Question

我需要帮助使用LIKE和NOT LIKE ...我有一个查询，我根据我的请求变量来自另一个服务器传递WHERE子句。其中一个查询如下：

    'CONNECT' =>
    "( detail_head.comment LIKE '%port%'
      or detail_head.comment LIKE '%forward%'
      or detail_head.comment LIKE '%connect%'
      or detail_head.comment LIKE '%router%'
      or detail_head.comment LIKE '%fire%wall%'
      or detail_head.comment LIKE '%sonic%'
      ) AND (
      detail_head.comment NOT LIKE '%report%'
      OR detail_head.comment NOT LIKE '%portal%'
      )",

你可以看到我正在使用LIKE而不是喜欢。遗憾的是，这并不像我希望的那样。我猜这是因为我要求PORT，而不是REPORT，所以无论如何它给了我LIKE。

我想知道在这样的情况下我应该做些什么。我正在考虑制作另一个我将用作“排除列表”的查询或数组。如果查询是LIKE语句，我可以在我的WHERE子句中使用'table_uid NOT IN（COMMA SEPARATED UID列表）'。

我有我想要排除的LIKE语句：

$exclude_where_clauses = array(
        'CC'            => "(detail_head.comment LIKE '%ccb%') ",
        'CONNECT'       => "(detail_head.comment LIKE '%report%' OR detail_head.comment LIKE '%portal%') ",
        'EO'            => "(detail_head.comment LIKE '%OCU%' AND detail_head.comment LIKE '%KS%' AND detail_head.comment LIKE '%screen%' AND detail_head.comment LIKE '%term%') ",
        'INVENTORY'     => "(detail_head.comment LIKE '%discount%') ",
        'KS'            => "(detail_head.comment LIKE '%panel%' or detail_head.comment LIKE '%PMIX%' or detail_head.comment LIKE '%pmix%') ",
        'OCUS'          => "(detail_head.comment LIKE '%document%') ",
        'SALES'         => "(detail_head.comment LIKE '%point%') ",
        'SECURITY'      => "(detail_head.comment LIKE '%km%') ",
        'TERMS'         => "(detail_head.comment LIKE '%forward%' or detail_head.comment LIKE '%sales%' or detail_head.comment LIKE '%intermittent%' or detail_head.comment LIKE '%print%' or detail_head.comment LIKE '%de%min%' or detail_head.comment LIKE '%reciept%' or detail_head.comment LIKE '%time%') ",
);

所以，最后，我想将我当前的查询数组转换成"(detail_head.comment LIKE '%port%' or detail_head.comment LIKE '%forward%' or detail_head.comment LIKE '%connect%' or detail_head.comment LIKE '%router%' or detail_head.comment LIKE '%fire%wall%' or detail_head.comment LIKE '%sonic%') AND table_uid NOT IN(LIST OF COMMA SEPARATED UIDs) "

Answer 1

试试这个：

'CONNECT' => "
    (  detail_head.comment LIKE '%port%'
    OR detail_head.comment LIKE '%forward%'
    OR detail_head.comment LIKE '%connect%'
    OR detail_head.comment LIKE '%router%'
    OR detail_head.comment LIKE '%fire%wall%'
    OR detail_head.comment LIKE '%sonic%'
    )
    AND NOT (
           detail_head.comment LIKE '%ccb%'
        OR detail_head.comment LIKE '%report%' 
        OR detail_head.comment LIKE '%portal%'
        OR detail_head.comment LIKE '%OCU%'
        OR detail_head.comment LIKE '%KS%'
        OR detail_head.comment LIKE '%screen%'
        OR detail_head.comment LIKE '%term%'
        OR detail_head.comment LIKE '%discount%'
        OR detail_head.comment LIKE '%panel%'
        OR detail_head.comment LIKE '%PMIX%'
        OR detail_head.comment LIKE '%pmix%'
        OR detail_head.comment LIKE '%document%'
        OR detail_head.comment LIKE '%point%'
        OR detail_head.comment LIKE '%km%'
        OR detail_head.comment LIKE '%forward%'
        OR detail_head.comment LIKE '%sales%'
        OR detail_head.comment LIKE '%intermittent%'
        OR detail_head.comment LIKE '%print%'
        OR detail_head.comment LIKE '%de%min%'
        OR detail_head.comment LIKE '%reciept%'
        OR detail_head.comment LIKE '%time%'
    )
",

Answer 2

我不相信这会更高效（可能确实效率不高），但是，它可能是一种更合理地定义规范的方法 - 使用regexp()中的字边界

返回0：

SELECT 'foo report bar' REGEXP '[[:<:]]port[[:>:]]';

这会返回1：

SELECT 'foo report bar' REGEXP '[[:<:]]report[[:>:]]';

MySQL has more info in the manual。（5.1手动链接）

根据手头任务的性质，以及这将给我的数据库服务器带来多大程度的压力，我可能会考虑添加字段或相关表来帮助我预先进行处理（当我插入时数据）所以我可以以更轻松的方式运行这样的报告 - 而不必在全文字段中进行大量的文本处理。

MySQL和PHP - 使用'LIKE'和'NOT LIKE'

2 个答案: