protected boolean createUniquePool() {
        return false;
    }
We inject {@link ForceLegacyMigration} to ensure that the core DB migration has happened before all
other migrations.
<p>
This provider means the FlyWay migration will be triggered on first use of a datasource.
stroom-db-util/src/main/java/stroom/db/util/AbstractDataSourceProviderModule.java