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#include <iostream>
#include "test_helpers.hxx"
using namespace PGSTD;
using namespace pqxx;
// Test program for libpqxx. Test error handling for pipeline.
namespace
{
void test_072(transaction_base &W)
{
pipeline P(W);
// Ensure all queries are issued at once to make the test more interesting
P.retain();
// The middle query should fail; the surrounding two should succeed
const pipeline::query_id id_1 = P.insert("SELECT 1");
const pipeline::query_id id_f = P.insert("SELECT * FROM pg_nonexist");
const pipeline::query_id id_2 = P.insert("SELECT 2");
// See that we can process the queries without stumbling over the error
P.complete();
// We should be able to get the first result, which preceeds the error
cout << "Retrieving initial result..." << endl;
const int res_1 = P.retrieve(id_1).at(0).at(0).as<int>();
cout << " - result was " << res_1 << endl;
PQXX_CHECK_EQUAL(res_1, 1, "Got wrong result from pipeline.");
// We should *not* get a result for the query behind the error
cout << "Retrieving post-error result..." << endl;
{
quiet_errorhandler d(W.conn());
PQXX_CHECK_THROWS(
P.retrieve(id_2).at(0).at(0).as<int>(),
runtime_error,
"Pipeline wrongly resumed after SQL error.");
}
// Now see that we get an exception when we touch the failed result
cout << "Retrieving result for failed query..." << endl;
{
quiet_errorhandler d(W.conn());
PQXX_CHECK_THROWS(
P.retrieve(id_f),
sql_error,
"Pipeline failed to register SQL error.");
}
}
} // namespace
PQXX_REGISTER_TEST_CT(test_072, asyncconnection, nontransaction)
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