| 8 | using namespace std; |
| 9 | |
| 10 | void insert(database& db, bool is_null) { |
| 11 | int id = 1; |
| 12 | boost::optional<int> val; |
| 13 | if(!is_null) val = 5; |
| 14 | |
| 15 | db << "delete from test where id = 1"; |
| 16 | db << "insert into test(id,val) values(?,?)" << id << val; |
| 17 | } |
| 18 | |
| 19 | void select(database& db, bool should_be_null) { |
| 20 | db << "select id,val from test" >> [&](long long, boost::optional<int> val) { |