Question

我们的搜索速度很慢。我们无法在视图上定义索引..请帮助我们如何改进这个..下面的查询花了33.3993秒。

SELECT 
     `v_cat_pro`.`product_id`, `v_cat_pro`.`msrp`, 
FROM 
     `v_prod_cat` AS `v_cat_pro`
WHERE 
     (product_status="1" and msrp >0 AND (search_text = 'de') )
ORDER BY 
     `msrp` ASC LIMIT 50

解释查询结果

id  select_type     table   type    possible_keys   key     key_len     ref     rows    Extra
1   SIMPLE  cat_product     index   catproducts_product_id,category_product_index   category_product_index  8   NULL    941343  Using index; Using temporary; Using filesort
1   SIMPLE  dept    eq_ref  PRIMARY     PRIMARY     4   newdhf.cat_product.category_id  1   Using where
1   SIMPLE  team    eq_ref  PRIMARY     PRIMARY     4   newdhf.dept.parent_id   1   Using where
1   SIMPLE  league  eq_ref  PRIMARY     PRIMARY     4   newdhf.team.parent_id   1   Using where
1   SIMPLE  product     eq_ref  PRIMARY     PRIMARY     4   newdhf.cat_product.product_id   1   Using where

CREATE 算法=未定义的视图v_prod_cat AS 选择 dept。id AS dept_id，team。short_name AS shortteamname，team。url AS {{ 1}}，team_url。team AS id，team_id。league AS id，league_id。{{1} } AS product，product_id。product_id AS product，product_status。product_status AS product，upload_image_l。 upload_image_l AS dept，name。department AS team，name。team AS league，{{ 1}}。name AS league，product。title AS title，cat_product。product_url AS {{1} }，product_url。product AS discount，discount。product AS discount_start_date，discount_start_date。product AS discount_end_date，discount_end_date。product AS extra_discount，extra_discount。product AS extra_discount_start_date，extra_discount_start_date。{{ 1}} AS product，extra_discount_end_date。extra_discount_end_date AS product，global_alt_tag。global_alt_tag AS product，{{1} }。msrp AS msrp，if（（product。cost＆gt; 0），1,0）AS cost，

concat（product。vendor_id，_ utf8''，vendor_id。cat_product，_ utf8''，is_default。is_default，_ utf8 ''，替换（替换（替换（替换（league。name，'$ leaguename'，team。name），'$ teamname'，{{1} }。dept），'$ shortteamname'，name。product），'$ departmentname'，title。league），''，{{ 1}}。name，_ utf8''，替换（替换（替换（替换（team。name，'$ leaguename'，team。short_name ）， '$ teamname'，dept。name）， '$ shortteamname'，product。sku_code）， '$ DepartmentName的'，product。{ {1}}））AS site_search_keyword

这（（（league name加入team name on（（{team。short_name = dept。{{1 }}和（name。search_text = _utf8'team'））））加入categories dept on（（categories。{{1} } = team。team）和（id。dept = _utf8'league'））））加入parent_id team（（） category_type。categories = league。league）））加入id team on（parent_id。{{1} } = league。category_type）））其中（category_products。cat_product = _utf8'department'）订购 cat_product。category_id desc;

Answer 1

如果您为＆＃39; v_prod_cat＆＃39;添加索引。您正在搜索的列上的表格，这将有助于加快您的观看速度。

mysql查询视图搜索速度慢

1 个答案: