presto-main/src/main/java/io/prestosql/operator/DeleteOperator.java/DeleteOperator/DeleteOperator
class DeleteOperator:    public DeleteOperator(OperatorContext operatorContext, int rowIdChannel)
    {
        this.operatorContext = requireNonNull(operatorContext, "operatorContext is null");
        this.rowIdChannel = rowIdChannel;
    }