update              = mode&ScanUpdate != 0
		onConflictDonothing = mode&ScanOnConflictDoNothing != 0
	)

	if len(db.Statement.ColumnMapping) > 0 {
		for i, column := range columns {
			v, ok := db.Statement.ColumnMapping[column]
			if ok {
				columns[i] = v
			}
		}
	}

	db.RowsAffected = 0

	switch dest := db.Statement.Dest.(type) {

		Clauses:              map[string]clause.Clause{},
		Distinct:             stmt.Distinct,
		Selects:              stmt.Selects,
		Omits:                stmt.Omits,
		ColumnMapping:        stmt.ColumnMapping,
		Preloads:             map[string][]interface{}{},
		ConnPool:             stmt.ConnPool,
		Schema:               stmt.Schema,
		Context:              stmt.Context,

}

// MapColumns modify the column names in the query results to facilitate align to the corresponding structural fields
func (db *DB) MapColumns(m map[string]string) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.ColumnMapping = m
	return
}

// Where add conditions
//
// See the [docs] for details on the various formats that where clauses can take. By default, where clauses chain with AND.
//