public void TestStats()
{
testName = "TestStats";
SetUpTest(true);
string dbFileName = testHome + "/" +
testName + ".db";
RecnoDatabaseConfig dbConfig =
new RecnoDatabaseConfig();
ConfigCase1(dbConfig);
RecnoDatabase db = RecnoDatabase.Open(dbFileName,
dbConfig);
RecnoStats stats = db.Stats();
ConfirmStatsPart1Case1(stats);
// Put 1000 records into the database.
PutRecordCase1(db, null);
stats = db.Stats();
ConfirmStatsPart2Case1(stats);
// Delete 500 records.
for (int i = 250; i <= 750; i++)
{
db.Delete(new DatabaseEntry(BitConverter.GetBytes(i)));
}
stats = db.Stats();
ConfirmStatsPart3Case1(stats);
db.Close();
}
public void ModifyRecordsInDB(RecnoDatabase db,
Transaction txn)
{
uint[] recnos = new uint[100];
if (txn == null)
{
// Add a lot of records into database.
for (int i = 0; i < 100; i++)
{
recnos[i] = db.Append(new DatabaseEntry(
new byte[10240]));
}
// Remove some records from database.
for (int i = 30; i < 100; i++)
{
db.Delete(new DatabaseEntry(
BitConverter.GetBytes(recnos[i])));
}
}
else
{
// Add a lot of records into database in txn.
for (int i = 0; i < 100; i++)
{
recnos[i] = db.Append(new DatabaseEntry(
new byte[10240]), txn);
}
// Remove some records from database in txn.
for (int i = 30; i < 100; i++)
{
db.Delete(new DatabaseEntry(
BitConverter.GetBytes(recnos[i])), txn);
}
}
}
public void StatsInTxn(string home, string name, bool ifIsolation)
{
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
EnvConfigCase1(envConfig);
DatabaseEnvironment env = DatabaseEnvironment.Open(
home, envConfig);
Transaction openTxn = env.BeginTransaction();
RecnoDatabaseConfig dbConfig =
new RecnoDatabaseConfig();
ConfigCase1(dbConfig);
dbConfig.Env = env;
RecnoDatabase db = RecnoDatabase.Open(name + ".db",
dbConfig, openTxn);
openTxn.Commit();
Transaction statsTxn = env.BeginTransaction();
RecnoStats stats;
RecnoStats fastStats;
if (ifIsolation == false)
{
stats = db.Stats(statsTxn);
fastStats = db.FastStats(statsTxn);
}
else
{
stats = db.Stats(statsTxn, Isolation.DEGREE_ONE);
fastStats = db.FastStats(statsTxn,
Isolation.DEGREE_ONE);
}
ConfirmStatsPart1Case1(stats);
// Put 1000 records into the database.
PutRecordCase1(db, statsTxn);
if (ifIsolation == false)
{
stats = db.Stats(statsTxn);
fastStats = db.FastStats(statsTxn);
}
else
{
stats = db.Stats(statsTxn, Isolation.DEGREE_TWO);
fastStats = db.FastStats(statsTxn,
Isolation.DEGREE_TWO);
}
ConfirmStatsPart2Case1(stats);
// Delete 500 records.
for (int i = 250; i <= 750; i++)
{
db.Delete(new DatabaseEntry(BitConverter.GetBytes(i)),
statsTxn);
}
if (ifIsolation == false)
{
stats = db.Stats(statsTxn);
fastStats = db.FastStats(statsTxn);
}
else
{
stats = db.Stats(statsTxn, Isolation.DEGREE_THREE);
fastStats = db.FastStats(statsTxn,
Isolation.DEGREE_THREE);
}
ConfirmStatsPart3Case1(stats);
statsTxn.Commit();
db.Close();
env.Close();
}