## Default values { #default-values }

You can, of course, use default values other than `None`.

Let's say that you want to declare the `q` query parameter to have a `min_length` of `3`, and to have a default value of `"fixedquery"`:

{* ../../docs_src/query_params_str_validations/tutorial005_an_py310.py hl[9] *}

/// note

        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQueryCollection(String name, Collection<?> values) {

        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQueryCollection(String name, Collection<?> values) {

        assertEquals("00", Hexdump.toHexString(0, 2));

        // Test positive values
        assertEquals("000000FF", Hexdump.toHexString(255, 8));
        assertEquals("00FF", Hexdump.toHexString(255, 4));
        assertEquals("FF", Hexdump.toHexString(255, 2));

        // Test larger values
        assertEquals("00001234", Hexdump.toHexString(0x1234, 8));

    /** Returns the value from the left map (possibly null). */
    @ParametricNullness
    V leftValue();

    /** Returns the value from the right map (possibly null). */
    @ParametricNullness
    V rightValue();

    /**
     * Two instances are considered equal if their {@link #leftValue()} values are equal and their
     * {@link #rightValue()} values are also equal.
     */
    @Override

     * @param tagFieldNames the names of the fields to use as tags
     * @param roleFieldName the name of the field to use for roles
     * @param readingConverter the converter to use for reading values
     * @param normalizer the normalizer to use for normalizing values
     * @return a list of suggest items parsed from the query log
     */
    List<SuggestItem> parseQueryLog(QueryLog queryLog, String[] fields, String[] tagFieldNames, String roleFieldName,

    @DisplayName("Decode Method Tests")
    class DecodeMethodTests {

        @Test
        @DisplayName("Should decode buffer with typical values correctly")
        void shouldDecodeBufferWithTypicalValues() throws SMBProtocolDecodingException {
            // Given - prepare buffer with typical file system values
            ByteBuffer buffer = ByteBuffer.allocate(32);
            buffer.order(ByteOrder.LITTLE_ENDIAN);

    }
    assertEqualIgnoringOrder(expected, multimap().values());
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testValuesInOrder() {
    List<V> expected = new ArrayList<>();
    for (Entry<K, V> entry : getOrderedElements()) {
      expected.add(entry.getValue());
    }
    assertEqualInOrder(expected, multimap().values());
  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)

                dataMap.put(key, values);
            } else {
                final Object[] values = Arrays.copyOf(oldValues, oldValues.length + 1);
                values[values.length - 1] = value;
                dataMap.put(key, values);
            }
        }
    }

    /**
     * Puts data into the result data map after processing it through a template script.

		tx = tx.Omit(omits...)
	}

	return db.AddError(tx.Create(values).Error)
}

// check association values has been saved
// if values kind is Struct, check it has been saved
// if values kind is Slice/Array, check all items have been saved
var visitMapStoreKey = "gorm:saved_association_map"

func checkAssociationsSaved(db *gorm.DB, values reflect.Value) bool {
	if visit, ok := db.Get(visitMapStoreKey); ok {