--- /dev/null
+package org.apache.lucene.index;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import org.apache.lucene.analysis.WhitespaceAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.Fieldable;
+import org.apache.lucene.document.FieldSelector;
+import org.apache.lucene.document.FieldSelectorResult;
+import org.apache.lucene.index.FieldInfo.IndexOptions;
+import org.apache.lucene.index.IndexWriterConfig.OpenMode;
+import org.apache.lucene.document.NumericField;
+import org.apache.lucene.search.FieldCache;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.ScoreDoc;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.NumericRangeQuery;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.RAMDirectory;
+import org.apache.lucene.util.ReaderUtil;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util._TestUtil;
+import org.apache.lucene.util.Constants;
+
+/*
+ Verify we can read the pre-2.1 file format, do searches
+ against it, and add documents to it.
+*/
+
+public class TestBackwardsCompatibility extends LuceneTestCase {
+
+ // Uncomment these cases & run them on an older Lucene
+ // version, to generate an index to test backwards
+ // compatibility. Then, cd to build/test/index.cfs and
+ // run "zip index.<VERSION>.cfs.zip *"; cd to
+ // build/test/index.nocfs and run "zip
+ // index.<VERSION>.nocfs.zip *". Then move those 2 zip
+ // files to your trunk checkout and add them to the
+ // oldNames array.
+
+ /*
+ public void testCreateCFS() throws IOException {
+ createIndex("index.cfs", true, false);
+ }
+
+ public void testCreateNoCFS() throws IOException {
+ createIndex("index.nocfs", false, false);
+ }
+ */
+
+ /*
+ // These are only needed for the special upgrade test to verify
+ // that also single-segment indexes are correctly upgraded by IndexUpgrader.
+ // You don't need them to be build for non-3.1 (the test is happy with just one
+ // "old" segment format, version is unimportant:
+
+ public void testCreateSingleSegmentCFS() throws IOException {
+ createIndex("index.singlesegment.cfs", true, true);
+ }
+
+ public void testCreateSingleSegmentNoCFS() throws IOException {
+ createIndex("index.singlesegment.nocfs", false, true);
+ }
+ */
+
+ final String[] oldNames = {"19.cfs",
+ "19.nocfs",
+ "20.cfs",
+ "20.nocfs",
+ "21.cfs",
+ "21.nocfs",
+ "22.cfs",
+ "22.nocfs",
+ "23.cfs",
+ "23.nocfs",
+ "24.cfs",
+ "24.nocfs",
+ "29.cfs",
+ "29.nocfs",
+ "30.cfs",
+ "30.nocfs",
+ "31.cfs",
+ "31.nocfs",
+ "32.cfs",
+ "32.nocfs",
+ };
+
+ final String[] oldSingleSegmentNames = {"31.optimized.cfs",
+ "31.optimized.nocfs",
+ };
+
+ private void assertCompressedFields29(Directory dir, boolean shouldStillBeCompressed) throws IOException {
+ int count = 0;
+ final int TEXT_PLAIN_LENGTH = TEXT_TO_COMPRESS.length() * 2;
+ // FieldSelectorResult.SIZE returns 2*number_of_chars for String fields:
+ final int BINARY_PLAIN_LENGTH = BINARY_TO_COMPRESS.length;
+
+ IndexReader reader = IndexReader.open(dir, true);
+ try {
+ // look into sub readers and check if raw merge is on/off
+ List<IndexReader> readers = new ArrayList<IndexReader>();
+ ReaderUtil.gatherSubReaders(readers, reader);
+ for (IndexReader ir : readers) {
+ final FieldsReader fr = ((SegmentReader) ir).getFieldsReader();
+ assertTrue("for a 2.9 index, FieldsReader.canReadRawDocs() must be false and other way round for a trunk index",
+ shouldStillBeCompressed != fr.canReadRawDocs());
+ }
+
+ // test that decompression works correctly
+ for(int i=0; i<reader.maxDoc(); i++) {
+ if (!reader.isDeleted(i)) {
+ Document d = reader.document(i);
+ if (d.get("content3") != null) continue;
+ count++;
+ Fieldable compressed = d.getFieldable("compressed");
+ if (Integer.parseInt(d.get("id")) % 2 == 0) {
+ assertFalse(compressed.isBinary());
+ assertEquals("incorrectly decompressed string", TEXT_TO_COMPRESS, compressed.stringValue());
+ } else {
+ assertTrue(compressed.isBinary());
+ assertTrue("incorrectly decompressed binary", Arrays.equals(BINARY_TO_COMPRESS, compressed.getBinaryValue()));
+ }
+ }
+ }
+
+ // check if field was decompressed after full merge
+ for(int i=0; i<reader.maxDoc(); i++) {
+ if (!reader.isDeleted(i)) {
+ Document d = reader.document(i, new FieldSelector() {
+ public FieldSelectorResult accept(String fieldName) {
+ return ("compressed".equals(fieldName)) ? FieldSelectorResult.SIZE : FieldSelectorResult.LOAD;
+ }
+ });
+ if (d.get("content3") != null) continue;
+ count++;
+ // read the size from the binary value using DataInputStream (this prevents us from doing the shift ops ourselves):
+ final DataInputStream ds = new DataInputStream(new ByteArrayInputStream(d.getFieldable("compressed").getBinaryValue()));
+ final int actualSize = ds.readInt();
+ ds.close();
+ final int compressedSize = Integer.parseInt(d.get("compressedSize"));
+ final boolean binary = Integer.parseInt(d.get("id")) % 2 > 0;
+ final int shouldSize = shouldStillBeCompressed ?
+ compressedSize :
+ (binary ? BINARY_PLAIN_LENGTH : TEXT_PLAIN_LENGTH);
+ assertEquals("size incorrect", shouldSize, actualSize);
+ if (!shouldStillBeCompressed) {
+ assertFalse("uncompressed field should have another size than recorded in index", compressedSize == actualSize);
+ }
+ }
+ }
+ assertEquals("correct number of tests", 34 * 2, count);
+ } finally {
+ reader.close();
+ }
+ }
+
+ public void testUpgrade29Compression() throws IOException {
+ int hasTested29 = 0;
+
+ for(int i=0;i<oldNames.length;i++) {
+ File oldIndxeDir = _TestUtil.getTempDir(oldNames[i]);
+ _TestUtil.unzip(getDataFile("index." + oldNames[i] + ".zip"), oldIndxeDir);
+ Directory dir = newFSDirectory(oldIndxeDir);
+
+ if (oldNames[i].startsWith("29.")) {
+ assertCompressedFields29(dir, true);
+ hasTested29++;
+ }
+
+ new IndexUpgrader(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, null), VERBOSE ? System.out : null, false)
+ .upgrade();
+
+ if (oldNames[i].startsWith("29.")) {
+ assertCompressedFields29(dir, false);
+ hasTested29++;
+ }
+
+ dir.close();
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+
+ assertEquals("test for compressed field should have run 4 times", 4, hasTested29);
+ }
+
+ public void testAddOldIndexes() throws IOException {
+ for (String name : oldNames) {
+ File oldIndxeDir = _TestUtil.getTempDir(name);
+ _TestUtil.unzip(getDataFile("index." + name + ".zip"), oldIndxeDir);
+ Directory dir = newFSDirectory(oldIndxeDir);
+
+ Directory targetDir = newDirectory();
+ IndexWriter w = new IndexWriter(targetDir, newIndexWriterConfig(
+ TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)));
+ w.addIndexes(new Directory[] { dir });
+ w.close();
+
+ dir.close();
+ targetDir.close();
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+ }
+
+ public void testAddOldIndexesReader() throws IOException {
+ for (String name : oldNames) {
+ File oldIndxeDir = _TestUtil.getTempDir(name);
+ _TestUtil.unzip(getDataFile("index." + name + ".zip"), oldIndxeDir);
+ Directory dir = newFSDirectory(oldIndxeDir);
+ IndexReader reader = IndexReader.open(dir);
+
+ Directory targetDir = newDirectory();
+ IndexWriter w = new IndexWriter(targetDir, newIndexWriterConfig(
+ TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)));
+ w.addIndexes(new IndexReader[] { reader });
+ w.close();
+ reader.close();
+
+ dir.close();
+ targetDir.close();
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+ }
+
+ public void testSearchOldIndex() throws IOException {
+ for(int i=0;i<oldNames.length;i++) {
+ File oldIndxeDir = _TestUtil.getTempDir(oldNames[i]);
+ _TestUtil.unzip(getDataFile("index." + oldNames[i] + ".zip"), oldIndxeDir);
+ searchIndex(oldIndxeDir, oldNames[i]);
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+ }
+
+ public void testIndexOldIndexNoAdds() throws IOException {
+ for(int i=0;i<oldNames.length;i++) {
+ File oldIndxeDir = _TestUtil.getTempDir(oldNames[i]);
+ _TestUtil.unzip(getDataFile("index." + oldNames[i] + ".zip"), oldIndxeDir);
+ changeIndexNoAdds(random, oldIndxeDir);
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+ }
+
+ public void testIndexOldIndex() throws IOException {
+ for(int i=0;i<oldNames.length;i++) {
+ if (VERBOSE) {
+ System.out.println("TEST: oldName=" + oldNames[i]);
+ }
+ File oldIndxeDir = _TestUtil.getTempDir(oldNames[i]);
+ _TestUtil.unzip(getDataFile("index." + oldNames[i] + ".zip"), oldIndxeDir);
+ changeIndexWithAdds(random, oldIndxeDir, oldNames[i]);
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+ }
+
+ private void testHits(ScoreDoc[] hits, int expectedCount, IndexReader reader) throws IOException {
+ final int hitCount = hits.length;
+ assertEquals("wrong number of hits", expectedCount, hitCount);
+ for(int i=0;i<hitCount;i++) {
+ reader.document(hits[i].doc);
+ reader.getTermFreqVectors(hits[i].doc);
+ }
+ }
+
+ public void searchIndex(File indexDir, String oldName) throws IOException {
+ //QueryParser parser = new QueryParser("contents", new WhitespaceAnalyzer(TEST_VERSION_CURRENT));
+ //Query query = parser.parse("handle:1");
+
+ Directory dir = newFSDirectory(indexDir);
+ IndexReader reader = IndexReader.open(dir);
+ IndexSearcher searcher = new IndexSearcher(reader);
+
+ _TestUtil.checkIndex(dir);
+
+ for(int i=0;i<35;i++) {
+ if (!reader.isDeleted(i)) {
+ Document d = reader.document(i);
+ List<Fieldable> fields = d.getFields();
+ if (!oldName.startsWith("19.") &&
+ !oldName.startsWith("20.") &&
+ !oldName.startsWith("21.") &&
+ !oldName.startsWith("22.")) {
+
+ if (d.getField("content3") == null) {
+ final int numFields = oldName.startsWith("29.") ? 7 : 5;
+ assertEquals(numFields, fields.size());
+ Field f = d.getField("id");
+ assertEquals(""+i, f.stringValue());
+
+ f = d.getField("utf8");
+ assertEquals("Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", f.stringValue());
+
+ f = d.getField("autf8");
+ assertEquals("Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", f.stringValue());
+
+ f = d.getField("content2");
+ assertEquals("here is more content with aaa aaa aaa", f.stringValue());
+
+ f = d.getField("fie\u2C77ld");
+ assertEquals("field with non-ascii name", f.stringValue());
+ }
+
+ TermFreqVector tfv = reader.getTermFreqVector(i, "utf8");
+ assertNotNull("docID=" + i + " index=" + indexDir.getName(), tfv);
+ assertTrue(tfv instanceof TermPositionVector);
+ }
+ } else
+ // Only ID 7 is deleted
+ assertEquals(7, i);
+ }
+
+ ScoreDoc[] hits = searcher.search(new TermQuery(new Term("content", "aaa")), null, 1000).scoreDocs;
+
+ // First document should be #21 since it's norm was
+ // increased:
+ Document d = searcher.doc(hits[0].doc);
+ assertEquals("didn't get the right document first", "21", d.get("id"));
+
+ testHits(hits, 34, searcher.getIndexReader());
+
+ if (!oldName.startsWith("19.") &&
+ !oldName.startsWith("20.") &&
+ !oldName.startsWith("21.") &&
+ !oldName.startsWith("22.")) {
+ // Test on indices >= 2.3
+ hits = searcher.search(new TermQuery(new Term("utf8", "\u0000")), null, 1000).scoreDocs;
+ assertEquals(34, hits.length);
+ hits = searcher.search(new TermQuery(new Term("utf8", "Lu\uD834\uDD1Ece\uD834\uDD60ne")), null, 1000).scoreDocs;
+ assertEquals(34, hits.length);
+ hits = searcher.search(new TermQuery(new Term("utf8", "ab\ud917\udc17cd")), null, 1000).scoreDocs;
+ assertEquals(34, hits.length);
+ }
+
+ searcher.close();
+ reader.close();
+ dir.close();
+ }
+
+ private int compare(String name, String v) {
+ int v0 = Integer.parseInt(name.substring(0, 2));
+ int v1 = Integer.parseInt(v);
+ return v0 - v1;
+ }
+
+ /* Open pre-lockless index, add docs, do a delete &
+ * setNorm, and search */
+ public void changeIndexWithAdds(Random random, File oldIndexDir, String origOldName) throws IOException {
+ Directory dir = newFSDirectory(oldIndexDir);
+ // open writer
+ IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)).setOpenMode(OpenMode.APPEND));
+ writer.setInfoStream(VERBOSE ? System.out : null);
+ // add 10 docs
+ for(int i=0;i<10;i++) {
+ addDoc(writer, 35+i);
+ }
+
+ // make sure writer sees right total -- writer seems not to know about deletes in .del?
+ final int expected;
+ if (compare(origOldName, "24") < 0) {
+ expected = 44;
+ } else {
+ expected = 45;
+ }
+ assertEquals("wrong doc count", expected, writer.numDocs());
+ writer.close();
+
+ // make sure searching sees right # hits
+ IndexReader reader = IndexReader.open(dir);
+ IndexSearcher searcher = new IndexSearcher(reader);
+ ScoreDoc[] hits = searcher.search(new TermQuery(new Term("content", "aaa")), null, 1000).scoreDocs;
+ Document d = searcher.doc(hits[0].doc);
+ assertEquals("wrong first document", "21", d.get("id"));
+ testHits(hits, 44, searcher.getIndexReader());
+ searcher.close();
+ reader.close();
+
+ // make sure we can do delete & setNorm against this
+ // pre-lockless segment:
+ reader = IndexReader.open(dir, false);
+ searcher = newSearcher(reader);
+ Term searchTerm = new Term("id", "6");
+ int delCount = reader.deleteDocuments(searchTerm);
+ assertEquals("wrong delete count", 1, delCount);
+ reader.setNorm(searcher.search(new TermQuery(new Term("id", "22")), 10).scoreDocs[0].doc, "content", (float) 2.0);
+ reader.close();
+ searcher.close();
+
+ // make sure they "took":
+ reader = IndexReader.open(dir, true);
+ searcher = new IndexSearcher(reader);
+ hits = searcher.search(new TermQuery(new Term("content", "aaa")), null, 1000).scoreDocs;
+ assertEquals("wrong number of hits", 43, hits.length);
+ d = searcher.doc(hits[0].doc);
+ assertEquals("wrong first document", "22", d.get("id"));
+ testHits(hits, 43, searcher.getIndexReader());
+ searcher.close();
+ reader.close();
+
+ // fully merge
+ writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)).setOpenMode(OpenMode.APPEND));
+ writer.forceMerge(1);
+ writer.close();
+
+ reader = IndexReader.open(dir);
+ searcher = new IndexSearcher(reader);
+ hits = searcher.search(new TermQuery(new Term("content", "aaa")), null, 1000).scoreDocs;
+ assertEquals("wrong number of hits", 43, hits.length);
+ d = searcher.doc(hits[0].doc);
+ testHits(hits, 43, searcher.getIndexReader());
+ assertEquals("wrong first document", "22", d.get("id"));
+ searcher.close();
+ reader.close();
+
+ dir.close();
+ }
+
+ /* Open pre-lockless index, add docs, do a delete &
+ * setNorm, and search */
+ public void changeIndexNoAdds(Random random, File oldIndexDir) throws IOException {
+
+ Directory dir = newFSDirectory(oldIndexDir);
+
+ // make sure searching sees right # hits
+ IndexReader reader = IndexReader.open(dir);
+ IndexSearcher searcher = new IndexSearcher(reader);
+ ScoreDoc[] hits = searcher.search(new TermQuery(new Term("content", "aaa")), null, 1000).scoreDocs;
+ assertEquals("wrong number of hits", 34, hits.length);
+ Document d = searcher.doc(hits[0].doc);
+ assertEquals("wrong first document", "21", d.get("id"));
+ searcher.close();
+ reader.close();
+
+ // make sure we can do a delete & setNorm against this
+ // pre-lockless segment:
+ reader = IndexReader.open(dir, false);
+ Term searchTerm = new Term("id", "6");
+ int delCount = reader.deleteDocuments(searchTerm);
+ assertEquals("wrong delete count", 1, delCount);
+ reader.setNorm(22, "content", (float) 2.0);
+ reader.close();
+
+ // make sure they "took":
+ reader = IndexReader.open(dir);
+ searcher = new IndexSearcher(reader);
+ hits = searcher.search(new TermQuery(new Term("content", "aaa")), null, 1000).scoreDocs;
+ assertEquals("wrong number of hits", 33, hits.length);
+ d = searcher.doc(hits[0].doc);
+ assertEquals("wrong first document", "22", d.get("id"));
+ testHits(hits, 33, searcher.getIndexReader());
+ searcher.close();
+ reader.close();
+
+ // fully merge
+ IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)).setOpenMode(OpenMode.APPEND));
+ writer.forceMerge(1);
+ writer.close();
+
+ reader = IndexReader.open(dir);
+ searcher = new IndexSearcher(reader);
+ hits = searcher.search(new TermQuery(new Term("content", "aaa")), null, 1000).scoreDocs;
+ assertEquals("wrong number of hits", 33, hits.length);
+ d = searcher.doc(hits[0].doc);
+ assertEquals("wrong first document", "22", d.get("id"));
+ testHits(hits, 33, searcher.getIndexReader());
+ searcher.close();
+ reader.close();
+
+ dir.close();
+ }
+
+ public File createIndex(String dirName, boolean doCFS, boolean fullyMerged) throws IOException {
+ // we use a real directory name that is not cleaned up, because this method is only used to create backwards indexes:
+ File indexDir = new File(LuceneTestCase.TEMP_DIR, dirName);
+ _TestUtil.rmDir(indexDir);
+ Directory dir = newFSDirectory(indexDir);
+ LogByteSizeMergePolicy mp = new LogByteSizeMergePolicy();
+ mp.setUseCompoundFile(doCFS);
+ mp.setNoCFSRatio(1.0);
+ IndexWriterConfig conf = new IndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT))
+ .setMaxBufferedDocs(10).setMergePolicy(mp);
+ IndexWriter writer = new IndexWriter(dir, conf);
+
+ for(int i=0;i<35;i++) {
+ addDoc(writer, i);
+ }
+ assertEquals("wrong doc count", 35, writer.maxDoc());
+ if (fullyMerged) {
+ writer.forceMerge(1);
+ }
+ writer.close();
+
+ if (!fullyMerged) {
+ // open fresh writer so we get no prx file in the added segment
+ mp = new LogByteSizeMergePolicy();
+ mp.setUseCompoundFile(doCFS);
+ mp.setNoCFSRatio(1.0);
+ conf = new IndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT))
+ .setMaxBufferedDocs(10).setMergePolicy(mp);
+ writer = new IndexWriter(dir, conf);
+ addNoProxDoc(writer);
+ writer.close();
+
+ // Delete one doc so we get a .del file:
+ IndexReader reader = IndexReader.open(dir, false);
+ Term searchTerm = new Term("id", "7");
+ int delCount = reader.deleteDocuments(searchTerm);
+ assertEquals("didn't delete the right number of documents", 1, delCount);
+
+ // Set one norm so we get a .s0 file:
+ reader.setNorm(21, "content", (float) 1.5);
+ reader.close();
+ }
+
+ dir.close();
+
+ return indexDir;
+ }
+
+ /* Verifies that the expected file names were produced */
+
+ public void testExactFileNames() throws IOException {
+
+ String outputDirName = "lucene.backwardscompat0.index";
+ File outputDir = _TestUtil.getTempDir(outputDirName);
+ _TestUtil.rmDir(outputDir);
+
+ try {
+ Directory dir = newFSDirectory(outputDir);
+
+ LogMergePolicy mergePolicy = newLogMergePolicy(true, 10);
+ mergePolicy.setNoCFSRatio(1); // This test expects all of its segments to be in CFS
+ IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)).setMaxBufferedDocs(-1).setRAMBufferSizeMB(16.0)
+ .setMergePolicy(mergePolicy);
+ IndexWriter writer = new IndexWriter(dir, conf);
+ for(int i=0;i<35;i++) {
+ addDoc(writer, i);
+ }
+ assertEquals("wrong doc count", 35, writer.maxDoc());
+ writer.close();
+
+ // Delete one doc so we get a .del file:
+ IndexReader reader = IndexReader.open(dir, false);
+ Term searchTerm = new Term("id", "7");
+ int delCount = reader.deleteDocuments(searchTerm);
+ assertEquals("didn't delete the right number of documents", 1, delCount);
+
+ // Set one norm so we get a .s0 file:
+ reader.setNorm(21, "content", (float) 1.5);
+ reader.close();
+
+ // The numbering of fields can vary depending on which
+ // JRE is in use. On some JREs we see content bound to
+ // field 0; on others, field 1. So, here we have to
+ // figure out which field number corresponds to
+ // "content", and then set our expected file names below
+ // accordingly:
+ CompoundFileReader cfsReader = new CompoundFileReader(dir, "_0.cfs");
+ FieldInfos fieldInfos = new FieldInfos(cfsReader, "_0.fnm");
+ int contentFieldIndex = -1;
+ for(int i=0;i<fieldInfos.size();i++) {
+ FieldInfo fi = fieldInfos.fieldInfo(i);
+ if (fi.name.equals("content")) {
+ contentFieldIndex = i;
+ break;
+ }
+ }
+ cfsReader.close();
+ assertTrue("could not locate the 'content' field number in the _2.cfs segment", contentFieldIndex != -1);
+
+ // Now verify file names:
+ String[] expected = new String[] {"_0.cfs",
+ "_0_1.del",
+ "_0_1.s" + contentFieldIndex,
+ "segments_2",
+ "segments.gen"};
+
+ String[] actual = dir.listAll();
+ Arrays.sort(expected);
+ Arrays.sort(actual);
+ if (!Arrays.equals(expected, actual)) {
+ fail("incorrect filenames in index: expected:\n " + asString(expected) + "\n actual:\n " + asString(actual));
+ }
+ dir.close();
+ } finally {
+ _TestUtil.rmDir(outputDir);
+ }
+ }
+
+ private String asString(String[] l) {
+ String s = "";
+ for(int i=0;i<l.length;i++) {
+ if (i > 0) {
+ s += "\n ";
+ }
+ s += l[i];
+ }
+ return s;
+ }
+
+ private void addDoc(IndexWriter writer, int id) throws IOException
+ {
+ Document doc = new Document();
+ doc.add(new Field("content", "aaa", Field.Store.NO, Field.Index.ANALYZED));
+ doc.add(new Field("id", Integer.toString(id), Field.Store.YES, Field.Index.NOT_ANALYZED));
+ doc.add(new Field("autf8", "Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
+ doc.add(new Field("utf8", "Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
+ doc.add(new Field("content2", "here is more content with aaa aaa aaa", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
+ doc.add(new Field("fie\u2C77ld", "field with non-ascii name", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
+ /* This was used in 2.9 to generate an index with compressed field:
+ if (id % 2 == 0) {
+ doc.add(new Field("compressed", TEXT_TO_COMPRESS, Field.Store.COMPRESS, Field.Index.NOT_ANALYZED));
+ doc.add(new Field("compressedSize", Integer.toString(TEXT_COMPRESSED_LENGTH), Field.Store.YES, Field.Index.NOT_ANALYZED));
+ } else {
+ doc.add(new Field("compressed", BINARY_TO_COMPRESS, Field.Store.COMPRESS));
+ doc.add(new Field("compressedSize", Integer.toString(BINARY_COMPRESSED_LENGTH), Field.Store.YES, Field.Index.NOT_ANALYZED));
+ }
+ */
+ // add numeric fields, to test if later versions preserve encoding
+ doc.add(new NumericField("trieInt", 4).setIntValue(id));
+ doc.add(new NumericField("trieLong", 4).setLongValue(id));
+ writer.addDocument(doc);
+ }
+
+ private void addNoProxDoc(IndexWriter writer) throws IOException {
+ Document doc = new Document();
+ Field f = new Field("content3", "aaa", Field.Store.YES, Field.Index.ANALYZED);
+ f.setIndexOptions(IndexOptions.DOCS_ONLY);
+ doc.add(f);
+ f = new Field("content4", "aaa", Field.Store.YES, Field.Index.NO);
+ f.setIndexOptions(IndexOptions.DOCS_ONLY);
+ doc.add(f);
+ writer.addDocument(doc);
+ }
+
+ static final String TEXT_TO_COMPRESS = "this is a compressed field and should appear in 3.0 as an uncompressed field after merge";
+ // FieldSelectorResult.SIZE returns compressed size for compressed fields, which are internally handled as binary;
+ // do it in the same way like FieldsWriter, do not use CompressionTools.compressString() for compressed fields:
+ /* This was used in 2.9 to generate an index with compressed field:
+ static final int TEXT_COMPRESSED_LENGTH;
+ static {
+ try {
+ TEXT_COMPRESSED_LENGTH = CompressionTools.compress(TEXT_TO_COMPRESS.getBytes("UTF-8")).length;
+ } catch (Exception e) {
+ throw new RuntimeException();
+ }
+ }
+ */
+ static final byte[] BINARY_TO_COMPRESS = new byte[]{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
+ /* This was used in 2.9 to generate an index with compressed field:
+ static final int BINARY_COMPRESSED_LENGTH = CompressionTools.compress(BINARY_TO_COMPRESS).length;
+ */
+
+ public void testNumericFields() throws Exception {
+ for(int i=0;i<oldNames.length;i++) {
+ // only test indexes >= 3.0
+ if (oldNames[i].compareTo("30.") < 0) continue;
+
+ File oldIndexDir = _TestUtil.getTempDir(oldNames[i]);
+ _TestUtil.unzip(getDataFile("index." + oldNames[i] + ".zip"), oldIndexDir);
+ Directory dir = newFSDirectory(oldIndexDir);
+ IndexReader reader = IndexReader.open(dir);
+ IndexSearcher searcher = new IndexSearcher(reader);
+
+ for (int id=10; id<15; id++) {
+ ScoreDoc[] hits = searcher.search(NumericRangeQuery.newIntRange("trieInt", 4, Integer.valueOf(id), Integer.valueOf(id), true, true), 100).scoreDocs;
+ assertEquals("wrong number of hits", 1, hits.length);
+ Document d = searcher.doc(hits[0].doc);
+ assertEquals(String.valueOf(id), d.get("id"));
+
+ hits = searcher.search(NumericRangeQuery.newLongRange("trieLong", 4, Long.valueOf(id), Long.valueOf(id), true, true), 100).scoreDocs;
+ assertEquals("wrong number of hits", 1, hits.length);
+ d = searcher.doc(hits[0].doc);
+ assertEquals(String.valueOf(id), d.get("id"));
+ }
+
+ // check that also lower-precision fields are ok
+ ScoreDoc[] hits = searcher.search(NumericRangeQuery.newIntRange("trieInt", 4, Integer.MIN_VALUE, Integer.MAX_VALUE, false, false), 100).scoreDocs;
+ assertEquals("wrong number of hits", 34, hits.length);
+
+ hits = searcher.search(NumericRangeQuery.newLongRange("trieLong", 4, Long.MIN_VALUE, Long.MAX_VALUE, false, false), 100).scoreDocs;
+ assertEquals("wrong number of hits", 34, hits.length);
+
+ // check decoding into field cache
+ int[] fci = FieldCache.DEFAULT.getInts(searcher.getIndexReader(), "trieInt");
+ for (int val : fci) {
+ assertTrue("value in id bounds", val >= 0 && val < 35);
+ }
+
+ long[] fcl = FieldCache.DEFAULT.getLongs(searcher.getIndexReader(), "trieLong");
+ for (long val : fcl) {
+ assertTrue("value in id bounds", val >= 0L && val < 35L);
+ }
+
+ searcher.close();
+ reader.close();
+ dir.close();
+ _TestUtil.rmDir(oldIndexDir);
+ }
+ }
+
+ private int checkAllSegmentsUpgraded(Directory dir) throws IOException {
+ final SegmentInfos infos = new SegmentInfos();
+ infos.read(dir);
+ if (VERBOSE) {
+ System.out.println("checkAllSegmentsUpgraded: " + infos);
+ }
+ for (SegmentInfo si : infos) {
+ assertEquals(Constants.LUCENE_MAIN_VERSION, si.getVersion());
+ }
+ return infos.size();
+ }
+
+ private int getNumberOfSegments(Directory dir) throws IOException {
+ final SegmentInfos infos = new SegmentInfos();
+ infos.read(dir);
+ return infos.size();
+ }
+
+ public void testUpgradeOldIndex() throws Exception {
+ List<String> names = new ArrayList<String>(oldNames.length + oldSingleSegmentNames.length);
+ names.addAll(Arrays.asList(oldNames));
+ names.addAll(Arrays.asList(oldSingleSegmentNames));
+ for(String name : names) {
+ if (VERBOSE) {
+ System.out.println("testUpgradeOldIndex: index=" +name);
+ }
+ File oldIndxeDir = _TestUtil.getTempDir(name);
+ _TestUtil.unzip(getDataFile("index." + name + ".zip"), oldIndxeDir);
+ Directory dir = newFSDirectory(oldIndxeDir);
+
+ new IndexUpgrader(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, null), VERBOSE ? System.out : null, false)
+ .upgrade();
+
+ checkAllSegmentsUpgraded(dir);
+
+ dir.close();
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+ }
+
+ public void testUpgradeOldSingleSegmentIndexWithAdditions() throws Exception {
+ for (String name : oldSingleSegmentNames) {
+ if (VERBOSE) {
+ System.out.println("testUpgradeOldSingleSegmentIndexWithAdditions: index=" +name);
+ }
+ File oldIndxeDir = _TestUtil.getTempDir(name);
+ _TestUtil.unzip(getDataFile("index." + name + ".zip"), oldIndxeDir);
+ Directory dir = newFSDirectory(oldIndxeDir);
+
+ assertEquals("Original index must be single segment", 1, getNumberOfSegments(dir));
+
+ // create a bunch of dummy segments
+ int id = 40;
+ RAMDirectory ramDir = new RAMDirectory();
+ for (int i = 0; i < 3; i++) {
+ // only use Log- or TieredMergePolicy, to make document addition predictable and not suddenly merge:
+ MergePolicy mp = random.nextBoolean() ? newLogMergePolicy() : newTieredMergePolicy();
+ IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT))
+ .setMergePolicy(mp);
+ IndexWriter w = new IndexWriter(ramDir, iwc);
+ // add few more docs:
+ for(int j = 0; j < RANDOM_MULTIPLIER * random.nextInt(30); j++) {
+ addDoc(w, id++);
+ }
+ w.close(false);
+ }
+
+ // add dummy segments (which are all in current
+ // version) to single segment index
+ MergePolicy mp = random.nextBoolean() ? newLogMergePolicy() : newTieredMergePolicy();
+ IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, null)
+ .setMergePolicy(mp);
+ IndexWriter w = new IndexWriter(dir, iwc);
+ w.setInfoStream(VERBOSE ? System.out : null);
+ w.addIndexes(ramDir);
+ w.close(false);
+
+ // determine count of segments in modified index
+ final int origSegCount = getNumberOfSegments(dir);
+
+ new IndexUpgrader(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, null), VERBOSE ? System.out : null, false)
+ .upgrade();
+
+ final int segCount = checkAllSegmentsUpgraded(dir);
+ assertEquals("Index must still contain the same number of segments, as only one segment was upgraded and nothing else merged",
+ origSegCount, segCount);
+
+ dir.close();
+ _TestUtil.rmDir(oldIndxeDir);
+ }
+ }
+
+}
fnp / pylucene.git / blobdiff