public RowMutation dropFromSchema(long timestamp) {
RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, SystemTable.getSchemaKSKey(name));
rm.delete(new QueryPath(SystemTable.SCHEMA_KEYSPACES_CF), timestamp);
rm.delete(new QueryPath(SystemTable.SCHEMA_COLUMNFAMILIES_CF), timestamp);
rm.delete(new QueryPath(SystemTable.SCHEMA_COLUMNS_CF), timestamp);
return rm;
}
private void testDontPurgeAccidentaly(String k, String cfname)
throws IOException, ExecutionException, InterruptedException {
// This test catches the regression of CASSANDRA-2786
Keyspace keyspace = Keyspace.open(KEYSPACE1);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(cfname);
// disable compaction while flushing
cfs.clearUnsafe();
cfs.disableAutoCompaction();
// Add test row
DecoratedKey key = Util.dk(k);
RowMutation rm = new RowMutation(KEYSPACE1, key.key);
rm.add(
cfname,
CompositeType.build(ByteBufferUtil.bytes("sc"), ByteBufferUtil.bytes("c")),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
0);
rm.apply();
cfs.forceBlockingFlush();
Collection<SSTableReader> sstablesBefore = cfs.getSSTables();
QueryFilter filter = QueryFilter.getIdentityFilter(key, cfname, System.currentTimeMillis());
assert !(cfs.getColumnFamily(filter).getColumnCount() == 0);
// Remove key
rm = new RowMutation(KEYSPACE1, key.key);
rm.delete(cfname, 2);
rm.apply();
ColumnFamily cf = cfs.getColumnFamily(filter);
assert cf == null || cf.getColumnCount() == 0 : "should be empty: " + cf;
// Sleep one second so that the removal is indeed purgeable even with gcgrace == 0
Thread.sleep(1000);
cfs.forceBlockingFlush();
Collection<SSTableReader> sstablesAfter = cfs.getSSTables();
Collection<SSTableReader> toCompact = new ArrayList<SSTableReader>();
for (SSTableReader sstable : sstablesAfter)
if (!sstablesBefore.contains(sstable)) toCompact.add(sstable);
Util.compact(cfs, toCompact);
cf = cfs.getColumnFamily(filter);
assert cf == null || cf.getColumnCount() == 0 : "should be empty: " + cf;
}
public void remove(
String table,
String key,
ColumnPathOrParent column_path_or_parent,
long timestamp,
int consistency_level)
throws InvalidRequestException, UnavailableException {
if (logger.isDebugEnabled()) logger.debug("remove");
ThriftValidation.validateColumnPathOrParent(table, column_path_or_parent);
RowMutation rm = new RowMutation(table, key.trim());
rm.delete(new QueryPath(column_path_or_parent), timestamp);
doInsert(consistency_level, rm);
}
@Test
public void testGetSliceFromBasic() throws Throwable {
// tests slicing against data from one row in a memtable and then flushed to an sstable
final Table table = Table.open("Keyspace1");
final ColumnFamilyStore cfStore = table.getColumnFamilyStore("Standard1");
final String ROW = "row1";
RowMutation rm = new RowMutation("Keyspace1", ROW);
ColumnFamily cf = ColumnFamily.create("Keyspace1", "Standard1");
cf.addColumn(column("col1", "val1", 1L));
cf.addColumn(column("col3", "val3", 1L));
cf.addColumn(column("col4", "val4", 1L));
cf.addColumn(column("col5", "val5", 1L));
cf.addColumn(column("col7", "val7", 1L));
cf.addColumn(column("col9", "val9", 1L));
rm.add(cf);
rm.apply();
rm = new RowMutation("Keyspace1", ROW);
rm.delete(new QueryPath("Standard1", null, "col4".getBytes()), 2L);
rm.apply();
Runnable verify =
new WrappedRunnable() {
public void runMayThrow() throws Exception {
ColumnFamily cf;
cf =
cfStore.getColumnFamily(
ROW,
new QueryPath("Standard1"),
"col5".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
2);
assertColumns(cf, "col5", "col7");
cf =
cfStore.getColumnFamily(
ROW,
new QueryPath("Standard1"),
"col4".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
2);
assertColumns(cf, "col4", "col5", "col7");
assertColumns(ColumnFamilyStore.removeDeleted(cf, Integer.MAX_VALUE), "col5", "col7");
cf =
cfStore.getColumnFamily(
ROW,
new QueryPath("Standard1"),
"col5".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
true,
2);
assertColumns(cf, "col3", "col4", "col5");
cf =
cfStore.getColumnFamily(
ROW,
new QueryPath("Standard1"),
"col6".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
true,
2);
assertColumns(cf, "col3", "col4", "col5");
cf =
cfStore.getColumnFamily(
ROW,
new QueryPath("Standard1"),
ArrayUtils.EMPTY_BYTE_ARRAY,
ArrayUtils.EMPTY_BYTE_ARRAY,
true,
2);
assertColumns(cf, "col7", "col9");
cf =
cfStore.getColumnFamily(
ROW,
new QueryPath("Standard1"),
"col95".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
2);
assertColumns(cf);
cf =
cfStore.getColumnFamily(
ROW,
new QueryPath("Standard1"),
"col0".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
true,
2);
assertColumns(cf);
}
};
reTest(table.getColumnFamilyStore("Standard1"), verify);
}