void addKey(int op, long transaction, int bucket, long rowId) {
switch (op) {
case INSERT_OPERATION:
acidStats.inserts += 1;
break;
case UPDATE_OPERATION:
acidStats.updates += 1;
break;
case DELETE_OPERATION:
acidStats.deletes += 1;
break;
default:
throw new IllegalArgumentException("Unknown operation " + op);
}
lastTransaction = transaction;
lastBucket = bucket;
lastRowId = rowId;
}
@Override
public void preFooterWrite(OrcFile.WriterContext context) throws IOException {
context.getWriter().addUserMetadata(ACID_KEY_INDEX_NAME, UTF8.encode(lastKey.toString()));
context.getWriter().addUserMetadata(ACID_STATS, UTF8.encode(acidStats.serialize()));
}
