Optimize csv_parser

Desbordante · Dec 18, 2023 · 450a180 · 450a180
1 parent 320e0a2
commit 450a180
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/core/parser/csv_parser/csv_parser.cpp b/src/core/parser/csv_parser/csv_parser.cpp
@@ -111,6 +111,7 @@ std::string CSVParser::GetUnparsedLine(const unsigned long long line_index) {
 
 std::vector<std::string> CSVParser::ParseString(const std::string& s) const {
     std::vector<std::string> tokens;
+    tokens.reserve(number_of_columns_);
     boost::escaped_list_separator<char> list_sep(escape_symbol_, separator_, quote_);
     boost::tokenizer<boost::escaped_list_separator<char>> tokenizer(s, list_sep);