return "CONSTRAINT ? UNIQUE (?)", []interface{}{clause.Column{Name: uni.Name}, clause.Column{Name: uni.Field.DBName}}
}

// ParseUniqueConstraints parse schema unique constraints
func (schema *Schema) ParseUniqueConstraints() map[string]UniqueConstraint {
	uniques := make(map[string]UniqueConstraint)
	for _, field := range schema.Fields {
		if field.Unique {

      int uniques = 1;
      for (int i = 1; i < sortedElements.length; i++) {
        if (comparator.compare(sortedElements[uniques - 1], sortedElements[i]) < 0) {
          sortedElements[uniques] = sortedElements[i];
          uniques++;
        }
      }
      Arrays.fill(sortedElements, uniques, length, null);
      if (maybeExpand && uniques * 4 > length * 3) {

Vous devez vous assurer qu'il est unique pour chaque opération.

{* ../../docs_src/path_operation_advanced_configuration/tutorial001.py hl[6] *}

        });
    }

    /**
     * Finds a scheduled job by its unique identifier.
     *
     * @param jobUnique the unique identifier of the job
     * @return an optional containing the scheduled job if found, empty otherwise
     */
    private OptionalThing<LaScheduledJob> findJobByUniqueOf(final LaJobUnique jobUnique) {
        final JobManager jobManager = ComponentUtil.getJobManager();
        try {

            return userCode;
        }
        return null;
    }

    /**
     * Generates a new unique identifier for user tracking.
     * Creates a UUID and removes hyphens to create a clean identifier string.
     *
     * @return a new unique identifier string
     */
    protected String getId() {
        return UUID.randomUUID().toString().replace("-", StringUtil.EMPTY);
    }

)

func bytediff(a, b []byte) string {
	const (
		uniqueA  = "-  "
		uniqueB  = "+  "
		identity = "   "
	)
	var ss []string
	sa := strings.Split(strings.TrimSpace(hex.Dump(a)), "\n")
	sb := strings.Split(strings.TrimSpace(hex.Dump(b)), "\n")
	for len(sa) > 0 && len(sb) > 0 {
		if sa[0] == sb[0] {
			ss = append(ss, identity+sa[0])
		} else {
			ss = append(ss, uniqueA+sa[0])
			ss = append(ss, uniqueB+sb[0])
		}

}

func TestParseIndexWithUniqueIndexAndUnique(t *testing.T) {
	type IndexTest struct {
		FieldA string `gorm:"unique;index"` // unique and index
		FieldB string `gorm:"unique"`       // unique

		FieldC string `gorm:"index:,unique"`     // uniqueIndex
		FieldD string `gorm:"uniqueIndex;index"` // uniqueIndex and index

		FieldE1 string `gorm:"uniqueIndex:uniq_field_e1_e2"` // mul uniqueIndex

// PrimaryKey returns the index is primary key or not.
func (idx Index) PrimaryKey() (isPrimaryKey bool, ok bool) {
	return idx.PrimaryKeyValue.Bool, idx.PrimaryKeyValue.Valid
}

// Unique returns whether the index is unique or not.
func (idx Index) Unique() (unique bool, ok bool) {
	return idx.UniqueValue.Bool, idx.UniqueValue.Valid
}

// Option return the optional attribute of the index
func (idx Index) Option() string {

	typedef struct {
		uint32_t level,
		[switch_is(level)] DfsEnumInfo e;
	} DfsEnumStruct;

	[op(0x15)]
	int NetrDfsEnumEx([in,string,unique] wchar_t dfs_name,
			[in] uint32_t level,
			[in] uint32_t prefmaxlen,
			[in,out,unique] DfsEnumStruct *info,
			[in,out,unique] uint32_t *totalentries);

func (ct ColumnType) Nullable() (nullable bool, ok bool) {
	if ct.NullableValue.Valid {
		return ct.NullableValue.Bool, true
	}
	return ct.SQLColumnType.Nullable()
}

// Unique reports whether the column may be unique.
func (ct ColumnType) Unique() (unique bool, ok bool) {
	return ct.UniqueValue.Bool, ct.UniqueValue.Valid
}

// ScanType returns a Go type suitable for scanning into using Rows.Scan.