presto-sqlserver/src/main/java/io/prestosql/plugin/sqlserver/SqlServerClientModule.java/SqlServerClientModule/getConnectionFactory
class SqlServerClientModule:    @Provides
    @Singleton
    @ForBaseJdbc
    public ConnectionFactory getConnectionFactory(BaseJdbcConfig config, CredentialProvider credentialProvider)
    {
        return new DriverConnectionFactory(new SQLServerDriver(), config, credentialProvider);
    }