Exemple #1
0
func getInsertPKValues(pkColumnNumbers []int, rowList sqlparser.Values, tableInfo *schema.Table) (pkValues []interface{}, err error) {
	pkValues = make([]interface{}, len(pkColumnNumbers))
	for index, columnNumber := range pkColumnNumbers {
		if columnNumber == -1 {
			pkValues[index] = tableInfo.GetPKColumn(index).Default
			continue
		}
		values := make([]interface{}, len(rowList))
		for j := 0; j < len(rowList); j++ {
			if _, ok := rowList[j].(*sqlparser.Subquery); ok {
				return nil, errors.New("row subquery not supported for inserts")
			}
			row := rowList[j].(sqlparser.ValTuple)
			if columnNumber >= len(row) {
				return nil, errors.New("column count doesn't match value count")
			}
			node := row[columnNumber]
			if !sqlparser.IsValue(node) {
				log.Warningf("insert is too complex %v", node)
				return nil, nil
			}
			var err error
			values[j], err = sqlparser.AsInterface(node)
			if err != nil {
				return nil, err
			}
		}
		if len(values) == 1 {
			pkValues[index] = values[0]
		} else {
			pkValues[index] = values
		}
	}
	return pkValues, nil
}