public void TestDeleteMultiple()
{
testName = "TestDeleteMultiple";
SetUpTest(true);
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.ExtentSize = 1024;
dbConfig.Length = 270;
QueueDatabase db = QueueDatabase.Open(testHome + "/" +
testName + ".db", dbConfig);
List <uint> rList = new List <uint>();
List <DatabaseEntry> kList = new List <DatabaseEntry>();
List <DatabaseEntry> vList = new List <DatabaseEntry>();
DatabaseEntry key, data;
for (uint i = 1; i <= 100; i++)
{
key = new DatabaseEntry(BitConverter.GetBytes(i));
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes(
"data" + i.ToString() +
Configuration.RandomString(256)));
rList.Add(i);
kList.Add(key);
vList.Add(data);
db.Put(key, data);
}
// Bulk delete all records with recno in rList.
db.Delete(new MultipleDatabaseEntry(rList));
Cursor cursor = db.Cursor();
Assert.IsFalse(cursor.MoveFirst());
/*
* Bulk insert records whose key bulk buffer is
* constructed by recno lists, then delete all.
*/
db.Put(new MultipleDatabaseEntry(rList),
new MultipleDatabaseEntry(vList, false));
Assert.IsTrue(cursor.MoveFirst());
db.Delete(new MultipleDatabaseEntry(kList, true));
Assert.IsFalse(cursor.MoveFirst());
/*
* Bulk insert records whose key bulk buffer is
* constructed by DatabaseEntry lists, then delete all.
*/
db.Put(new MultipleDatabaseEntry(kList, true),
new MultipleDatabaseEntry(vList, false));
Assert.IsTrue(cursor.MoveFirst());
db.Delete(new MultipleDatabaseEntry(kList, true));
Assert.IsFalse(cursor.MoveFirst());
cursor.Close();
db.Close();
}
public void TestDeleteMultipleKey()
{
testName = "TestDeleteMultipleKey";
SetUpTest(true);
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.ExtentSize = 1024;
dbConfig.Length = 520;
QueueDatabase db = QueueDatabase.Open(testHome + "/" +
testName + ".db", dbConfig);
List <KeyValuePair <DatabaseEntry, DatabaseEntry> > pList =
new List <KeyValuePair <DatabaseEntry, DatabaseEntry> >();
DatabaseEntry key, data;
for (uint i = 1; i <= 100; i++)
{
key = new DatabaseEntry(
BitConverter.GetBytes(i));
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes(
"data" + i.ToString() +
Configuration.RandomString(512)));
pList.Add(new KeyValuePair <
DatabaseEntry, DatabaseEntry>(key, data));
db.Put(key, data);
}
// Create key/value pair bulk buffer and delete all.
db.Delete(new MultipleKeyDatabaseEntry(pList, true));
// Verify that the database is empty.
Assert.AreEqual(0, db.Truncate());
db.Close();
}