Delete and re-add libpqxx-7.7.3 due to weird corruption.

ext/libpqxx-7.7.3/test/test39.cxx

@@ -1,89 +0,0 @@
-#include <pqxx/nontransaction>
-
-#include "test_helpers.hxx"
-
-using namespace pqxx;
-
-
-// Test: nontransaction changes are committed immediately.
-namespace
-{
-int BoringYear{1977};
-
-
-void test_039()
-{
-  connection conn;
-  nontransaction tx1{conn};
-  test::create_pqxxevents(tx1);
-  std::string const Table{"pqxxevents"};
-
-  // Verify our start condition before beginning: there must not be a 1977
-  // record already.
-  result R(tx1.exec(
-    "SELECT * FROM " + Table +
-    " "
-    "WHERE year=" +
-    to_string(BoringYear)));
-
-  PQXX_CHECK_EQUAL(
-    std::size(R), 0,
-    "Already have a row for " + to_string(BoringYear) + ", cannot test.");
-
-  // (Not needed, but verify that clear() works on empty containers)
-  R.clear();
-  PQXX_CHECK(std::empty(R), "Result is non-empty after clear().");
-
-  // OK.  Having laid that worry to rest, add a record for 1977.
-  tx1.exec0(
-    "INSERT INTO " + Table +
-    " VALUES"
-    "(" +
-    to_string(BoringYear) +
-    ","
-    "'Yawn'"
-    ")");
-
-  // Abort tx1.  Since tx1 is a nontransaction, which provides only the
-  // transaction class interface without providing any form of transactional
-  // integrity, this is not going to undo our work.
-  tx1.abort();
-
-  // Verify that our record was added, despite the Abort()
-  nontransaction tx2(conn, "tx2");
-  R = tx2.exec(
-    "SELECT * FROM " + Table +
-    " "
-    "WHERE year=" +
-    to_string(BoringYear));
-  PQXX_CHECK_EQUAL(std::size(R), 1, "Unexpected result size.");
-
-  PQXX_CHECK(R.capacity() >= std::size(R), "Result's capacity is too small.");
-
-  R.clear();
-  PQXX_CHECK(std::empty(R), "result::clear() is broken.");
-
-  // Now remove our record again
-  tx2.exec0(
-    "DELETE FROM " + Table +
-    " "
-    "WHERE year=" +
-    to_string(BoringYear));
-
-  tx2.commit();
-
-  // And again, verify results
-  nontransaction tx3(conn, "tx3");
-
-  R = tx3.exec(
-    "SELECT * FROM " + Table +
-    " "
-    "WHERE year=" +
-    to_string(BoringYear));
-
-  PQXX_CHECK_EQUAL(std::size(R), 0, "Record is not gone as expected.");
-}
-
-
-PQXX_REGISTER_TEST(test_039);
-} // namespace