public static Optional<String> stringFilter(TupleDomain<Integer> constraint, int index) { if (constraint.isNone()) { return Optional.empty(); } Domain domain = constraint.getDomains().get().get(index); if ((domain == null) || !domain.isSingleValue()) { return Optional.empty(); } Object value = domain.getSingleValue(); if (value instanceof Slice) { return Optional.of(((Slice) value).toStringUtf8()); } return Optional.empty(); }
private <T> Optional<Set<String>> filterString(TupleDomain<T> constraint, T column) { if (constraint.isNone()) { return Optional.of(ImmutableSet.of()); } Domain domain = constraint.getDomains().get().get(column); if (domain == null) { return Optional.empty(); } if (domain.isSingleValue()) { return Optional.of(ImmutableSet.of(((Slice) domain.getSingleValue()).toStringUtf8())); } else if (domain.getValues() instanceof EquatableValueSet) { Collection<Object> values = ((EquatableValueSet) domain.getValues()).getValues(); return Optional.of(values.stream() .map(Slice.class::cast) .map(Slice::toStringUtf8) .collect(toImmutableSet())); } return Optional.empty(); }
sb.append(CassandraCqlUtils.validColumnName(column.getName())) .append(" = ") .append(CassandraCqlUtils.cqlValue(toCQLCompatibleString(entry.getValue().getSingleValue()), column.getCassandraType())); indexedColumns.add(column);
@Test public void testEquatableSingleValue() { Domain domain = Domain.singleValue(ID, 0L); assertFalse(domain.isNone()); assertFalse(domain.isAll()); assertTrue(domain.isSingleValue()); assertTrue(domain.isNullableSingleValue()); assertFalse(domain.isOnlyNull()); assertFalse(domain.isNullAllowed()); assertEquals(domain.getValues(), ValueSet.of(ID, 0L)); assertEquals(domain.getType(), ID); assertTrue(domain.includesNullableValue(0L)); assertFalse(domain.includesNullableValue(null)); assertEquals(domain.complement(), Domain.create(ValueSet.of(ID, 0L).complement(), true)); assertEquals(domain.getSingleValue(), 0L); assertEquals(domain.getNullableSingleValue(), 0L); try { Domain.create(ValueSet.of(ID, 0L, 1L), false).getSingleValue(); fail(); } catch (IllegalStateException e) { } }
@Test public void testOrderableSingleValue() { Domain domain = Domain.singleValue(BIGINT, 0L); assertFalse(domain.isNone()); assertFalse(domain.isAll()); assertTrue(domain.isSingleValue()); assertTrue(domain.isNullableSingleValue()); assertFalse(domain.isOnlyNull()); assertFalse(domain.isNullAllowed()); assertEquals(domain.getValues(), ValueSet.ofRanges(Range.equal(BIGINT, 0L))); assertEquals(domain.getType(), BIGINT); assertFalse(domain.includesNullableValue(Long.MIN_VALUE)); assertTrue(domain.includesNullableValue(0L)); assertFalse(domain.includesNullableValue(Long.MAX_VALUE)); assertEquals(domain.complement(), Domain.create(ValueSet.ofRanges(Range.lessThan(BIGINT, 0L), Range.greaterThan(BIGINT, 0L)), true)); assertEquals(domain.getSingleValue(), 0L); assertEquals(domain.getNullableSingleValue(), 0L); try { Domain.create(ValueSet.ofRanges(Range.range(BIGINT, 1L, true, 2L, true)), false).getSingleValue(); fail(); } catch (IllegalStateException e) { } }
KuduPredicate predicate = createEqualsPredicate(columnSchema, domain.getSingleValue()); builder.addPredicate(predicate);
public static Optional<String> stringFilter(TupleDomain<Integer> constraint, int index) { if (constraint.isNone()) { return Optional.empty(); } Domain domain = constraint.getDomains().get().get(index); if ((domain == null) || !domain.isSingleValue()) { return Optional.empty(); } Object value = domain.getSingleValue(); if (value instanceof Slice) { return Optional.of(((Slice) value).toStringUtf8()); } return Optional.empty(); }
if (tableNameDomain != null && tableNameDomain.isSingleValue()) { predicates.add("table_name = ?"); values.add(getStringValue(tableNameDomain.getSingleValue())); values.add(getStringValue(schemaNameDomain.getSingleValue()));
sb.append(CassandraCqlUtils.validColumnName(column.getName())) .append(" = ") .append(CassandraCqlUtils.cqlValue(toCQLCompatibleString(entry.getValue().getSingleValue()), column.getCassandraType())); indexedColumns.add(column);
builder.addPredicate(KuduPredicate.newIsNotNullPredicate(columnSchema)); } else if (domain.isSingleValue()) { KuduPredicate predicate = createEqualsPredicate(columnSchema, domain.getSingleValue()); builder.addPredicate(predicate); } else {