Home >Backend Development >PHP Tutorial >How to implement case sensitivity in laravel query database?

How to implement case sensitivity in laravel query database?

WBOY
WBOYOriginal
2016-07-06 13:53:052052browse

There is a field in the 'user' table called 'account'. Now we need to use the laravel ORM method to query this field,

For example: There are three pieces of data in the user table. The values ​​of the account field are: abc, AbC, ABC. Now use 'User::where("account","ABC")->get()' to query , these three pieces of data should be obtained, but what I want is to only get the piece of data with the account value ABC. How to achieve this? ? The database is mysql

Reply content:

There is a field in the 'user' table called 'account'. Now we need to use the laravel ORM method to query this field,

For example: There are three pieces of data in the user table. The values ​​of the account field are: abc, AbC, ABC. Now use 'User::where("account","ABC")->get()' to query , these three pieces of data should be obtained, but what I want is to only get the piece of data with the account value ABC. How to achieve this? ? The database is mysql

Add binary to the corresponding fields of the MySQL table
http://cevin.net/archives/ to make mysql queries case-sensitive.html

@cevin is talking about the method of distinguishing and directly using binary types when querying. Personally I don't think it's appropriate. It is especially bad if you do not design constraints when creating a table and force binary comparison when querying. This will cause a lot of judgments in your code and may be bypassed. As for using binary fields directly, mysql will not treat them as characters. I think there may be problems. My solution is given below.

We commonly use table creation statements like this. Its collate has been declared as ci (case insensitive)

<code>  `account` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL</code>

We just need to write it like this to make it case sensitive.

<code>  `account` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,</code>

It has nothing to do with laravel. Mysql table setting problem
PHP7 online compilation and execution

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn