@Test
public void testGetSliceWithCollision() throws Exception {
Keyspace keyspace = Keyspace.open(KEYSPACE);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(CF);
cfs.clearUnsafe();
insert("k1", "k2", "k3"); // token = 2
insert("key1", "key2", "key3"); // token = 4
insert("longKey1", "longKey2"); // token = 8
List<Row> rows =
cfs.getRangeSlice(
new Bounds<RowPosition>(dk("k2"), dk("key2")), null, new IdentityQueryFilter(), 10000);
assert rows.size() == 4 : "Expecting 4 keys, got " + rows.size();
assert rows.get(0).key.key.equals(ByteBufferUtil.bytes("k2"));
assert rows.get(1).key.key.equals(ByteBufferUtil.bytes("k3"));
assert rows.get(2).key.key.equals(ByteBufferUtil.bytes("key1"));
assert rows.get(3).key.key.equals(ByteBufferUtil.bytes("key2"));
}
/**
* Writes out a bunch of mutations for a single column family.
*
* @param mutations A group of Mutations for the same keyspace and column family.
* @return The ColumnFamilyStore that was used.
*/
public static ColumnFamilyStore writeColumnFamily(List<Mutation> mutations) {
IMutation first = mutations.get(0);
String keyspaceName = first.getKeyspaceName();
UUID cfid = first.getColumnFamilyIds().iterator().next();
for (Mutation rm : mutations) rm.applyUnsafe();
ColumnFamilyStore store = Keyspace.open(keyspaceName).getColumnFamilyStore(cfid);
store.forceBlockingFlush();
return store;
}
public static ColumnFamily getColumnFamily(Keyspace keyspace, DecoratedKey key, String cfName) {
ColumnFamilyStore cfStore = keyspace.getColumnFamilyStore(cfName);
assert cfStore != null : "Table " + cfName + " has not been defined";
return cfStore.getColumnFamily(
QueryFilter.getIdentityFilter(key, cfName, System.currentTimeMillis()));
}