Method lookupStructFieldPtrs

x/sqlx/sqlx.go:188–214

(typ reflect.Type, val reflect.Value, columnTypes []*sql.ColumnType)

}

func (r *Row) lookupStructFieldPtrs(typ reflect.Type, val reflect.Value, columnTypes []*sql.ColumnType) ([]interface{}, error) {
	fieldPtrs := make([]interface{}, 0, len(columnTypes))

	for _, columnType := range columnTypes {
		columnName := columnType.Name()
		tableColumn, ok := r.Columns[columnName]
		if !ok {
			continue
		}

		// TODO: when go 1.18 released, replace with that:
		/*
			tableColumnField, err := val.FieldByIndexErr(tableColumn.FieldIndex)
			if err != nil {
				return nil, fmt.Errorf("column: %q: %w", tableColumn.Name, err)
			}
		*/
		tableColumnField := val.FieldByIndex(tableColumn.FieldIndex)

		tableColumnFieldType := tableColumnField.Type()

		fieldPtr := reflect.NewAt(tableColumnFieldType, unsafe.Pointer(tableColumnField.UnsafeAddr())).Elem().Addr().Interface()
		fieldPtrs = append(fieldPtrs, fieldPtr)
	}

	return fieldPtrs, nil
}