Typeorm not using default charset from database

Issue type:

[ ] question [ x ] bug report [ ] feature request [ ] documentation issue

Database system/driver:

[ ] cordova [ ] mongodb [ ] mssql [ x ] mysql / mariadb [ ] oracle [ ] postgres [ ] sqlite [ ] sqljs [ ] react-native [ ] expo

TypeORM version:

[ x ] latest [ ] @next [ ] 0.x.x (or put your version here)

Steps to reproduce or a small repository showing the problem:

From MySQL connection options:

/**
 * The charset for the connection. This is called "collation" in the SQL-level of MySQL (like utf8_general_ci).
 * If a SQL-level charset is specified (like utf8mb4) then the default collation for that charset is used.
 * Default: 'UTF8_GENERAL_CI'
 */
readonly charset?: string;

Using the SQL-level charset seems not to work properly. My MySQL database is configured as:

Default collation: utf8mb4_unicode_ci
Default charset: utf8mb4

When inserting a string, that contains an emoji, the query fails with: ER_TRUNCATED_WRONG_VALUE_FOR_FIELD, 'Incorrect string value: \'\\xF0\\x9F\\x98\\x9C \' for column \'message\' at row 1',

That indicates, that the default charset of the database is not used, and the default UTF8_GENERAL_CI used instead (which does not support emoji). And in deed, if I set charset: 'utf8mb4' explicitly in the typeorm config, inserting works properly.

[woodinteractive]

charset: ‘utf8mb4’

it works. typeorm documentation is tricky because they only put the general stuffs in their webpage, but more specific things are in their github repo

@robertoandres24 Can you clarify what exactly worked? I’m having a similar issue and my column types are set to ‘uft8mb4’, but I’m still getting the error message ER_TRUNCATED_WRONG_VALUE_FOR_FIELD: Incorrect string value: '\xE2\x80\x90tim...' for column 'content' at row 1

[zw-slime]

My solution is

  imports: [
    CoreModule,
    TypeOrmModule.forRoot({
      type: 'mysql',
      host: config.mysql.host,
      port: config.mysql.port,
      username: config.mysql.username,
      password: config.mysql.password,
      database: config.mysql.database,
      entities: [PageNewEntity, TaskNewEntity],
      synchronize: true,
      charset:'utf8mb4', // set this  set Column set entity do not work
      logging: false,
      // timezone: config.mysql.timezone,
    })
  ],
  exports: [TaskNewModule, TaskAsyncModule],
})
export class AppModule {}```