Grails 3.x.x Hibernate5 postgresql sequence per table

application.groovy

//config
dataSource {
  driverClassName = "org.postgresql.Driver"
  dialect = "db.MyPostgresqlDialect"
  ...
}

MyPostgresqlDialect.groovy

package db

class MyPostgresqlDialect extends PostgreSQL94Dialect {

    @Override
    Class getNativeIdentifierGeneratorClass() {
        TableNameSequenceGenerator.class
    }

    @Override
    String getNativeIdentifierGeneratorStrategy() {
        return "db.TableNameSequenceGenerator";
    }
}

TableNameSequenceGenerator.groovy

package db

class TableNameSequenceGenerator extends SequenceStyleGenerator {

    @Override
    void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException {
        if (!params.getProperty(SEQUENCE_PARAM)) {
            String tableName = params.getProperty(TABLE)
            if (tableName) {
                params.setProperty(SEQUENCE_PARAM, "seq_${tableName}")
            }
        }
        super.configure(type, params, serviceRegistry)
    }
}