Replace QueryFunc with ForEachScannedRow

batch.go

@@ -42,9 +42,6 @@ type BatchResults interface {
 	// QueryRow reads the results from the next query in the batch as if the query has been sent with Conn.QueryRow.
 	QueryRow() Row
 
-	// QueryFunc reads the results from the next query in the batch as if the query has been sent with Conn.QueryFunc.
-	QueryFunc(scans []any, f func(QueryFuncRow) error) (pgconn.CommandTag, error)
-
 	// Close closes the batch operation. This must be called before the underlying connection can be used again. Any error
 	// that occurred during a batch operation may have made it impossible to resyncronize the connection with the server.
 	// In this case the underlying connection will have been closed. Close is safe to call multiple times.
@@ -148,37 +145,6 @@ func (br *batchResults) Query() (Rows, error) {
 	return rows, nil
 }
 
-// QueryFunc reads the results from the next query in the batch as if the query has been sent with Conn.QueryFunc.
-func (br *batchResults) QueryFunc(scans []any, f func(QueryFuncRow) error) (pgconn.CommandTag, error) {
-	if br.closed {
-		return pgconn.CommandTag{}, fmt.Errorf("batch already closed")
-	}
-
-	rows, err := br.Query()
-	if err != nil {
-		return pgconn.CommandTag{}, err
-	}
-	defer rows.Close()
-
-	for rows.Next() {
-		err = rows.Scan(scans...)
-		if err != nil {
-			return pgconn.CommandTag{}, err
-		}
-
-		err = f(rows)
-		if err != nil {
-			return pgconn.CommandTag{}, err
-		}
-	}
-
-	if err := rows.Err(); err != nil {
-		return pgconn.CommandTag{}, err
-	}
-
-	return rows.CommandTag(), nil
-}
-
 // QueryRow reads the results from the next query in the batch as if the query has been sent with QueryRow.
 func (br *batchResults) QueryRow() Row {
 	rows, _ := br.Query()