newName = field.DBName
			}
		}

		return m.DB.Exec(
			"ALTER TABLE ? RENAME COLUMN ? TO ?",
			m.CurrentTable(stmt), clause.Column{Name: oldName}, clause.Column{Name: newName},
		).Error
	})
}

// MigrateColumn migrate column
func (m Migrator) MigrateColumn(value interface{}, field *schema.Field, columnType gorm.ColumnType) error {
	if field.IgnoreMigration {

		if len(joinForeignValues) == 0 {
			return nil
		}

		joinResults := rel.JoinTable.MakeSlice().Elem()
		column, values := schema.ToQueryValues(clause.CurrentTable, joinForeignKeys, joinForeignValues)
		if err := tx.Where(clause.IN{Column: column, Values: values}).Find(joinResults.Addr().Interface()).Error; err != nil {
			return err
		}

		// convert join identity map to relation identity map

    #  The list of column DB names that need to be quoted. Specified columns is quoted on auto-generated SQL.
    #
    #; quoteColumnNameList = list:{}
    # - - - - - - - - - -/

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o columnNullObjectMap: (NotRequired - Default map:{})
    #  You can get a null object when the column is null.
    #
    #; columnNullObjectMap = map:{

		`gorm:"before:value;column; after:value" other:"before:value;column:db;after:value"`:    `gorm:"before:value; after:value" other:"before:value;column:db;after:value"`,
	}

	for k, v := range tags {
		if string(removeSettingFromTag(reflect.StructTag(k), "column")) != v {
			t.Errorf("%v after removeSettingFromTag should equal %v, but got %v", k, v, removeSettingFromTag(reflect.StructTag(k), "column"))
		}
	}
}

	CurrentTable string = "~~~ct~~~" // current table
	Associations string = "~~~as~~~" // associations
)

var (
	currentTable  = Table{Name: CurrentTable}
	PrimaryColumn = Column{Table: CurrentTable, Name: PrimaryKey}
)

// Column quote with name
type Column struct {
	Table string
	Name  string
	Alias string
	Raw   bool
}

// Table quote with name
type Table struct {
	Name  string
	Alias string
	Raw   bool

			result[k][idx] = v
		}
	}

	sort.Strings(columns)
	values.Values = make([][]interface{}, len(mapValues))
	values.Columns = make([]clause.Column, len(columns))
	for idx, column := range columns {
		values.Columns[idx] = clause.Column{Name: column}

		for i, v := range result[column] {
			if len(values.Values[i]) == 0 {
				values.Values[i] = make([]interface{}, len(columns))
			}

			values.Values[i][idx] = v
		}
	}

}

func (uni *UniqueConstraint) GetName() string { return uni.Name }

func (uni *UniqueConstraint) Build() (sql string, vars []interface{}) {
	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)

		"`User__Company`.*":  {"User__Company", "*"},
		`"User__Company".*`:  {"User__Company", "*"},
		`"table"."*"`:        {"", ""},
	} {
		if table, column := matchName(k); table != v[0] || column != v[1] {
			t.Errorf("failed to match value: %v, got %v, expect: %v", k, []string{table, column}, v)
		}
	}

					Exprs: []clause.Expression{clause.Eq{clause.Column{Table: "user_info", Name: "user_id"}, clause.PrimaryColumn}},
				},
			},
			sql: "LEFT JOIN `user` ON `user_info`.`user_id` = `users`.`id`",
		},
		{
			name: "RIGHT JOIN",
			join: clause.Join{
				Type:  clause.RightJoin,
				Table: clause.Table{Name: "user"},
				ON: clause.Where{

    }

    @Override
    public void add(ModelProblemCollectorRequest req) {
        int line = -1;
        int column = -1;
        String source = null;
        String modelId = null;

        if (req.getLocation() != null) {
            line = req.getLocation().getLineNumber();
            column = req.getLocation().getColumnNumber();
            if (req.getLocation().getSource() != null) {