inputparams.addParameter(FileBasedDatabaseConnection.FILTERS_ID, filters);
inputparams.addParameter(FixedDBIDsFilter.IDSTART_ID, 1);
// get database
Database db = ClassGenericsUtil.parameterizeOrAbort(StaticArrayDatabase.class, inputparams);
inputparams.failOnErrors();
db.initialize();
Relation<NumberVector<?, ?>> relation = db.getRelation(TypeUtil.NUMBER_VECTOR_FIELD);
// verify data set size.
org.junit.Assert.assertEquals("Database size does not match.", shoulds, relation.size());