9inline const std::string kExecuteSpan{
"mysql_execute"};
10inline const std::string kTransactionSpan{
"mysql_transaction"};
11inline const std::string kQuerySpan{
"mysql_query"};
13inline const std::string kFetchScope{
"mysql_fetch"};
14inline const std::string kForEachScope{
"mysql_foreach"};
15inline const std::string kExecuteScope{
"mysql_statement_execute"};