some TODO items squezed

table.cpp

@@ -147,7 +147,7 @@ void Table::create_row_from_vector(const std::vector<ColDefNode> &colDefs, const
 	commit_row(new_row);
 }
 
-	void Table::print() {
+void Table::print() {
 	std::string out{"| "};
 	std::string out2{"+-"};
 
@@ -261,7 +261,6 @@ bool Table::drop_index(const std::string &index_name) {
 	return false;
 }
 
-
 void Table::index_row(Index &index, const ColDefNode &col_def, const Row &row, const size_t rowid) {
 	index.insert(reinterpret_cast<ColValue *>(&row[col_def.order]), rowid);
 }
@@ -275,7 +274,6 @@ void Table::reindex_row(Index &index, const ColDefNode &col_def, const Row &old_
 	index_row(index, col_def, new_row, rowid);
 }
 
-
 void Table::index_row(const Row &row) {
 	if (!m_indexes.empty()) {
 		const size_t rowid = get_rowid(row);
@@ -306,7 +304,6 @@ void Table::reindex_row(const Row &old_row, const Row &new_row) {
 	}
 }
 
-
 void Table::index_rows(const std::string &index_name) {
 	auto index = get_index(index_name);
 
@@ -318,7 +315,6 @@ void Table::index_rows(const std::string &index_name) {
 	}
 }
 
-
 Index * Table::get_index(const std::string &index_name) {
 	auto it = std::find_if(m_indexes.begin(), m_indexes.end(),
 						   [&index_name](const Index &idx) {
@@ -337,6 +333,13 @@ Index * Table::get_index_for_column(const std::string &col_name) {
 	return (it != m_indexes.end()) ? &(*it) : nullptr;
 }
 
+bool Table::empty() {
+	if (m_rows.empty())	return true;
+	for (const auto & r : m_rows)
+		if (r.is_visible()) return false;
+
+	return true;
+}
 
 Row *Table::rows_scanner::next() {
 	if (m_use_rowids) {