usql update

usql is still very primitive..it just barely works

usql/table.cpp

@@ -3,45 +3,71 @@
 
 namespace usql {
 
-    Table::Table(const std::string name, const std::vector<ColDefNode> columns) {
-	    m_name = name;
-	    m_col_defs = columns;
-	    m_rows.clear();
-    }
+Table::Table(const std::string name, const std::vector<ColDefNode> columns) {
+	m_name = name;
+	m_col_defs = columns;
+	m_rows.clear();
+}
 
-    ColDefNode Table::get_column_def(const std::string &col_name) {
-	    auto name_cmp = [col_name](ColDefNode cd) { return cd.name == col_name; };
-	    auto col_def = std::find_if(begin(m_col_defs), end(m_col_defs), name_cmp);
-	    if (col_def != std::end(m_col_defs)) {
-		    return *col_def;
-	    } else {
-		    throw Exception("column not exists (" + col_name + ")");
-	    }
-    }
+ColDefNode Table::get_column_def(const std::string &col_name) {
+	auto name_cmp = [col_name](ColDefNode cd) { return cd.name == col_name; };
+	auto col_def = std::find_if(begin(m_col_defs), end(m_col_defs), name_cmp);
+	if (col_def != std::end(m_col_defs)) {
+		return *col_def;
+	} else {
+		throw Exception("column not exists (" + col_name + ")");
+	}
+}
 
 
-    Row Table::createEmptyRow() {
-	    return Row(columns_count());
-    }
+Row Table::createEmptyRow() {
+	return Row(columns_count());
+}
 
 
-    void Table::print() {
-	    std::cout << "** " << m_name << " **" << std::endl;
-	    for (auto row : m_rows) {
-		    row.print();
-	    }
-    }
+void Table::print() {
+	std::cout << "** " << m_name << " **" << std::endl;
+	for (auto row : m_rows) {
+		row.print();
+	}
+}
 
-    Table::Table(const Table &other) {
-	    m_name = other.m_name;
-	    m_col_defs = other.m_col_defs;
-	    m_rows.clear();  // row not copied now
-    }
+Table::Table(const Table &other) {
+	m_name = other.m_name;
+	m_col_defs = other.m_col_defs;
+	for(const Row& orig_row : other.m_rows) {
+		addCopyOfRow(orig_row);
+	}
+}
 
-    void Table::addRow(const Row &row) {
-	    // TODO validate for not null values
-	    // todo validate for length etc
-	    m_rows.push_back(row);
-    }
+void Table::addRow(const Row &row) {
+	// TODO validate for not null values
+	// todo validate for length etc
+	m_rows.push_back(row);
+}
 
-}
+void Table::addCopyOfRow(const Row &row) {
+	// TODO validate for not null values
+	// todo validate for length etc
+
+	Row new_row = createEmptyRow();
+
+	for(int i = 0; i < m_col_defs.size(); i++) {
+		ColValue *ct = row.ithColumn(i);
+
+		if (ct->isNull()) {
+			new_row.setColumnNull(i);
+		} else {
+			if (m_col_defs[i].type == ColumnType::integer_type) {
+				new_row.setColumnValue(i, row.ithColumn(i)->getIntValue());
+			} else if (m_col_defs[i].type == ColumnType::float_type) {
+				new_row.setColumnValue(i, row.ithColumn(i)->getDoubleValue());
+			} else if (m_col_defs[i].type == ColumnType::varchar_type) {
+				new_row.setColumnValue(i, row.ithColumn(i)->getStringValue());
+			}
+		}
+	}
+	m_rows.push_back(row);
+}
+
+}	// namespace