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#include <iostream>
#include <sstream>
#include "test_helpers.hxx"
using namespace PGSTD;
using namespace pqxx;
// Test program for libpqxx: write large object to test files.
namespace
{
const string Contents = "Large object test contents";
class CreateLargeObject : public transactor<>
{
public:
explicit CreateLargeObject(largeobject &O) :
transactor<>("CreateLargeObject"),
m_Object(),
m_ObjectOutput(O)
{
}
void operator()(argument_type &T)
{
m_Object = largeobject(T);
cout << "Created large object #" << m_Object.id() << endl;
}
void on_commit()
{
m_ObjectOutput = m_Object;
}
private:
largeobject m_Object;
largeobject &m_ObjectOutput;
};
class WriteLargeObject : public transactor<>
{
public:
explicit WriteLargeObject(largeobject &O) :
transactor<>("WriteLargeObject"),
m_Object(O)
{
}
void operator()(argument_type &T)
{
largeobjectaccess A(T, m_Object.id(), ios::out);
cout << "Writing to large object #" << largeobject(A).id() << endl;
A.write(Contents);
}
private:
largeobject m_Object;
};
class CopyLargeObject : public transactor<>
{
public:
explicit CopyLargeObject(largeobject O) : m_Object(O) {}
void operator()(argument_type &T)
{
m_Object.to_file(T, "pqxxlo.txt");
}
private:
largeobject m_Object;
};
class DeleteLargeObject : public transactor<>
{
public:
explicit DeleteLargeObject(largeobject O) : m_Object(O) {}
void operator()(argument_type &T)
{
m_Object.remove(T);
}
private:
largeobject m_Object;
};
void test_052(transaction_base &orgT)
{
connection_base &C(orgT.conn());
orgT.abort();
largeobject Obj;
C.perform(CreateLargeObject(Obj));
C.perform(WriteLargeObject(Obj));
C.perform(CopyLargeObject(Obj));
C.perform(DeleteLargeObject(Obj));
}
} // namespace
PQXX_REGISTER_TEST_T(test_052, nontransaction)
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