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// file : common/query/array/driver.cxx
// license : GNU GPL v2; see accompanying LICENSE file
// Test query support for C arrays.
//
#include <string>
#include <memory> // std::unique_ptr
#include <cstring> // std::memcpy
#include <iostream>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <libcommon/config.hxx> // DATABASE_*
#include <libcommon/common.hxx>
#include "test.hxx"
#include "test-odb.hxx"
#undef NDEBUG
#include <cassert>
using namespace std;
using namespace odb::core;
#ifndef MULTI_DATABASE
# if defined(DATABASE_MYSQL)
const odb::mysql::database_type_id bt = odb::mysql::id_blob;
# elif defined(DATABASE_SQLITE)
const odb::sqlite::database_type_id bt = odb::sqlite::id_blob;
# elif defined(DATABASE_PGSQL)
const odb::pgsql::database_type_id bt = odb::pgsql::id_bytea;
# elif defined(DATABASE_ORACLE)
const odb::oracle::database_type_id bt = odb::oracle::id_raw;
# elif defined(DATABASE_MSSQL)
const odb::mssql::database_type_id bt = odb::mssql::id_binary;
# else
# error unknown database
# endif
#endif
int
main (int argc, char* argv[])
{
try
{
unique_ptr<database> db (create_database (argc, argv));
typedef odb::query<object> query;
const char buf[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6};
//
//
{
object o1 (1, "abc", buf);
object o2 (2, "bcd", buf);
object o3 (3, "cde", buf);
transaction t (db->begin ());
db->persist (o1);
db->persist (o2);
db->persist (o3);
t.commit ();
}
{
transaction t (db->begin ());
// string
//
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::s == "abc")) == 1);
assert (size (db->query<object> (query::s == query::_val ("bcd"))) == 1);
assert (size (db->query<object> ("s = " + query::_val ("bcd"))) == 1);
assert (size (db->query<object> ("s = " + query::_ref ("bcd"))) == 1);
#endif
{
char a[] = "bcd";
char* ra = a;
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::s == a)) == 1);
assert (size (db->query<object> (query::s == query::_val (a))) == 1);
#endif
assert (size (db->query<object> (query::s == query::_ref (ra))) == 1);
#ifndef MULTI_DATABASE
assert (size (db->query<object> ("s = " + query::_val (a))) == 1);
assert (size (db->query<object> ("s = " + query::_ref (a))) == 1);
#endif
}
{
const char a[] = "bcd";
const char* ra = a;
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::s == a)) == 1);
assert (size (db->query<object> (query::s == query::_val (a))) == 1);
#endif
assert (size (db->query<object> (query::s == query::_ref (ra))) == 1);
#ifndef MULTI_DATABASE
assert (size (db->query<object> ("s = " + query::_val (a))) == 1);
assert (size (db->query<object> ("s = " + query::_ref (a))) == 1);
#endif
}
{
const char* p = "cde";
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::s == p)) == 1);
assert (size (db->query<object> (query::s == query::_val (p))) == 1);
#endif
assert (size (db->query<object> (query::s == query::_ref (p))) == 1);
#ifndef MULTI_DATABASE
assert (size (db->query<object> ("s = " + query::_val (p))) == 1);
assert (size (db->query<object> ("s = " + query::_ref (p))) == 1);
#endif
}
{
char a[] = "cde";
char* p = a;
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::s == p)) == 1);
assert (size (db->query<object> (query::s == query::_val (p))) == 1);
#endif
assert (size (db->query<object> (query::s == query::_ref (p))) == 1);
#ifndef MULTI_DATABASE
assert (size (db->query<object> ("s = " + query::_val (p))) == 1);
assert (size (db->query<object> ("s = " + query::_ref (p))) == 1);
#endif
}
#ifndef MULTI_DATABASE
string s ("abc");
//assert (size (db->query<object> (query::s == s)) == 1);
assert (size (db->query<object> (query::s == s.c_str ())) == 1);
//assert (size (db->query<object> (query::s == query::_val (s))) == 1);
assert (size (db->query<object> (query::s == query::_val (s.c_str ()))) == 1);
assert (size (db->query<object> ("s = " + query::_val (s))) == 1);
assert (size (db->query<object> ("s = " + query::_ref (s))) == 1);
#endif
// @@ BUILD2 Ends up with the following warning, but strangely only in the
// multi-database mode:
//
// In file included from odb/odb-tests/common/query/array/test-odb.hxx:31,
// from odb/odb-tests/common/query/array/driver.cxx:20:
// odb/libodb/odb/query-dynamic.hxx: In instantiation of ‘odb::query_base odb::query_column<T>::operator==(const odb::query_column<T2>&) const [with T2 = char [17]; T = char [17]]’:
// odb/odb-tests/common/query/array/driver.cxx:144:7: required from here
// odb/libodb/odb/query-dynamic.hxx:895:43: error: comparison between two arrays is deprecated in C++20 [-Werror=array-compare]
// 895 | (void) (sizeof (type_instance<T> () == type_instance<T2> ()));
// | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
// odb/libodb/odb/query-dynamic.hxx:895:43: note: use unary ‘+’ which decays operands to pointers or ‘&‘indirect_ref’ not supported by dump_decl<declaration error>[0] == &‘indirect_ref’ not supported by dump_decl<declaration error>[0]’ to compare the addresses
//
// Looks like compile-time assertion. Doesn't make much sense for
// arrays since compares pointers to objects rather than objects.
// Should we somehow suppress the assertion for arrays or similar?
//
// Note: temporarily ifndef-ed.
//
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::s == query::s1)) == 3);
#endif
// std::array
//
array<char, 17> a;
memcpy (a.data (), "abc", 4); // VC++ strcpy deprecation.
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::a == a)) == 1);
assert (size (db->query<object> (query::a == query::_val (a))) == 1);
#endif
assert (size (db->query<object> (query::a == query::_ref (a))) == 1);
#ifndef MULTI_DATABASE
assert (size (db->query<object> ("a = " + query::_val (a))) == 1);
assert (size (db->query<object> ("a = " + query::_ref (a))) == 1);
#endif
// char
//
assert (size (db->query<object> (query::c == 'a')) == 1);
char c ('b');
assert (size (db->query<object> (query::c == query::_val (c))) == 1);
assert (size (db->query<object> (query::c == query::_ref (c))) == 1);
#ifndef MULTI_DATABASE
assert (size (db->query<object> ("c = " + query::_val ('c'))) == 1);
assert (size (db->query<object> ("c = " + query::_ref (c))) == 1);
#endif
assert (size (db->query<object> (query::c == query::c1)) == 3);
// buffer
//
#ifndef MULTI_DATABASE
assert (size (db->query<object> (query::b == buf)) == 3);
assert (size (db->query<object> (query::b == query::_val (buf))) == 3);
#endif
assert (size (db->query<object> (query::b == query::_ref (buf))) == 3);
#ifndef MULTI_DATABASE
assert (size (db->query<object> ("b = " + query::_val<bt> (buf))) == 3);
assert (size (db->query<object> ("b = " + query::_ref<bt> (buf))) == 3);
#endif
t.commit ();
}
}
catch (const odb::exception& e)
{
cerr << e.what () << endl;
return 1;
}
}
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