mlisp/usql/row.cpp

89 lines
2.9 KiB
C++

#include "row.h"
namespace usql {
Row::Row(int cols_count) {
m_columns.reserve(cols_count);
for (int i = 0; i < cols_count; i++) {
m_columns.push_back(std::make_unique<ColValue>());
}
}
Row::Row(const Row &other) {
m_columns.reserve(other.m_columns.size());
// TODO fixme this is nonsense
for (int i = 0; i < other.m_columns.size(); i++) {
m_columns.push_back(std::make_unique<ColNullValue>());
}
for (int i = 0; i < other.m_columns.size(); i++) {
if (ColIntegerValue *other_v = dynamic_cast<ColIntegerValue *>(other.m_columns[i].get())) {
setColumnValue(i, other_v->getIntValue());
}
if (ColDoubleValue *other_v = dynamic_cast<ColDoubleValue *>(other.m_columns[i].get())) {
setColumnValue(i, other_v->getDoubleValue());
}
if (ColStringValue *other_v = dynamic_cast<ColStringValue *>(other.m_columns[i].get())) {
setColumnValue(i, other_v->getStringValue());
}
}
}
Row &Row::operator=(Row other) {
std::swap(m_columns, other.m_columns);
return *this;
}
void Row::setColumnNull(int col_index) {
m_columns[col_index] = std::make_unique<ColNullValue>();
}
void Row::setColumnValue(int col_index, long value) {
m_columns[col_index] = std::make_unique<ColIntegerValue>(value);
}
void Row::setColumnValue(int col_index, double value) {
m_columns[col_index] = std::make_unique<ColDoubleValue>(value);
}
void Row::setColumnValue(int col_index, const std::string &value) {
m_columns[col_index] = std::make_unique<ColStringValue>(value);
};
void Row::setColumnValue(ColDefNode *col_def, ColValue *col_value) {
if (!col_value->isNull()) {
if (col_def->type == ColumnType::integer_type)
setColumnValue(col_def->order, col_value->getIntValue());
else if (col_def->type == ColumnType::float_type)
setColumnValue(col_def->order, col_value->getDoubleValue());
else if (col_def->type == ColumnType::varchar_type)
setColumnValue(col_def->order, col_value->getStringValue());
} else {
setColumnNull(col_def->order);
}
}
void Row::setColumnValue(ColDefNode *col_def, ValueNode *col_value) {
if (!col_value->isNull()) {
if (col_def->type == ColumnType::integer_type)
setColumnValue(col_def->order, col_value->getIntValue());
else if (col_def->type == ColumnType::float_type)
setColumnValue(col_def->order, col_value->getDoubleValue());
else if (col_def->type == ColumnType::varchar_type)
setColumnValue(col_def->order, col_value->getStringValue());
} else {
setColumnNull(col_def->order);
}
}
void Row::print() {
for (int ci = 0; ci < m_columns.size(); ci++) {
if (ci > 0) std::cout << ",";
auto v = m_columns[ci]->getStringValue();
std::cout << v;
}
std::cout << std::endl;
}
}