//	db.Where(User{Name: "non_existing"}).Assign(User{Email: "fake@fake.org"}).FirstOrInit(&user)
//	// user -> User{Name: "non_existing", Email: "fake@fake.org"}
//
//	// assign email regardless of if record is found
//	db.Where(User{Name: "jinzhu"}).Assign(User{Email: "fake@fake.org"}).FirstOrInit(&user)
//	// user -> User{Name: "jinzhu", Age: 20, Email: "fake@fake.org"}
//

func (set Set) MergeClause(clause *Clause) {
	copiedAssignments := make([]Assignment, len(set))
	copy(copiedAssignments, set)
	clause.Expression = Set(copiedAssignments)
}

func Assignments(values map[string]interface{}) Set {
	keys := make([]string, 0, len(values))
	for key := range values {
		keys = append(keys, key)
	}
	sort.Strings(keys)

	assignments := make([]Assignment, len(keys))
	for idx, key := range keys {

				clauseSelect.Columns = make([]clause.Column, len(db.Statement.Schema.DBNames))
				for idx, dbName := range db.Statement.Schema.DBNames {
					clauseSelect.Columns[idx] = clause.Column{Table: db.Statement.Table, Name: dbName}
				}
			}

			specifiedRelationsName := make(map[string]interface{})
			for _, join := range db.Statement.Joins {

								}
							}
						}
					}
				}

				switch db.Statement.ReflectValue.Kind() {
				case reflect.Slice, reflect.Array:
					var (
						rValLen   = db.Statement.ReflectValue.Len()
						objs      = make([]reflect.Value, 0, rValLen)
						fieldType = rel.Field.FieldType
						isPtr     = fieldType.Kind() == reflect.Ptr
					)

					if !isPtr {
						fieldType = reflect.PtrTo(fieldType)
					}

	Vars []interface{}
}

// Build build raw expression
func (expr NamedExpr) Build(builder Builder) {
	var (
		idx              int
		inName           bool
		afterParenthesis bool
		namedMap         = make(map[string]interface{}, len(expr.Vars))
	)

	for _, v := range expr.Vars {
		switch value := v.(type) {
		case sql.NamedArg:
			namedMap[value.Name] = value.Value
		case map[string]interface{}:

	for _, val := range vals {
		if val != "" && !strings.EqualFold(val, "false") {
			return true
		}
	}
	return false
}

func ToStringKey(values ...interface{}) string {
	results := make([]string, len(values))

	for idx, value := range values {
		if valuer, ok := value.(driver.Valuer); ok {
			value, _ = valuer.Value()
		}

		switch v := value.(type) {
		case string:
			results[idx] = v

func ExplainSQL(sql string, numericPlaceholder *regexp.Regexp, escaper string, avars ...interface{}) string {
	var (
		convertParams func(interface{}, int)
		vars          = make([]string, len(avars))
	)

	convertParams = func(v interface{}, idx int) {
		switch v := v.(type) {
		case bool:
			vars[idx] = strconv.FormatBool(v)
		case time.Time:
			if v.IsZero() {

	commonInitialismsReplacer *strings.Replacer
)

func init() {
	commonInitialismsForReplacer := make([]string, 0, len(commonInitialisms))
	for _, initialism := range commonInitialisms {
		commonInitialismsForReplacer = append(commonInitialismsForReplacer, initialism, strings.Title(strings.ToLower(initialism)))
	}

					createTableSQL += ","
				}
			}

			if !hasPrimaryKeyInDataType && len(stmt.Schema.PrimaryFields) > 0 {
				createTableSQL += "PRIMARY KEY ?,"
				primaryKeys := make([]interface{}, 0, len(stmt.Schema.PrimaryFields))
				for _, field := range stmt.Schema.PrimaryFields {
					primaryKeys = append(primaryKeys, clause.Column{Name: field.DBName})
				}

//	db.Where(User{Name: "non_existing"}).Attrs(User{Email: "fake@fake.org"}).FirstOrInit(&user)
//	// user -> User{Name: "non_existing", Email: "fake@fake.org"}
//
//	// assign email regardless of if record is found
//	db.Where(User{Name: "jinzhu"}).Assign(User{Email: "fake@fake.org"}).FirstOrInit(&user)
//	// user -> User{Name: "jinzhu", Age: 20, Email: "fake@fake.org"}