use std::fmt::Debug;

use crate::core::error::{Error, Result};

/// Optimized DataFrame implementation
#[derive(Debug, Clone)]
pub struct OptimizedDataFrame {
    // This is a stub implementation - we'll develop this further
}

impl OptimizedDataFrame {
    /// Create a new empty OptimizedDataFrame
    pub fn new() -> Self {
        Self {}
    }
}

// Default trait implementation
impl Default for OptimizedDataFrame {
    fn default() -> Self {
        Self::new()
    }
}

// Re-export from legacy module for backward compatibility
#[deprecated(
    since = "0.1.0",
    note = "Use crate::dataframe::optimized::OptimizedDataFrame"
)]
pub use crate::optimized::OptimizedDataFrame as LegacyOptimizedDataFrame;

#[deprecated(since = "0.1.0", note = "Use crate::compute::lazy::LazyFrame")]
pub use crate::optimized::LazyFrame;

#[deprecated(since = "0.1.0", note = "Use crate::dataframe::optimized::AggregateOp")]
pub use crate::optimized::AggregateOp;
