small refactorings

ml_usql.cpp

@@ -19,8 +19,8 @@ MlValue uSQL::ivaluize(const usql::Table *table) {
 	for (auto row : table->m_rows) {
 		columns.clear();
 		for (int i = 0; i < table->columns_count(); i++) {
-			auto & c = row[i];
+			const auto & c = row[i];
-			auto type = table->m_col_defs[i].type;
+			const auto type = table->m_col_defs[i].type;
 			if (c.isNull()) {
 				columns.push_back(MlValue::nil());
 			} else if (type == ColumnType::integer_type || type == ColumnType::date_type) {

usql/table.cpp

@@ -333,8 +333,9 @@ Index * Table::get_index_for_column(const std::string &col_name) {
 	return (it != m_indexes.end()) ? &(*it) : nullptr;
 }
 
-bool Table::empty() {
+bool Table::empty() const {
 	if (m_rows.empty())	return true;
+
 	for (const auto & r : m_rows)
 		if (r.is_visible()) return false;
 

usql/table.h

@@ -59,7 +59,7 @@ struct Table {
 	Index * get_index(const std::string &index_name);
 	Index * get_index_for_column(const std::string &col_name);
 
-	bool empty();
+	bool empty() const;
 
 	struct rows_scanner {
 		explicit rows_scanner(Table *tbl) : m_use_rowids(false), m_table(tbl), m_fscan_itr(tbl->m_rows.begin()) {}

usql/usql_dml.cpp

@@ -4,6 +4,7 @@
 
 #include <algorithm>
 
+
 namespace usql {
 	
 

utils/local_install.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 gcc -std=c99 -c -O2 -o linenoise.o clib/linenoise.c
-c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib -I./ --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/tcpnet.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/settings.cpp
+c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib -I./ --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/tcpnet.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/usql_function.cpp usql/settings.cpp
 c++ -o ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl *.o
 
 cp stdlib/*.lsp /usr/local/var/mlisp/

utils/remote_install.sh

@@ -24,7 +24,7 @@ fi
 
 echo "Building ml"
 ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; gcc -std=c99 -c -O2 -o linenoise.o clib/linenoise.c"
-ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib -I./ --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp  clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/tcpnet.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/settings.cpp"
+ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib -I./ --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp  clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/tcpnet.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/usql_function.cpp usql/settings.cpp"
 ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; c++ -o ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl *.o"