// test using a sparse index (with deleted docs). The DocIdSet should be not cacheable, as it uses
// TermDocs if the range contains 0
public void testSparseIndex() throws IOException {
RAMDirectory dir = new RAMDirectory();
IndexWriter writer =
new IndexWriter(dir, new SimpleAnalyzer(), T, IndexWriter.MaxFieldLength.LIMITED);
for (int d = -20; d <= 20; d++) {
Document doc = new Document();
doc.add(new Field("id", Integer.toString(d), Field.Store.NO, Field.Index.NOT_ANALYZED));
doc.add(new Field("body", "body", Field.Store.NO, Field.Index.NOT_ANALYZED));
writer.addDocument(doc);
}
writer.optimize();
writer.deleteDocuments(new Term("id", "0"));
writer.close();
IndexReader reader = IndexReader.open(dir, true);
IndexSearcher search = new IndexSearcher(reader);
assertTrue(reader.hasDeletions());
ScoreDoc[] result;
FieldCacheRangeFilter fcrf;
Query q = new TermQuery(new Term("body", "body"));
result =
search.search(
q,
fcrf =
FieldCacheRangeFilter.newByteRange(
"id", Byte.valueOf((byte) -20), Byte.valueOf((byte) 20), T, T),
100)
.scoreDocs;
assertFalse(
"DocIdSet must be not cacheable",
fcrf.getDocIdSet(reader.getSequentialSubReaders()[0]).isCacheable());
assertEquals("find all", 40, result.length);
result =
search.search(
q,
fcrf =
FieldCacheRangeFilter.newByteRange(
"id", Byte.valueOf((byte) 0), Byte.valueOf((byte) 20), T, T),
100)
.scoreDocs;
assertFalse(
"DocIdSet must be not cacheable",
fcrf.getDocIdSet(reader.getSequentialSubReaders()[0]).isCacheable());
assertEquals("find all", 20, result.length);
result =
search.search(
q,
fcrf =
FieldCacheRangeFilter.newByteRange(
"id", Byte.valueOf((byte) -20), Byte.valueOf((byte) 0), T, T),
100)
.scoreDocs;
assertFalse(
"DocIdSet must be not cacheable",
fcrf.getDocIdSet(reader.getSequentialSubReaders()[0]).isCacheable());
assertEquals("find all", 20, result.length);
result =
search.search(
q,
fcrf =
FieldCacheRangeFilter.newByteRange(
"id", Byte.valueOf((byte) 10), Byte.valueOf((byte) 20), T, T),
100)
.scoreDocs;
assertTrue(
"DocIdSet must be cacheable",
fcrf.getDocIdSet(reader.getSequentialSubReaders()[0]).isCacheable());
assertEquals("find all", 11, result.length);
result =
search.search(
q,
fcrf =
FieldCacheRangeFilter.newByteRange(
"id", Byte.valueOf((byte) -20), Byte.valueOf((byte) -10), T, T),
100)
.scoreDocs;
assertTrue(
"DocIdSet must be cacheable",
fcrf.getDocIdSet(reader.getSequentialSubReaders()[0]).isCacheable());
assertEquals("find all", 11, result.length);
}
