95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
#pragma once
|
|
|
|
#include "exception.h"
|
|
#include "parser.h"
|
|
|
|
#include <vector>
|
|
|
|
namespace usql {
|
|
|
|
|
|
struct ColValue {
|
|
|
|
virtual bool isNull() { return false; };
|
|
virtual long getIntValue() { throw Exception("Not supported"); };
|
|
virtual double getDoubleValue() { throw Exception("Not supported"); };
|
|
virtual std::string getStringValue() { throw Exception("Not supported"); };
|
|
};
|
|
|
|
|
|
struct ColNullValue : ColValue {
|
|
|
|
virtual bool isNull() { return true; };
|
|
virtual std::string getStringValue() { return "null"; };
|
|
};
|
|
|
|
|
|
struct ColIntegerValue : ColValue {
|
|
|
|
ColIntegerValue(long value) : m_integer(value) {};
|
|
ColIntegerValue(const ColIntegerValue &other) : m_integer(other.m_integer) {};
|
|
|
|
virtual long getIntValue() { return m_integer; };
|
|
virtual double getDoubleValue() { return (double) m_integer; };
|
|
virtual std::string getStringValue() { return std::to_string(m_integer); };
|
|
|
|
int m_integer;
|
|
};
|
|
|
|
|
|
struct ColDoubleValue : ColValue {
|
|
|
|
ColDoubleValue(double value) : m_double(value) {};
|
|
ColDoubleValue(const ColDoubleValue &other) : m_double(other.m_double) {}
|
|
|
|
virtual long getIntValue() { return (long) m_double; };
|
|
virtual double getDoubleValue() { return m_double; };
|
|
virtual std::string getStringValue() { return std::to_string(m_double); };
|
|
|
|
double m_double;
|
|
};
|
|
|
|
|
|
struct ColStringValue : ColValue {
|
|
|
|
ColStringValue(const std::string value) : m_string(value) {};
|
|
ColStringValue(const ColStringValue &other) : m_string(other.m_string) {};
|
|
|
|
virtual long getIntValue() { return std::stoi(m_string); };
|
|
virtual double getDoubleValue() { return std::stod(m_string); };
|
|
virtual std::string getStringValue() { return m_string; };
|
|
|
|
std::string m_string;
|
|
};
|
|
|
|
|
|
class Row {
|
|
|
|
public:
|
|
Row(int cols_count);
|
|
Row(const Row &other);
|
|
|
|
Row &operator=(Row other);
|
|
|
|
void setColumnNull(int col_index);
|
|
void setColumnValue(int col_index, long value);
|
|
void setColumnValue(int col_index, double value);
|
|
void setColumnValue(int col_index, const std::string &value);
|
|
void setColumnValue(ColDefNode *col_def, ColValue *col_value);
|
|
void setColumnValue(ColDefNode *col_def, ValueNode *col_value);
|
|
|
|
ColValue &operator[](int i) {
|
|
return *m_columns[i];
|
|
}
|
|
|
|
ColValue * ith_column(int i) const {
|
|
return m_columns[i].get();
|
|
}
|
|
|
|
void print();
|
|
|
|
private:
|
|
std::vector<std::unique_ptr<ColValue>> m_columns;
|
|
};
|
|
|
|
} // namespace
|