--- a/lucene/src/luan/modules/lucene/LuceneIndex.java	Fri Jul 15 17:35:50 2016 -0600
+++ b/lucene/src/luan/modules/lucene/LuceneIndex.java	Sun Jul 17 19:21:52 2016 -0600
@@ -83,20 +83,21 @@
 	private static final String FLD_NEXT_ID = "nextId";
 	public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer());
 
+	private static final Version version = Version.LUCENE_4_9;
 	private final ReentrantLock writeLock = new ReentrantLock();
 	private final File indexDir;
-	final SnapshotDeletionPolicy snapshotDeletionPolicy;
-	private final IndexWriter writer;
+	private SnapshotDeletionPolicy snapshotDeletionPolicy;
+	private IndexWriter writer;
 	private DirectoryReader reader;
 	private IndexSearcher searcher;
 	private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>();
-	private boolean isClosed = false;
+	private boolean isClosed = true;
 	private final MultiFieldParser mfp;
 	public final LuanTable indexed_only_fields = new LuanTable();
 	private final Analyzer analyzer;
 
 	private static ConcurrentMap<File,AtomicInteger> globalWriteCounters = new ConcurrentHashMap<File,AtomicInteger>();
-	private final File fileDir;
+	private File fileDir;
 	private int writeCount;
 
 	public LuceneIndex(LuanState luan,String indexDirStr,FieldParser defaultFieldParser,String[] defaultFields) throws LuanException, IOException {
@@ -105,23 +106,28 @@
 		mfp.fields.put( "id", NumberFieldParser.LONG );
 		File indexDir = new File(indexDirStr);
 		this.indexDir = indexDir;
-		FSDirectory dir = FSDirectory.open(indexDir);
-		fileDir = dir.getDirectory();
-		globalWriteCounters.putIfAbsent(fileDir,new AtomicInteger());
-		Version version = Version.LUCENE_4_9;		
 		Analyzer analyzer = STRING_FIELD_PARSER.analyzer;
 		if( defaultFieldParser instanceof StringFieldParser ) {
 			StringFieldParser sfp = (StringFieldParser)defaultFieldParser;
 			analyzer = sfp.analyzer;
 		}
 		this.analyzer = analyzer;
+		luan.onClose(this);
+		reopen();
+	}
+
+	public void reopen() throws LuanException, IOException {
+		if( !isClosed )  throw new RuntimeException();
+		isClosed = false;
 		IndexWriterConfig conf = new IndexWriterConfig(version,analyzer);
 		snapshotDeletionPolicy = new SnapshotDeletionPolicy(conf.getIndexDeletionPolicy());
 		conf.setIndexDeletionPolicy(snapshotDeletionPolicy);
+		FSDirectory dir = FSDirectory.open(indexDir);
+		fileDir = dir.getDirectory();
+		globalWriteCounters.putIfAbsent(fileDir,new AtomicInteger());
 		writer = new IndexWriter(dir,conf);
 		writer.commit();  // commit index creation
 		reader = DirectoryReader.open(dir);
-		luan.onClose(this);
 		searcher = new IndexSearcher(reader);
 		initId();
 	}
@@ -232,29 +238,17 @@
 	}
 
 
-	private long id = 0;
-	private long idLim = 0;
+	private long id;
+	private long idLim;
 	private final int idBatch = 10;
 
 	private void initId() throws LuanException, IOException {
 		TopDocs td = searcher.search(new TermQuery(new Term("type","next_id")),1);
-/*
-		// tmp hack
-		if( td.totalHits == 0 ) {
-			td = searcher.search(new TermQuery(new Term("type index","next_id")),1);
-			if( td.totalHits == 1 ) {
-				long idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
-				LuanTable doc = new LuanTable();
-				doc.rawPut( "type", "next_id" );
-				doc.rawPut( FLD_NEXT_ID, idLim );
-				writer.addDocument(toLucene(luan,doc));
-				writer.commit();
-			}
-		}
-*/
 		switch(td.totalHits) {
 		case 0:
-			break;  // do nothing
+			id = 0;
+			idLim = 0;
+			break;
 		case 1:
 			idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
 			id = idLim;