[5.6] Update MySqlConnector to be compatible to MySQL 8.0 #23948

rodrigopedra · 2018-04-20T04:52:29Z

With the release of MySQL 8.0.11 as GA (General Availability), the NO_AUTO_CREATE_USER sql_mode is invalid and the MySQL throws an error when trying to set it.

You can read more about removed features that should be noted before upgrading on:
https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html
(NO_AUTO_CREATE_USER related item is the first bullet in the Server Changes section)

https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html#mysql-nutshell-removals

For those who are migrating their MySQL servers to 8.0 and want a workaround, you can set the 'modes' array item in you database.php file:

// database.php

    'connections' => [

        'mysql' => [
            'driver'      => 'mysql',
            'host'        => env( 'DB_HOST', '127.0.0.1' ),
            'port'        => env( 'DB_PORT', '3306' ),
            'database'    => env( 'DB_DATABASE', 'forge' ),
            'username'    => env( 'DB_USERNAME', 'forge' ),
            'password'    => env( 'DB_PASSWORD', '' ),
            'unix_socket' => env( 'DB_SOCKET', '' ),
            'charset'     => 'utf8mb4',
            'collation'   => 'utf8mb4_unicode_ci',
            'prefix'      => '',
            'strict'      => true,
            'engine'      => null,
            'modes'       => [
                'ONLY_FULL_GROUP_BY',
                'STRICT_TRANS_TABLES',
                'NO_ZERO_IN_DATE',
                'NO_ZERO_DATE',
                'ERROR_FOR_DIVISION_BY_ZERO',
                'NO_ENGINE_SUBSTITUTION',
            ],
        ],
    ],

The modes listed above are the ones MySQL 8.0 uses as the default mode:
https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sql-mode-setting

GrahamCampbell · 2018-04-20T06:49:45Z

This is a breaking change for mysql 7 users.

rodrigopedra · 2018-04-20T07:30:19Z

Hi @GrahamCampbell thanks for your observation. what do you suggest instead?

Maybe create a different connector and have both mysql and mysql8 drivers?

laurencei · 2018-04-20T10:30:13Z

For those who are migrating their MySQL servers to 8.0 and want a workaround...

So if there is already a workaround for mySQL v8 available now in Laravel 5.5/5.6 - then perhaps you could just put the mode change in Laravel 5.7 as a documented change, and mark that as having formal support for mySQL8?

Would seem to be less technical debt for Laravel to carry forward over the years, than trying to simulatenously support different versions (i.e. what your original PR was before the edit you just did)..

Just an idea... wait to see what Taylor says I guess.

rodrigopedra · 2018-04-20T10:32:41Z

@GrahamCampbell , I thought about a solution and my suggestion is to add a 'version' option to the database configuration array.

If this PR gets accepted the configuration array in the database.php for a MySQL 8 connection can be written like this:

// database.php

    'connections' => [

        'mysql' => [
            'driver'      => 'mysql',
            'host'        => env( 'DB_HOST', '127.0.0.1' ),
            'port'        => env( 'DB_PORT', '3306' ),
            'database'    => env( 'DB_DATABASE', 'forge' ),
            'username'    => env( 'DB_USERNAME', 'forge' ),
            'password'    => env( 'DB_PASSWORD', '' ),
            'unix_socket' => env( 'DB_SOCKET', '' ),
            'charset'     => 'utf8mb4',
            'collation'   => 'utf8mb4_unicode_ci',
            'prefix'      => '',
            'strict'      => true,
            'engine'      => null,
            'version'     => 8,
        ],
    ],

I pushed a new commit to reflect this suggestion.

rodrigopedra · 2018-04-20T10:33:55Z

@laurencei I agree with you when my first commit led to a breaking change. But if the amended version I see no reason to wait.

rodrigopedra · 2018-04-20T10:41:19Z

@laurencei I saw your comment in the other related PR ( #23951 ) about carrying over the technical requirements for every new MySQL version.

I understand your argument, but I think that as MySQL has such wide adoption among web developers we should try to support all the versions that are currently supported by Oracle. Once Oracle drops support for an older version we could stop supporting it too.

sisve · 2018-04-20T18:30:54Z

You can read the mysql version from \DB::connection()->getPdo()->getAttribute(\PDO::ATTR_SERVER_VERSION) and pick the proper sql modes from that, without having to let the user specify the version themselves.

rodrigopedra · 2018-04-22T10:53:53Z

Thanks @sisve for the tip I am out of town for the weekend, when I am back later today I'll update the patch

GrahamCampbell · 2018-04-22T11:09:12Z

src/Illuminate/Database/Connectors/MySqlConnector.php

    {
+        if ($version === 8) {


$version > 7 is probably safest, otherwise people are gonna get confused

Possible they will put 7.4 8.0 or whatever into the config, and if we update to >, that'll still work. We could also take a string, and do a version_compare.

I updated the commit to check against the PDO::ATTR_SERVER_VERSION attribute and the code now uses the > operator as you suggested.

rodrigopedra · 2018-04-22T11:27:17Z

I edited from my iPad, so I couldn’t test against a runnin app. I compared to version 8.0.11 per release notes available at:

https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html#upgrade-server-changes

If someone can validate against a running mysql running at version 8.0.11 or up, I appreciate. Otherwise I'll validate when I’m back home later today.

GrahamCampbell · 2018-04-22T11:48:06Z

src/Illuminate/Database/Connectors/MySqlConnector.php

    {
+        if ($connection->getAttribute(PDO::ATTR_SERVER_VERSION) >= '8.0.11') {


>= '8.0.11' doesn't do what you want. You need version_compare.

Pushed a new commit using it. Thanks!

rodrigopedra · 2018-04-22T22:56:50Z

Can confirm it works. Tested with an app running Laravel 5.6.17 and MySQL 8.0.11.

In the last commit I changed the code to use the version_compare built-in php function as suggested by @GrahamCampbell

Already squashed the last 4 commits into one.

ghost · 2018-05-15T13:36:47Z

excuse me I am using laravel 5.6.18 but i can't connect it to mysql 8.0.11 it says the following message

PDOException::(PDO::__construct(): The server requested authentication method unknown to the client [caching_sha2_password])

it's posiible to fix it? or I need to wait

rodrigopedra · 2018-05-15T14:07:52Z

Hi @IngAlfredoPaz your case sounds like a MySQL installation error, not a Laravel issue, I found these links that may help:

If you migrated from a previous MySQL installation, there are two things to notice:

During installation, the installer asks if you want to use the new password encryption for the DB users or to keep the old one for increased compatibility, in my installations I always choose to use the old one to avoid connection problems
After upgrading from a current install you should run the mysql_upgrade utility to update the data structure used by MySQL.

One other thing you could try is to check if you are using the latest version from the php-mysql extension.

Sorry if you already tried all of these steps, but unfortunately I don't see how I could help further more as it doesn't seem to be a Laravel issue.

ghost · 2018-05-15T14:35:30Z

@rodrigopedra you¿re so right, with the first step I did it thank you so much

david-alan-oneill · 2018-07-16T23:00:22Z

If your using windows and installed MySQL through the installer, relaunch the installer and you will see a reconfigure option beside the server. Click that and when you get back to the authentication part choose legacy. Relaunch cmd and migrate command will now work with no changes to database.php

chilio · 2018-07-18T21:58:38Z

@rodrigopedra I am still stuck on this. I know how to reconfigure mysql server, etc
Unfortunately these solutions doesn't fit into this scenario....
I use mysql docker image for CI (Laravel Dusk) tests in gitlab, so there is no configuration (I don't want to bloat test spec, with additional commands). I am only specifying image name and version like service: mysql:5.7 or mysql:8.0. I could build another mysql image as a workaround, but sticking to the official ones seems much better.
So to summarize starting from mysql 8.0.4 I get The server requested authentication method unknown to the client error.
Do you have any suggestions for me?

rodrigopedra · 2018-07-19T03:01:47Z

Hi @chilio , I don't have a clue of what can be happening. Googling for this error I found this issue in the laradock project:

laradock/laradock#1392 (comment)

The people over there seems to be having similar issues than you. Some says the solution I linked above works. Reading the thread I think that most people that suggests to delete the MySQL data folder doesnt know about running mysql_upggrade` after updating the version.

Take a look on what they suggest in that thread and if you succeed drop a line here.

Good luck.

@see

… to config Fixes Azure-Samples#3 @see: laravel/framework#23948

igoralves1 · 2018-11-11T23:48:18Z

It seems not to be an issue of Laravel. It seems to be an issue of php. PHP is not ready yet for this kind of encryption.

MySQL 8

When running a PHP version before 7.1.16, or PHP 7.2 before 7.2.4, set MySQL 8 Server's default password plugin to mysql_native_password or else you will see errors similar to The server requested authentication method unknown to the client [caching_sha2_password] even when caching_sha2_password is not used.

This is because MySQL 8 defaults to caching_sha2_password, a plugin that is not recognized by the older PHP (mysqlnd) releases. Instead, change it by setting default_authentication_plugin=mysql_native_password in my.cnf. The caching_sha2_password plugin will be supported in a future PHP release. In the meantime, the mysql_xdevapi extension does support it.

[http://php.net/manual/en/ref.pdo-mysql.php]

fokosun · 2019-09-06T22:30:48Z

'modes'       => [
                'ONLY_FULL_GROUP_BY',
                'STRICT_TRANS_TABLES',
                'NO_ZERO_IN_DATE',
                'NO_ZERO_DATE',
                'ERROR_FOR_DIVISION_BY_ZERO',
                'NO_ENGINE_SUBSTITUTION',
            ],

Didn't fix it for me

99linesofcode · 2019-12-08T23:51:39Z

Those issues are entirely unrelated to this PR. If you run into The server requested authentication method unknown to the client error, please refer to laradock/laradock#1392 (comment)

pratikid · 2020-03-03T11:25:43Z

Try installing php-mysqlnd and mysqli using yum or other package managers.

PHP Version: 7.4
MySQL Verison: 8.0.11

Ensure output of below command:

php -m | grep 'mysql'

Gives below output:

mysqli
mysqlnd

Works for me.

SalasMerlitoJr · 2020-10-24T08:30:53Z

C:\xampp\htdocs\Ecommerce>php artisan key:generate
Application key set successfully.

C:\xampp\htdocs\Ecommerce>php artisan migrate

Illuminate\Database\QueryException : SQLSTATE[HY000] [1045] Access denied for user 'homestead'@'localhost' (using password: YES) (SQL: select * from information_schema.tables where table_schema = homestead and table_name = migrations)

at C:\xampp\htdocs\Ecommerce\vendor\laravel\framework\src\Illuminate\Database\Connection.php:664
660| // If an exception occurs when attempting to run a query, we'll format the error
661| // message to include the bindings with SQL, which will make this exception a
662| // lot more helpful to the developer instead of just the database's errors.
663| catch (Exception $e) {

664| throw new QueryException(
665| $query, $this->prepareBindings($bindings), $e
666| );
667| }
668|

Exception trace:

1 PDOException::("SQLSTATE[HY000] [1045] Access denied for user 'homestead'@'localhost' (using password: YES)")
C:\xampp\htdocs\Ecommerce\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php:70

2 PDO::__construct("mysql:host=127.0.0.1;port=3306;dbname=homestead", "homestead", "secret", [])
C:\xampp\htdocs\Ecommerce\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php:70

please help me to fix it :(

rodrigopedra · 2020-10-24T08:57:14Z

Hey @SalasMerlitoJr ,

As you are using XAMPP and the database credentials are for the default ones for a Laravel Homestead installation, it seems your database credentials are not the same as your local MySQL installation.

Check your .env file if you have the same values for the DB_HOST, DB_DATABASE, DB_USERNAME, and DB_PASSWORD variables as your local MySQL instance requires.

Also, per contribution guidelines, this issue tracker is for reporting bugs with the framework itself. As your request seems more a support request, and not a bug report, please send further questions to the community support channels.

You can check the guidelines and the links to the community support channels at:

https://laravel.com/docs/8.x/contributions#support-questions

SalasMerlitoJr · 2020-10-24T17:23:45Z

@rodrigopedra noted sir .

saidbakr · 2022-04-28T02:01:25Z

With the release of MySQL 8.0.11 as GA (General Availability), the NO_AUTO_CREATE_USER sql_mode is invalid and the MySQL throws an error when trying to set it.

You can read more about removed features that should be noted before upgrading on: https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html (NO_AUTO_CREATE_USER related item is the first bullet in the Server Changes section)

https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html#mysql-nutshell-removals

For those who are migrating their MySQL servers to 8.0 and want a workaround, you can set the 'modes' array item in you database.php file:
// database.php

    'connections' => [

        'mysql' => [
            'driver'      => 'mysql',
            'host'        => env( 'DB_HOST', '127.0.0.1' ),
            'port'        => env( 'DB_PORT', '3306' ),
            'database'    => env( 'DB_DATABASE', 'forge' ),
            'username'    => env( 'DB_USERNAME', 'forge' ),
            'password'    => env( 'DB_PASSWORD', '' ),
            'unix_socket' => env( 'DB_SOCKET', '' ),
            'charset'     => 'utf8mb4',
            'collation'   => 'utf8mb4_unicode_ci',
            'prefix'      => '',
            'strict'      => true,
            'engine'      => null,
            'modes'       => [
                'ONLY_FULL_GROUP_BY',
                'STRICT_TRANS_TABLES',
                'NO_ZERO_IN_DATE',
                'NO_ZERO_DATE',
                'ERROR_FOR_DIVISION_BY_ZERO',
                'NO_ENGINE_SUBSTITUTION',
            ],
        ],
    ],
The modes listed above are the ones MySQL 8.0 uses as the default mode: https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sql-mode-setting

Indeed, it works, but for unknown reason, pluck() with keys & values pairs returns null values. More details in this Question

rodrigopedra changed the title ~~Update MySqlConnector to use MySQL 8.0~~ [5.6] Update MySqlConnector to be compatible to MySQL 8.0 Apr 20, 2018

jedix mentioned this pull request Apr 20, 2018

[5.6] Update MySqlConnector to be compatible to MySQL 8.0 #23951

Closed

BrandonSurowiec mentioned this pull request Apr 21, 2018

Can't connect to DB on the MySql version 8.0 #23961

Closed

GrahamCampbell requested changes Apr 22, 2018

View reviewed changes

Added compatibility with MySQL 8.0.11 (GA)

2f772af

$@afraca$ afraca mentioned this pull request Apr 25, 2018

[5.6] Use offset only when limit is available #23998

Closed

taylorotwell merged commit 2f772af into laravel:5.6 Apr 25, 2018

rodrigopedra deleted the patch-1 branch April 26, 2018 15:17

staudenmeir mentioned this pull request Apr 27, 2018

[5.5] Update MySqlConnector to be compatible to MySQL 8.0 #24038

Merged

haodiao mentioned this pull request Apr 30, 2018

似乎 Laravel 数据库连接无法兼容 MySql 8.0？ z-song/laravel-admin#1977

Closed

guillaumebriday mentioned this pull request May 11, 2018

Illuminate\Database\QueryException guillaumebriday/laravel-blog#25

Closed

simpliste mentioned this pull request May 24, 2018

Docker env update akaunting/akaunting#353

Merged

ifox mentioned this pull request Jul 16, 2018

Issues with the php artisan twill:setup area17/twill#15

Closed

wyattjoe40 mentioned this pull request Sep 7, 2018

Not Compatible with MySQL 8.0 Azure-Samples/laravel-tasks#3

Open

ctcDNightmare added a commit to ctcDNightmare/laravel-tasks that referenced this pull request Oct 21, 2018

Update env.example to use mysql8 connection and add mysql8-connection…

cca114f

… to config Fixes Azure-Samples#3 @see: laravel/framework#23948

ctcDNightmare mentioned this pull request Oct 21, 2018

Add support for MySQL8 Azure-Samples/laravel-tasks#4

Closed

MattWohler mentioned this pull request May 29, 2019

[5.4] Update MySqlConnector to be compatible to MySQL 8.0 #28649

Closed

laravel deleted a comment from consule Jul 4, 2019

LukeTowers mentioned this pull request Apr 2, 2020

October CMS unable to connect to the database octobercms/october#5021

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[5.6] Update MySqlConnector to be compatible to MySQL 8.0 #23948

[5.6] Update MySqlConnector to be compatible to MySQL 8.0 #23948

rodrigopedra commented Apr 20, 2018

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david-alan-oneill commented Jul 16, 2018

chilio commented Jul 18, 2018

rodrigopedra commented Jul 19, 2018

igoralves1 commented Nov 11, 2018

fokosun commented Sep 6, 2019

99linesofcode commented Dec 8, 2019

pratikid commented Mar 3, 2020

SalasMerlitoJr commented Oct 24, 2020

rodrigopedra commented Oct 24, 2020

SalasMerlitoJr commented Oct 24, 2020

saidbakr commented Apr 28, 2022

		{
		if ($connection->getAttribute(PDO::ATTR_SERVER_VERSION) >= '8.0.11') {

[5.6] Update MySqlConnector to be compatible to MySQL 8.0 #23948

[5.6] Update MySqlConnector to be compatible to MySQL 8.0 #23948

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