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#include <iostream>
#include "test_helpers.hxx"
using namespace PGSTD;
using namespace pqxx;
// Example program for libpqxx. Test local variable functionality.
namespace
{
string GetDatestyle(transaction_base &T)
{
return T.get_variable("DATESTYLE");
}
string SetDatestyle(transaction_base &T, string style)
{
T.set_variable("DATESTYLE", style);
const string fullname = GetDatestyle(T);
cout << "Set datestyle to " << style << ": " << fullname << endl;
PQXX_CHECK(
!fullname.empty(),
"Setting datestyle to " + style + " makes it an empty string.");
return fullname;
}
void RedoDatestyle(transaction_base &T, string style, string expected)
{
PQXX_CHECK_EQUAL(SetDatestyle(T, style), expected, "Set wrong datestyle.");
}
void test_061(transaction_base &T)
{
PQXX_CHECK(!GetDatestyle(T).empty(), "Initial datestyle not set.");
const string ISOname = SetDatestyle(T, "ISO");
const string SQLname = SetDatestyle(T, "SQL");
PQXX_CHECK_NOT_EQUAL(ISOname, SQLname, "Same datestyle in SQL and ISO.");
RedoDatestyle(T, "SQL", SQLname);
// Prove that setting an unknown variable causes an error, as expected
quiet_errorhandler d(T.conn());
PQXX_CHECK_THROWS(
T.set_variable("NONEXISTENT_VARIABLE_I_HOPE", "1"),
sql_error,
"Setting unknown variable failed to fail.");
}
} // namespace
PQXX_REGISTER_TEST(test_061)
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