MySQL错误，原因未知

我已经读了这个问题大约20分钟了，我看不出有什么问题

SELECT   SQL_CALC_FOUND_ROWS addressbook_people.first_name,
         addressbook_people.last_name                     ,
         addressbook_people.preferred_name                ,
         addressbook_companies3.name                      ,
         addressbook_people.url                           ,
         addressbook_groups5.name                         ,
         addressbook_people.telephone1                    ,
         addressbook_people.telephone2                    ,
         addressbook_people.telephone3                    ,
         addressbook_people.email1                        ,
         addressbook_people.email2                        ,
         addressbook_people.fax1                          ,
         addressbook_people.fax2                          ,
         root_countries13.name                            ,
         root_territories14.name                          ,
         root_cities15.name                               ,
         addressbook_people.address1                      ,
         addressbook_people.zip_postal1                   ,
         addressbook_people.po_box                        ,
         root_countries19.name                            ,
         root_territories20.name                          ,
         root_cities21.name                               ,
         addressbook_people.address2                      ,
         addressbook_people.zip_postal2
FROM     addressbook_people
WHERE    (
                  (
                           addressbook_people.first_name     LIKE '%a%'
                  OR       addressbook_people.last_name      LIKE '%a%'
                  OR       addressbook_people.preferred_name LIKE '%a%'
                  OR       addressbook_companies3.name       LIKE '%a%'
                  OR       addressbook_people.url            LIKE '%a%'
                  OR       addressbook_groups5.name          LIKE '%a%'
                  OR       addressbook_people.telephone1     LIKE '%a%'
                  OR       addressbook_people.telephone2     LIKE '%a%'
                  OR       addressbook_people.telephone3     LIKE '%a%'
                  OR       addressbook_people.email1         LIKE '%a%'
                  OR       addressbook_people.email2         LIKE '%a%'
                  OR       addressbook_people.fax1           LIKE '%a%'
                  OR       addressbook_people.fax2           LIKE '%a%'
                  OR       root_countries13.name             LIKE '%a%'
                  OR       root_territories14.name           LIKE '%a%'
                  OR       root_cities15.name                LIKE '%a%'
                  OR       addressbook_people.address1       LIKE '%a%'
                  OR       addressbook_people.zip_postal1    LIKE '%a%'
                  OR       addressbook_people.po_box         LIKE '%a%'
                  OR       root_countries19.name             LIKE '%a%'
                  OR       root_territories20.name           LIKE '%a%'
                  OR       root_cities21.name                LIKE '%a%'
                  OR       addressbook_people.address2       LIKE '%a%'
                  OR       addressbook_people.zip_postal2    LIKE '%a%'
                  )
         )
         LEFT JOIN addressbook_companies AS addressbook_companies3
         ON       addressbook_people.company_id = addressbook_companies3.id
         LEFT JOIN addressbook_groups AS addressbook_groups5
         ON       addressbook_people.group_id = addressbook_groups5.id
         LEFT JOIN root_countries AS root_countries13
         ON       addressbook_people.country1 = root_countries13.id
         LEFT JOIN root_territories AS root_territories14
         ON       addressbook_people.territory1 = root_territories14.id
         LEFT JOIN root_cities AS root_cities15
         ON       addressbook_people.city1 = root_cities15.id
         LEFT JOIN root_countries AS root_countries19
         ON       addressbook_people.country2 = root_countries19.id
         LEFT JOIN root_territories AS root_territories20
         ON       addressbook_people.territory2 = root_territories20.id
         LEFT JOIN root_cities AS root_cities21
         ON       addressbook_people.city2 = root_cities21.id
ORDER BY LTRIM(addressbook_people.url)DESC
LIMIT    0, 10

这是数据表过滤器的输出。所以忽略这个事实，我正在寻找像‘a’

我使用PHPMyAdmin，当通过Web管理控制台在查询中执行SQL时，我收到以下错误

1064-您的SQL语法有错误；检查手册 对应于您的MySQL服务器版本，以便使用正确的语法 在“左侧”附近，加入通讯簿公司，作为3上的通讯簿公司 第54行的地址

---

我已经检查了线路，这是我连接的开始。我看没什么问题。。有人能帮忙吗？我从来都不擅长SQL。

您需要在

WHERE

子句之前执行

JOIN

s，在web管理控制台中查询长度可能没有限制，是吗？这是一个相当长的查询。我想看看这个查询需要在有1.000.000行的表上执行多长时间，这并不算多：）实际上并没有那么糟糕。现在我有6000行，它在几分之一秒内执行。这是ajax结果过滤的一部分。我看到了很少的延迟，所以很短，我还没有实际测试它。还应该提到的是，这只是为了支持10000-20000行而开发的，而不是假设您只为固定数量的项目开发。你永远不知道这个代码将来会被广泛使用。@Hughes，是的，我在发布后就注意到了我的错误。只是想澄清一下：WHERE在连接之后，而不是之前。是的！我不知道！每天学习新的东西！现在很有魅力。谢谢