我有以下表格。
入口表描述
+-------------+-------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------------+-------------------+------+-----+---------+----------------+
| id | int(11) unsigned | NO | PRI | NULL | auto_increment |
| title | varchar(255) | YES | | NULL | |
| slug | varchar(255) | YES | | NULL | |
| description | text | YES | | NULL | |
| user_id | int(10) unsigned | NO | | NULL | |
| unsafe | enum('0','1') | NO | | NULL | |
| copyright | enum('0','1') | NO | | 0 | |
| status | enum('0','1','2') | NO | | 0 | |
| date_add | datetime | NO | | NULL | |
+-------------+-------------------+------+-----+---------+----------------+
标签表描述
+-------------+---------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------------+---------------------+------+-----+---------+----------------+
| id | bigint(20) unsigned | NO | PRI | NULL | auto_increment |
| relation_id | int(10) unsigned | NO | | NULL | |
| name | varchar(255) | NO | | NULL | |
+-------------+---------------------+------+-----+---------+----------------+
我想在 entry.title 和 tag.name 中搜索。这个查询的性能如何。
我继续使用全文。你好吗？
最佳答案
首先，您需要确保标题和名称字段都已编入索引(无法通过您发送的信息看到这一点。我假设 tag.relation_id 与 entry.id 相关。所以您可以这样搜索:
SELECT * FROM entry as e JOIN tags as t on e.id = t.relation_id WHERE e.title LIKE('%YOURSEARCH%') OR t.name LIKE('%YOURSEARCH%')
关于mysql搜索标题、描述和多行标签，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/11674232/