I have:
string strQuery = "select count(distinct tx_hash) as b_tx_count, ";
strQuery += "IFNULL(sum(amount),0) as b_turnover_btc,
IFNULL(sum(usd_value),0.0) as b_turnover_usd ";
strQuery += "from " + dbParams.transactionsTabName;
......
rowset<row> rsA = (sql.prepare << strQuery.c_str());
cout << "0 ";
string sss = rsA.begin()->get<string>(1);
cout << "1 ";
is bad_cast
although is
- element 1 - are 3 columns
- IFNULL - not null
- cast to string - always is possible cast to string?
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