another ugly basic implementation

row.cpp

@@ -0,0 +1,48 @@
+
+#include "row.h"
+
+
+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->integerValue());
+        }
+        if (ColFloatValue* other_v = dynamic_cast<ColFloatValue*>(other.m_columns[i].get())) {
+            setColumnValue(i, other_v->floatValue());
+        }
+        if (ColStringValue* other_v = dynamic_cast<ColStringValue*>(other.m_columns[i].get())) {
+            setColumnValue(i, other_v->stringValue());
+        }
+    }
+}
+
+void Row::setColumnValue(int col_index, int 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<ColFloatValue>(value);
+}
+
+void Row::setColumnValue(int col_index, std::string value) {
+    m_columns[col_index] = std::make_unique<ColStringValue>(value);
+};
+
+void Row::print() {
+    for(int i=0; i<m_columns.size(); i++) {
+        m_columns[i].get()->print();
+    }
+}