//===----------------------------------------------------------------------===//
//                         DuckDB
//
// duckdb/planner/operator/logical_limit.hpp
//
//
//===----------------------------------------------------------------------===//

#pragma once

#include "duckdb/planner/logical_operator.hpp"

namespace duckdb {

//! LogicalLimit represents a LIMIT clause
class LogicalLimit : public LogicalOperator {
public:
	static constexpr const LogicalOperatorType TYPE = LogicalOperatorType::LOGICAL_LIMIT;

public:
	LogicalLimit(int64_t limit_val, int64_t offset_val, unique_ptr<Expression> limit, unique_ptr<Expression> offset);

	//! Limit and offset values in case they are constants, used in optimizations.
	int64_t limit_val;
	int64_t offset_val;
	//! The maximum amount of elements to emit
	unique_ptr<Expression> limit;
	//! The offset from the start to begin emitting elements
	unique_ptr<Expression> offset;

public:
	vector<ColumnBinding> GetColumnBindings() override;
	idx_t EstimateCardinality(ClientContext &context) override;

	void Serialize(FieldWriter &writer) const override;
	static unique_ptr<LogicalOperator> Deserialize(LogicalDeserializationState &state, FieldReader &reader);

protected:
	void ResolveTypes() override;
};
} // namespace duckdb