Integer lid = getLock(lockid, row);
long now = System.currentTimeMillis();
try {
for (HStore store : stores.values()) {
List<HStoreKey> keys =
store.getKeys(new HStoreKey(row, timestamp, this.regionInfo),
ALL_VERSIONS, now, columnPattern);
TreeMap<HStoreKey, byte []> edits = new TreeMap<HStoreKey, byte []>(
new HStoreKey.HStoreKeyWritableComparator(regionInfo));
for (HStoreKey key: keys) {
edits.put(key, HLogEdit.deleteBytes.get());