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cvk
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Joined: 06 Jan 2003
Posts: 314
Location: Our house, in the middle of our street
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 Posted: Thu Oct 02, 2003 3:08 pm Post subject: Error compiling programs with mysql++ |
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I'm currently trying to connect to a mysql-db using mysql++ 1.7.9-r2, but I always get a weird error:
| Code: | 15: Connection con("test");
16: Query query = con.query();
17: query << "select bar from baz"; |
| Code: | * compiling sqltest.cpp (g++)
* sqltest.cpp:17: error: ISO C++ says that ` std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*) [with _Traits = std::char_traits<char>]' and ` SQLQuery& operator<<(SQLQuery&, const mysql_ColData<const_string>&)' are ambiguous even though the worst conversion for the former is better than the worst conversion for the latter
* sqltest.cpp:17: error: ISO C++ says that ` std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*) [with _Traits = std::char_traits<char>]' and ` SQLQuery& operator<<(SQLQuery&, const mysql_ColData<std::string>&)' are ambiguous even though the worst conversion for the former is better than the worst conversion for the latter
* *** Exited with status: 2 *** |
I've tried compiling it with gcc 3.3.1-r4 and gcc 3.2.3-r2 without any luck...
Regards,
Chris
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Starfox
Tux's lil' helper
Joined: 04 Sep 2002
Posts: 93
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| Posted: Fri Oct 03, 2003 12:39 pm Post subject: |
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Hi, please check your namespaces, i think i had a similar problem when using wrong namespaces! I that will not help try:
string str = "sqlstring";
query << str;
that always works for me.
bye fox |
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cvk
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Joined: 06 Jan 2003
Posts: 314
Location: Our house, in the middle of our street
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| Posted: Sat Oct 04, 2003 5:47 pm Post subject: |
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| Code: | string sql="foo";
query << sql; |
It works now, but what should I check about my namespaces (c++ noob without a clue here  )
Chris
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