✨ Add MariaDB support

docs/database.md

@@ -60,12 +60,12 @@ export DB_POSTGRESDB_SCHEMA=n8n
 n8n start
 ```
 
-## MySQL
+## MySQL / MariaDB
 
-The compatibility with MySQL was tested, even so, it is advisable to observe the operation of the application with this DB, as it is a new option, recently added. If you spot any problems, feel free to submit a PR.
+The compatibility with MySQL/MariaDB was tested, even so, it is advisable to observe the operation of the application with this DB, as it is a new option, recently added. If you spot any problems, feel free to submit a PR.
 
 To use MySQL as database you can provide the following environment variables:
- - `DB_TYPE=mysqldb`
+ - `DB_TYPE=mysqldb` or `DB_TYPE=mariadb`
  - `DB_MYSQLDB_DATABASE` (default: 'n8n')
  - `DB_MYSQLDB_HOST` (default: 'localhost')
  - `DB_MYSQLDB_PORT` (default: 3306)

packages/cli/config/index.ts

@@ -8,7 +8,7 @@ const config = convict({
 	database: {
 		type: {
 			doc: 'Type of database to use',
-			format: ['sqlite', 'mongodb', 'mysqldb', 'postgresdb'],
+			format: ['sqlite', 'mariadb', 'mongodb', 'mysqldb', 'postgresdb'],
 			default: 'sqlite',
 			env: 'DB_TYPE'
 		},

packages/cli/src/Db.ts

@@ -63,11 +63,12 @@ export async function init(synchronize?: boolean): Promise<IDatabaseCollections>
 			};
 			break;
 
+		case 'mariadb':
 		case 'mysqldb':
 			dbNotExistError = 'does not exist';
 			entities = MySQLDb;
 			connectionOptions = {
-				type: 'mysql',
+				type: dbType === 'mysqldb' ? 'mysql' : 'mariadb',
 				database: await GenericHelpers.getConfigValue('database.mysqldb.database') as string,
 				entityPrefix: await GenericHelpers.getConfigValue('database.tablePrefix') as string,
 				host: await GenericHelpers.getConfigValue('database.mysqldb.host') as string,

packages/cli/src/Interfaces.ts

@@ -87,7 +87,7 @@ export interface ICredentialsDecryptedResponse extends ICredentialsDecryptedDb {
 	id: string;
 }
 
-export type DatabaseType = 'mongodb' | 'postgresdb' | 'mysqldb' | 'sqlite';
+export type DatabaseType = 'mariadb' | 'mongodb' | 'postgresdb' | 'mysqldb' | 'sqlite';
 export type SaveExecutionDataType = 'all' | 'none';
 
 export interface IExecutionBase {