[2.1] Move Cubrid DBMS support out of core

[SilverFire]

According to the Google Trends information, the Cubrid DBMS is very unpopular:

If we exclude MySQL to see the bottom part detailed, the Cubrid still has zero:

[tom--]

I was partly responsible for pushing for CUBRID in Yii some years ago. I planned to use it in a big project. In the end we used Maria/Galera partly for the reason that CUBRID appeared to be losing ground.

I don't understand why Google reports absolute zero. All the same, I strongly suspect there is little overlap between the Yii and CUBRID user bases.

[cebe]

Their community seems to be limited to South Korea:

[yyxx9988]

Other Frameworks:

• Symfony (http://docs.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/platforms.html)
  • MySQL
  • PostgreSQL
  • Oracle
  • Sqlite
  • SQL Server
  • SAP Sybase SQL Anywhere
  • Drizzle
• Laravel (https://laravel.com/docs/5.5/database)
  • MySQL
  • PostgreSQL
  • SQLite
  • SQL Server
• CakePHP (https://book.cakephp.org/3.0/en/orm/database-basics.html)
  • MySQL 5.1+
  • SQLite 3
  • PostgreSQL 8+
  • SQLServer 2008+
  • Oracle (through a community plugin)

[samdark]

Instead of moving it out of the core I'd drop it... we aren't going to support it anyway.

[klimov-paul]

CUBRID support removed: e74fbb1b0f1e83ae43672436f090393f670ebb13

[sergeymakinen]

Thanks god…

[rugabarbo]

Check related checkbox in wiki https://github.com/yiisoft/yii2/wiki/Roadmap