public void TestMovePrevUnique()
{
testName = "TestMovePrevUnique";
SetUpTest(true);
string dbFileName = testHome + "/" + testName + ".db";
string dbSecFileName = testHome + "/" + testName +
"_sec.db";
BTreeDatabase db;
SecondaryBTreeDatabase secDB;
OpenSecDB(dbFileName, dbSecFileName, out db,
out secDB);
WriteRecords(db);
SecondaryCursor cursor = secDB.SecondaryCursor();
KeyValuePair <DatabaseEntry, KeyValuePair <
DatabaseEntry, DatabaseEntry> > pair;
DatabaseEntry pKey, pData;
pKey = new DatabaseEntry(BitConverter.GetBytes((int)6));
pData = new DatabaseEntry(BitConverter.GetBytes((int)10));
pair = new KeyValuePair <DatabaseEntry, KeyValuePair <
DatabaseEntry, DatabaseEntry> >(pData,
new KeyValuePair <DatabaseEntry, DatabaseEntry>(
pKey, pData));
cursor.Move(pair, true);
Assert.IsTrue(cursor.MovePrevUnique());
Assert.AreNotEqual(BitConverter.GetBytes((int)10),
cursor.Current.Key.Data);
cursor.Close();
secDB.Close();
db.Close();
}
public void TestMovePrevUniqueWithLockingInfo()
{
testName = "TestMovePrevUniqueWithLockingInfo";
testHome = testFixtureHome + "/" + testName;
string dbFileName = testName + ".db";
string dbSecFileName = testName + "_sec.db";
Configuration.ClearDir(testHome);
/*
* Open environment, primary database and
* secondary database.
*/
BTreeDatabase db;
DatabaseEnvironment env;
SecondaryBTreeDatabase secDB;
OpenSecDBInTxn(testHome, dbFileName,
dbSecFileName, out env, out db, out secDB);
// Write ten records into the database.
WriteRecordsInTxn(db, env);
Transaction cursorTxn = env.BeginTransaction();
SecondaryCursor cursor =
secDB.SecondaryCursor(cursorTxn);
LockingInfo lockingInfo = new LockingInfo();
lockingInfo.IsolationDegree = Isolation.DEGREE_TWO;
lockingInfo.ReadModifyWrite = true;
/*
* Move the cursor to the record(10, 6) and move to the
* previous unique record which has different key from
* the record(10,6).
*/
KeyValuePair <DatabaseEntry, KeyValuePair <
DatabaseEntry, DatabaseEntry> > pair;
DatabaseEntry pKey, pData;
pKey = new DatabaseEntry(BitConverter.GetBytes((int)6));
pData = new DatabaseEntry(BitConverter.GetBytes((int)10));
pair = new KeyValuePair <DatabaseEntry, KeyValuePair <
DatabaseEntry, DatabaseEntry> >(pData,
new KeyValuePair <DatabaseEntry, DatabaseEntry>(
pKey, pData));
cursor.Move(pair, true, lockingInfo);
Assert.IsTrue(cursor.MovePrevUnique(lockingInfo));
Assert.AreNotEqual(BitConverter.GetBytes((int)10),
cursor.Current.Key.Data);
cursor.Close();
cursorTxn.Commit();
// Close all.
secDB.Close();
db.Close();
env.Close();
}
