人能帮我吗 我正在使用条令运行查询 我为必要的表编制了索引和foriegnkey参考 这是我的问题 echo "step1";echo date('h:i:s A');echo "<br/>"; $query = new Doctrine_Query(); $whereCond =''; $where='eng.id='.$campid; $select=''; $search = '';
echo "step1";echo date('h:i:s A');echo "<br/>";
$query = new Doctrine_Query();
$whereCond ='';
$where='eng.id='.$campid;
$select='';
$search = '';
/*if($queryv!=''){
$where .= " AND c.".$quickSearchType." LIKE '%".$queryv."%' ";
}*/
if($letterPressed == 'All')
{
$where .="";
}
else if($letterPressed == 'Radian6')
{
$where .=" AND c.news_type = 1";
}
else if($letterPressed == 'Google News')
{
$where .=" AND c.news_type = 3";
}
else if($letterPressed == 'Google Blogs')
{
$where .=" AND c.news_type = 4";
}
else if($letterPressed == 'RSS Feeds')
{
$where .=" AND (c.news_type = 5 or c.news_type = 6)";
}
else if($letterPressed == 'Hide Twitter')
{
$where .=" AND c.url NOT LIKE '%twitter.com%'";
}
else if($letterPressed == 'Hide Facebook')
{
$where .=" AND c.url NOT LIKE '%facebook.com%'";
}
else if($letterPressed == 'Hide Facebook-twitter')
{
$where .=" AND (c.url NOT LIKE '%twitter.com%' AND c.url NOT LIKE '%facebook.com%')";
}
else if($letterPressed == 'Show Twitter')
{
$where .=" AND c.url LIKE '%twitter.com%'";
}
else if($letterPressed == 'Show Facebook')
{
$where .=" AND c.url LIKE '%facebook.com%'";
}
else if($letterPressed == 'show Facebook-twitter')
{
$where .=" AND (c.url LIKE '%twitter.com%' OR c.url LIKE '%facebook.com%')";
}
if($queryv!='' && $quickSearchType == 'title' && (trim($letterPressed) != 'Law' && trim($letterPressed) != 'LS Translate') ){
$search = ' LOWER(c.title) LIKE "%'.mysql_real_escape_string($queryv).'%" ';
//$search = ' LOWER(c.title) LIKE ?';
}
if($queryv!='' && $quickSearchType == 'domain')
{
$search = ' LOWER(c.domain) LIKE "%'.mysql_real_escape_string($queryv).'%" ';
//$search = ' LOWER(c.domain) LIKE ?';
}
echo "step2";echo date('h:i:s A');echo "<br/>";
$select='c.id, c.campaign_id, c.title as title, c.domain, c.news_type,c.url, c.active, c.article_date, c.created_date, c.modified_date, t.language_id, t.tr_translated_date, t.tr_translated_by, t.translation_state, t.tr_title, t.raw_title';
if(trim($letterPressed) == 'Original')
{
$select='c.id, c.campaign_id, c.title as title, c.domain, c.news_type,c.url, c.active, c.article_date, c.created_date, c.modified_date, t.language_id, t.tr_translated_date, t.tr_translated_by, t.translation_state';
}
if(trim($letterPressed) == 'Law')
{
$select='c.id, c.campaign_id, c.domain, c.news_type,c.url, c.active,c.article_date, c.created_date, c.modified_date, t.raw_title as title, t.language_id, t.tr_translated_date, t.tr_translated_by, t.translation_state';
if($queryv!='' && $quickSearchType == 'title'){
$search = ' LOWER(t.raw_title) LIKE "%'.mysql_real_escape_string($queryv).'%"';
//$search = ' LOWER(t.raw_title) LIKE ?';
}
}
if(trim($letterPressed) == 'LS Translate')
{
$select='c.id, c.campaign_id, c.domain, c.news_type,c.url, c.active, c.article_date, c.created_date, c.modified_date, t.tr_title as title, t.language_id, t.tr_translated_date, t.tr_translated_by, t.translation_state';
$where .=" AND t.translation_state = 1";
if($queryv!='' && $quickSearchType == 'title'){
$search = ' LOWER(t.tr_title) LIKE "%'.mysql_real_escape_string($queryv).'%" ';
//$search = ' LOWER(t.tr_title) LIKE ?';
}
}
$whereCond.=$where;
// , array("%".mysql_real_escape_string($queryv)."%")
echo "step3";echo date('h:i:s A');echo "<br/>";
$query->select($select)
->from('News c')
->where($whereCond)
->addWhere('eng.tr_language_id=t.language_id')
->andWhere('c.created_date >= DATE_SUB(CURDATE(),INTERVAL 90 DAY)' );
if(!empty($search))
$query->andWhere($search);
$query->leftJoin('c.TranslatedNews t on t.news_id = c.id')
->leftJoin('c.Campaigns eng on eng.id = c.campaign_id')
->orderBy('c.'.$sortName. ' ' . $sortOrder)
->groupBy('c.title')
->addGroupBy('c.url')
->limit(10);
echo "step4";echo date('h:i:s A');echo "<br/>";
//echo $query->getSqlQuery();exit;
$result = $query->execute(array(),Doctrine::HYDRATE_ARRAY);
echo "step5";echo date('h:i:s A');echo "<br/>";exit;
return $result;
echo“step1”;回音日期('h:i:SA');回声“
”;
$query=新原则_query();
$whereCond='';
$where='eng.id='。$campid;
$select='';
$search='';
/*如果($queryv!=''){
$where.=”和c.“$quickSearchType.”类似“%”“%$queryv.”%”;
}*/
如果($letterPressed=='All')
{
$where.=”;
}
如果($letterPressed=='Radian6')
{
$where.=“和c.news_type=1”;
}
如果($letterPressed=='googlenews')
{
$where.=“和c.news_type=3”;
}
如果($letterPressed=='googleblogs')
{
$where.=“和c.news_type=4”;
}
如果($letterPressed=='RSS提要')
{
$where.=“AND(c.news_type=5或c.news_type=6)”;
}
如果($letterPressed=='Hide Twitter')
{
$where.=“和c.url与“%twitter.com%”不同;
}
如果($letterPressed=='Hide Facebook')
{
$where.=“和c.url不象“%facebook.com%”;
}
否则如果($letterPressed=='Hide Facebook twitter')
{
$where.=“和(c.url不象'%twitter.com%'和c.url不象'%facebook.com%'”;
}
如果($letterPressed=='Show Twitter')
{
$where.=“和类似“%twitter.com%”的c.url;
}
否则,如果($letterPressed=='Show Facebook')
{
$where.=“和类似于“%facebook.com%”的c.url”;
}
如果($letterPressed=='show Facebook twitter')
{
$where.=“和(类似于“%twitter.com%”的c.url或类似于“%facebook.com%”的c.url)”;
}
如果($queryv!=''&&$quickSearchType=='title'&&($letterPressed)!='Law'&&trim($letterPressed)!='LS Translate')){
$search='较低的(c.title),如“%”。mysql_real_escape_string($queryv)。“%”;
//$search='较低的(c.title)像?';
}
如果($queryv!=''&&$quickSearchType=='domain')
{
$search='较低的(c.domain)如“%”。mysql_real_escape_string($queryv)。“%”;
//$search='LOWER(c.domain)LIKE';
}
回应“第二步”;回音日期('h:i:SA');回声“
”;
$select='c.id,c.campaign\u id,c.title as title,c.domain,c.news\u type,c.url,c.active,c.article\u date,c.created\u date,c.modified\u date,t.language\u id,t.tru translated\u date,t.tru translation\u state,t.tru title,t.raw\u title';
如果(修剪($letterPressed)=‘原始’)
{
$select='c.id,c.campaign\u id,c.title as title,c.domain,c.news\u type,c.url,c.active,c.article\u date,c.created\u date,c.modified\u date,t.language\u id,t.tru translated\u date,t.tr\u translated\u by,t.translation\u state';
}
如果(修剪($letterPressed)=“法律”)
{
$select='c.id、c.campaign\U id、c.domain、c.news\U type、c.url、c.active、c.article\U date、c.created\U date、c.modified\U date、t.raw\U title as title、t.language\U id、t.tr\U translated\U date、t.tr\U translated\U by、t.translation\U state';
如果($queryv!=''&&$quickSearchType=='title'){
$search='较低的(t.raw_title),如“%.”mysql_real_escape_string($queryv)。“%”;
//$search='较低的(t.raw_title)像?';
}
}
如果(修剪($letterPressed)='LS Translate')
{
$select='c.id,c.campaign,c.domain,c.news,c.url,c.active,c.article,c.created,c.modified,t.tru title as title,t.language,t.tru translated,t.tru translated,t.tru translated,t;
$where.=“和t.translation_state=1”;
如果($queryv!=''&&$quickSearchType=='title'){
$search='较低的(t.tr_title),如“%”。mysql_real_escape_string($queryv)。“%”;
//$search='较低的(t.tru标题)如?';
}
}
$whereCond.=$where;
//,数组(“%”.mysql\u real\u escape\u字符串($queryv)。“%”)
回应“第三步”;回音日期('h:i:SA');回声“
”;
$query->select($select)
->来自('News c')
->where($whereCond)
->addWhere('eng.tr\u language\u id=t.language\u id')
->其中('c.created_date>=date_SUB(CURDATE(),间隔90天)');
如果(!空($search))
$query->andWhere($search);
$query->leftJoin('c.TranslatedNews t on t.news\u id=c.id')
->leftJoin('c.Campaigns eng on eng.id=c.campaign_id')
->订购人('c..$sortName.'.$sortOrder)
->groupBy('c.title')
->addGroupBy('c.url')
->限额(10);
回应“步骤4”;回音日期('h:i:SA');回声“
”;
//echo$query->getSqlQuery();出口
$result=$query->execute(数组(),条令::水合物数组);
回应“第五步”;回音日期('h:i:SA');回声“
”;出口
返回$result;
执行查询需要8秒。
如何使此查询快速运行
提前感谢,因为
像
一样,当表格增长时速度很慢
您应该实现全文
搜索
所以你可以
WHERE MATCH(fields) AGAINST('your search')
当您将通配符book ends放在%search term%上时,LIKE比较实际上是一个“包含子字符串”搜索。排序索引的典型优点在这样的搜索中不可用(因为通配符表示忽略值开头的字符);因此,必须检查表中的每个值(在相关列中)是否包含子字符串 如果您搜索了姓氏为“%els%”的电话簿,则必须检查每个姓氏,而如果您搜索了姓氏为“Nels%”的电话簿,则可以搜索-N-names o