blob: 85ce40a7d6e321eea421d26ca51525682a46bb15 [file] [log] [blame]
/*
* 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.
*/
using System;
using Lucene.Net.Index;
using NUnit.Framework;
using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer;
using Document = Lucene.Net.Documents.Document;
using Field = Lucene.Net.Documents.Field;
using NumericField = Lucene.Net.Documents.NumericField;
using IndexWriter = Lucene.Net.Index.IndexWriter;
using MaxFieldLength = Lucene.Net.Index.IndexWriter.MaxFieldLength;
using RAMDirectory = Lucene.Net.Store.RAMDirectory;
using NumericUtils = Lucene.Net.Util.NumericUtils;
using LuceneTestCase = Lucene.Net.Util.LuceneTestCase;
namespace Lucene.Net.Search
{
[TestFixture]
public class TestNumericRangeQuery32:LuceneTestCase
{
// distance of entries
private const int distance = 6666;
// shift the starting of the values to the left, to also have negative values:
private const int startOffset = - 1 << 15;
// number of docs to generate for testing
private const int noDocs = 10000;
private static RAMDirectory directory;
private static IndexSearcher searcher;
/// <summary>test for both constant score and boolean query, the other tests only use the constant score mode </summary>
private void TestRange(int precisionStep)
{
System.String field = "field" + precisionStep;
int count = 3000;
int lower = (distance * 3 / 2) + startOffset, upper = lower + count * distance + (distance / 3);
System.Int32 tempAux = (System.Int32) lower;
System.Int32 tempAux2 = (System.Int32) upper;
NumericRangeQuery<int> q = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux, tempAux2, true, true);
System.Int32 tempAux3 = (System.Int32) lower;
System.Int32 tempAux4 = (System.Int32) upper;
NumericRangeFilter<int> f = NumericRangeFilter.NewIntRange(field, precisionStep, tempAux3, tempAux4, true, true);
int lastTerms = 0;
for (sbyte i = 0; i < 3; i++)
{
TopDocs topDocs;
int terms;
System.String type;
q.ClearTotalNumberOfTerms();
f.ClearTotalNumberOfTerms();
switch (i)
{
case 0:
type = " (constant score filter rewrite)";
q.RewriteMethod = MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE;
topDocs = searcher.Search(q, null, noDocs, Sort.INDEXORDER);
terms = q.TotalNumberOfTerms;
break;
case 1:
type = " (constant score boolean rewrite)";
q.RewriteMethod = MultiTermQuery.CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE;
topDocs = searcher.Search(q, null, noDocs, Sort.INDEXORDER);
terms = q.TotalNumberOfTerms;
break;
case 2:
type = " (filter)";
topDocs = searcher.Search(new MatchAllDocsQuery(), f, noDocs, Sort.INDEXORDER);
terms = f.TotalNumberOfTerms;
break;
default:
return ;
}
System.Console.Out.WriteLine("Found " + terms + " distinct terms in range for field '" + field + "'" + type + ".");
ScoreDoc[] sd = topDocs.ScoreDocs;
Assert.IsNotNull(sd);
Assert.AreEqual(count, sd.Length, "Score doc count" + type);
Document doc = searcher.Doc(sd[0].Doc);
Assert.AreEqual(2 * distance + startOffset, System.Int32.Parse(doc.Get(field)), "First doc" + type);
doc = searcher.Doc(sd[sd.Length - 1].Doc);
Assert.AreEqual((1 + count) * distance + startOffset, System.Int32.Parse(doc.Get(field)), "Last doc" + type);
if (i > 0)
{
Assert.AreEqual(lastTerms, terms, "Distinct term number is equal for all query types");
}
lastTerms = terms;
}
}
[Test]
public virtual void TestRange_8bit()
{
TestRange(8);
}
[Test]
public virtual void TestRange_4bit()
{
TestRange(4);
}
[Test]
public virtual void TestRange_2bit()
{
TestRange(2);
}
[Test]
public virtual void TestInverseRange()
{
System.Int32 tempAux = 1000;
System.Int32 tempAux2 = - 1000;
NumericRangeFilter<int> f = NumericRangeFilter.NewIntRange("field8", 8, tempAux, tempAux2, true, true);
Assert.AreSame(DocIdSet.EMPTY_DOCIDSET, f.GetDocIdSet(searcher.IndexReader), "A inverse range should return the EMPTY_DOCIDSET instance");
//UPGRADE_TODO: The 'System.Int32' structure does not have an equivalent to NULL. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1291'"
System.Int32 tempAux3 = (System.Int32) System.Int32.MaxValue;
f = NumericRangeFilter.NewIntRange("field8", 8, tempAux3, null, false, false);
Assert.AreSame(DocIdSet.EMPTY_DOCIDSET, f.GetDocIdSet(searcher.IndexReader), "A exclusive range starting with Integer.MAX_VALUE should return the EMPTY_DOCIDSET instance");
//UPGRADE_TODO: The 'System.Int32' structure does not have an equivalent to NULL. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1291'"
System.Int32 tempAux4 = (System.Int32) System.Int32.MinValue;
f = NumericRangeFilter.NewIntRange("field8", 8, null, tempAux4, false, false);
Assert.AreSame(DocIdSet.EMPTY_DOCIDSET, f.GetDocIdSet(searcher.IndexReader), "A exclusive range ending with Integer.MIN_VALUE should return the EMPTY_DOCIDSET instance");
}
[Test]
public virtual void TestOneMatchQuery()
{
System.Int32 tempAux = 1000;
System.Int32 tempAux2 = 1000;
NumericRangeQuery<int> q = NumericRangeQuery.NewIntRange("ascfield8", 8, tempAux, tempAux2, true, true);
Assert.AreSame(MultiTermQuery.CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE, q.RewriteMethod);
TopDocs topDocs = searcher.Search(q, noDocs);
ScoreDoc[] sd = topDocs.ScoreDocs;
Assert.IsNotNull(sd);
Assert.AreEqual(1, sd.Length, "Score doc count");
}
private void TestLeftOpenRange(int precisionStep)
{
System.String field = "field" + precisionStep;
int count = 3000;
int upper = (count - 1) * distance + (distance / 3) + startOffset;
//UPGRADE_TODO: The 'System.Int32' structure does not have an equivalent to NULL. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1291'"
System.Int32 tempAux = (System.Int32) upper;
NumericRangeQuery<int> q = NumericRangeQuery.NewIntRange(field, precisionStep, null, tempAux, true, true);
TopDocs topDocs = searcher.Search(q, null, noDocs, Sort.INDEXORDER);
System.Console.Out.WriteLine("Found " + q.TotalNumberOfTerms + " distinct terms in left open range for field '" + field + "'.");
ScoreDoc[] sd = topDocs.ScoreDocs;
Assert.IsNotNull(sd);
Assert.AreEqual(count, sd.Length, "Score doc count");
Document doc = searcher.Doc(sd[0].Doc);
Assert.AreEqual(startOffset, System.Int32.Parse(doc.Get(field)), "First doc");
doc = searcher.Doc(sd[sd.Length - 1].Doc);
Assert.AreEqual((count - 1) * distance + startOffset, System.Int32.Parse(doc.Get(field)), "Last doc");
}
[Test]
public virtual void TestLeftOpenRange_8bit()
{
TestLeftOpenRange(8);
}
[Test]
public virtual void TestLeftOpenRange_4bit()
{
TestLeftOpenRange(4);
}
[Test]
public virtual void TestLeftOpenRange_2bit()
{
TestLeftOpenRange(2);
}
private void TestRightOpenRange(int precisionStep)
{
System.String field = "field" + precisionStep;
int count = 3000;
int lower = (count - 1) * distance + (distance / 3) + startOffset;
NumericRangeQuery<int> q = NumericRangeQuery.NewIntRange(field, precisionStep, lower, null, true, true);
TopDocs topDocs = searcher.Search(q, null, noDocs, Sort.INDEXORDER);
System.Console.Out.WriteLine("Found " + q.TotalNumberOfTerms + " distinct terms in right open range for field '" + field + "'.");
ScoreDoc[] sd = topDocs.ScoreDocs;
Assert.IsNotNull(sd);
Assert.AreEqual(noDocs - count, sd.Length, "Score doc count");
Document doc = searcher.Doc(sd[0].Doc);
Assert.AreEqual(count * distance + startOffset, System.Int32.Parse(doc.Get(field)), "First doc");
doc = searcher.Doc(sd[sd.Length - 1].Doc);
Assert.AreEqual((noDocs - 1) * distance + startOffset, System.Int32.Parse(doc.Get(field)), "Last doc");
}
[Test]
public virtual void TestRightOpenRange_8bit()
{
TestRightOpenRange(8);
}
[Test]
public virtual void TestRightOpenRange_4bit()
{
TestRightOpenRange(4);
}
[Test]
public virtual void TestRightOpenRange_2bit()
{
TestRightOpenRange(2);
}
private void TestRandomTrieAndClassicRangeQuery(int precisionStep)
{
System.Random rnd = NewRandom();
System.String field = "field" + precisionStep;
int termCountT = 0, termCountC = 0;
for (int i = 0; i < 50; i++)
{
int lower = (int) (rnd.NextDouble() * noDocs * distance) + startOffset;
int upper = (int) (rnd.NextDouble() * noDocs * distance) + startOffset;
if (lower > upper)
{
int a = lower; lower = upper; upper = a;
}
// test inclusive range
System.Int32 tempAux = (System.Int32) lower;
System.Int32 tempAux2 = (System.Int32) upper;
NumericRangeQuery<int> tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux, tempAux2, true, true);
TermRangeQuery cq = new TermRangeQuery(field, NumericUtils.IntToPrefixCoded(lower), NumericUtils.IntToPrefixCoded(upper), true, true);
TopDocs tTopDocs = searcher.Search(tq, 1);
TopDocs cTopDocs = searcher.Search(cq, 1);
Assert.AreEqual(cTopDocs.TotalHits, tTopDocs.TotalHits, "Returned count for NumericRangeQuery and TermRangeQuery must be equal");
termCountT += tq.TotalNumberOfTerms;
termCountC += cq.TotalNumberOfTerms;
// test exclusive range
System.Int32 tempAux3 = (System.Int32) lower;
System.Int32 tempAux4 = (System.Int32) upper;
tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux3, tempAux4, false, false);
cq = new TermRangeQuery(field, NumericUtils.IntToPrefixCoded(lower), NumericUtils.IntToPrefixCoded(upper), false, false);
tTopDocs = searcher.Search(tq, 1);
cTopDocs = searcher.Search(cq, 1);
Assert.AreEqual(cTopDocs.TotalHits, tTopDocs.TotalHits, "Returned count for NumericRangeQuery and TermRangeQuery must be equal");
termCountT += tq.TotalNumberOfTerms;
termCountC += cq.TotalNumberOfTerms;
// test left exclusive range
System.Int32 tempAux5 = (System.Int32) lower;
System.Int32 tempAux6 = (System.Int32) upper;
tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux5, tempAux6, false, true);
cq = new TermRangeQuery(field, NumericUtils.IntToPrefixCoded(lower), NumericUtils.IntToPrefixCoded(upper), false, true);
tTopDocs = searcher.Search(tq, 1);
cTopDocs = searcher.Search(cq, 1);
Assert.AreEqual(cTopDocs.TotalHits, tTopDocs.TotalHits, "Returned count for NumericRangeQuery and TermRangeQuery must be equal");
termCountT += tq.TotalNumberOfTerms;
termCountC += cq.TotalNumberOfTerms;
// test right exclusive range
System.Int32 tempAux7 = (System.Int32) lower;
System.Int32 tempAux8 = (System.Int32) upper;
tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux7, tempAux8, true, false);
cq = new TermRangeQuery(field, NumericUtils.IntToPrefixCoded(lower), NumericUtils.IntToPrefixCoded(upper), true, false);
tTopDocs = searcher.Search(tq, 1);
cTopDocs = searcher.Search(cq, 1);
Assert.AreEqual(cTopDocs.TotalHits, tTopDocs.TotalHits, "Returned count for NumericRangeQuery and TermRangeQuery must be equal");
termCountT += tq.TotalNumberOfTerms;
termCountC += cq.TotalNumberOfTerms;
}
if (precisionStep == System.Int32.MaxValue)
{
Assert.AreEqual(termCountT, termCountC, "Total number of terms should be equal for unlimited precStep");
}
else
{
System.Console.Out.WriteLine("Average number of terms during random search on '" + field + "':");
System.Console.Out.WriteLine(" Trie query: " + (((double) termCountT) / (50 * 4)));
System.Console.Out.WriteLine(" Classical query: " + (((double) termCountC) / (50 * 4)));
}
}
[Test]
public virtual void TestRandomTrieAndClassicRangeQuery_8bit()
{
TestRandomTrieAndClassicRangeQuery(8);
}
[Test]
public virtual void TestRandomTrieAndClassicRangeQuery_4bit()
{
TestRandomTrieAndClassicRangeQuery(4);
}
[Test]
public virtual void TestRandomTrieAndClassicRangeQuery_2bit()
{
TestRandomTrieAndClassicRangeQuery(2);
}
[Test]
public virtual void TestRandomTrieAndClassicRangeQuery_NoTrie()
{
TestRandomTrieAndClassicRangeQuery(System.Int32.MaxValue);
}
private void TestRangeSplit(int precisionStep)
{
System.Random rnd = NewRandom();
System.String field = "ascfield" + precisionStep;
// 50 random tests
for (int i = 0; i < 50; i++)
{
int lower = (int) (rnd.NextDouble() * noDocs - noDocs / 2);
int upper = (int) (rnd.NextDouble() * noDocs - noDocs / 2);
if (lower > upper)
{
int a = lower; lower = upper; upper = a;
}
// test inclusive range
System.Int32 tempAux = (System.Int32) lower;
System.Int32 tempAux2 = (System.Int32) upper;
Query tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux, tempAux2, true, true);
TopDocs tTopDocs = searcher.Search(tq, 1);
Assert.AreEqual(upper - lower + 1, tTopDocs.TotalHits, "Returned count of range query must be equal to inclusive range length");
// test exclusive range
System.Int32 tempAux3 = (System.Int32) lower;
System.Int32 tempAux4 = (System.Int32) upper;
tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux3, tempAux4, false, false);
tTopDocs = searcher.Search(tq, 1);
Assert.AreEqual(System.Math.Max(upper - lower - 1, 0), tTopDocs.TotalHits, "Returned count of range query must be equal to exclusive range length");
// test left exclusive range
System.Int32 tempAux5 = (System.Int32) lower;
System.Int32 tempAux6 = (System.Int32) upper;
tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux5, tempAux6, false, true);
tTopDocs = searcher.Search(tq, 1);
Assert.AreEqual(upper - lower, tTopDocs.TotalHits, "Returned count of range query must be equal to half exclusive range length");
// test right exclusive range
System.Int32 tempAux7 = (System.Int32) lower;
System.Int32 tempAux8 = (System.Int32) upper;
tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux7, tempAux8, true, false);
tTopDocs = searcher.Search(tq, 1);
Assert.AreEqual(upper - lower, tTopDocs.TotalHits, "Returned count of range query must be equal to half exclusive range length");
}
}
[Test]
public virtual void TestRangeSplit_8bit()
{
TestRangeSplit(8);
}
[Test]
public virtual void TestRangeSplit_4bit()
{
TestRangeSplit(4);
}
[Test]
public virtual void TestRangeSplit_2bit()
{
TestRangeSplit(2);
}
/// <summary>we fake a float test using int2float conversion of NumericUtils </summary>
private void TestFloatRange(int precisionStep)
{
System.String field = "ascfield" + precisionStep;
int lower = - 1000;
int upper = + 2000;
System.Single tempAux = (float) NumericUtils.SortableIntToFloat(lower);
System.Single tempAux2 = (float) NumericUtils.SortableIntToFloat(upper);
Query tq = NumericRangeQuery.NewFloatRange(field, precisionStep, tempAux, tempAux2, true, true);
TopDocs tTopDocs = searcher.Search(tq, 1);
Assert.AreEqual(upper - lower + 1, tTopDocs.TotalHits, "Returned count of range query must be equal to inclusive range length");
System.Single tempAux3 = (float) NumericUtils.SortableIntToFloat(lower);
System.Single tempAux4 = (float) NumericUtils.SortableIntToFloat(upper);
Filter tf = NumericRangeFilter.NewFloatRange(field, precisionStep, tempAux3, tempAux4, true, true);
tTopDocs = searcher.Search(new MatchAllDocsQuery(), tf, 1);
Assert.AreEqual(upper - lower + 1, tTopDocs.TotalHits, "Returned count of range filter must be equal to inclusive range length");
}
[Test]
public virtual void TestFloatRange_8bit()
{
TestFloatRange(8);
}
[Test]
public virtual void TestFloatRange_4bit()
{
TestFloatRange(4);
}
[Test]
public virtual void TestFloatRange_2bit()
{
TestFloatRange(2);
}
private void TestSorting(int precisionStep)
{
System.Random rnd = NewRandom();
System.String field = "field" + precisionStep;
// 10 random tests, the index order is ascending,
// so using a reverse sort field should retun descending documents
for (int i = 0; i < 10; i++)
{
int lower = (int) (rnd.NextDouble() * noDocs * distance) + startOffset;
int upper = (int) (rnd.NextDouble() * noDocs * distance) + startOffset;
if (lower > upper)
{
int a = lower; lower = upper; upper = a;
}
System.Int32 tempAux = (System.Int32) lower;
System.Int32 tempAux2 = (System.Int32) upper;
Query tq = NumericRangeQuery.NewIntRange(field, precisionStep, tempAux, tempAux2, true, true);
TopDocs topDocs = searcher.Search(tq, null, noDocs, new Sort(new SortField(field, SortField.INT, true)));
if (topDocs.TotalHits == 0)
continue;
ScoreDoc[] sd = topDocs.ScoreDocs;
Assert.IsNotNull(sd);
int last = System.Int32.Parse(searcher.Doc(sd[0].Doc).Get(field));
for (int j = 1; j < sd.Length; j++)
{
int act = System.Int32.Parse(searcher.Doc(sd[j].Doc).Get(field));
Assert.IsTrue(last > act, "Docs should be sorted backwards");
last = act;
}
}
}
[Test]
public virtual void TestSorting_8bit()
{
TestSorting(8);
}
[Test]
public virtual void TestSorting_4bit()
{
TestSorting(4);
}
[Test]
public virtual void TestSorting_2bit()
{
TestSorting(2);
}
[Test]
public virtual void TestEqualsAndHash()
{
QueryUtils.CheckHashEquals(NumericRangeQuery.NewIntRange("test1", 4, 10, 20, true, true));
QueryUtils.CheckHashEquals(NumericRangeQuery.NewIntRange("test2", 4, 10, 20, false, true));
QueryUtils.CheckHashEquals(NumericRangeQuery.NewIntRange("test3", 4, 10, 20, true, false));
QueryUtils.CheckHashEquals(NumericRangeQuery.NewIntRange("test4", 4, 10, 20, false, false));
QueryUtils.CheckHashEquals(NumericRangeQuery.NewIntRange("test5", 4, 10, null, true, true));
QueryUtils.CheckHashEquals(NumericRangeQuery.NewIntRange("test6", 4, null, 20, true, true));
QueryUtils.CheckHashEquals(NumericRangeQuery.NewIntRange("test7", 4, null, null, true, true));
QueryUtils.CheckEqual(NumericRangeQuery.NewIntRange("test8", 4, 10, 20, true, true),
NumericRangeQuery.NewIntRange("test8", 4, 10, 20, true, true));
QueryUtils.CheckUnequal(NumericRangeQuery.NewIntRange("test9", 4, 10, 20, true, true),
NumericRangeQuery.NewIntRange("test9", 8, 10, 20, true, true));
QueryUtils.CheckUnequal(NumericRangeQuery.NewIntRange("test10a", 4, 10, 20, true, true),
NumericRangeQuery.NewIntRange("test10b", 4, 10, 20, true, true));
QueryUtils.CheckUnequal(NumericRangeQuery.NewIntRange("test11", 4, 10, 20, true, true),
NumericRangeQuery.NewIntRange("test11", 4, 20, 10, true, true));
QueryUtils.CheckUnequal(NumericRangeQuery.NewIntRange("test12", 4, 10, 20, true, true),
NumericRangeQuery.NewIntRange("test12", 4, 10, 20, false, true));
QueryUtils.CheckUnequal(NumericRangeQuery.NewIntRange("test13", 4, 10, 20, true, true),
NumericRangeQuery.NewFloatRange("test13", 4, 10f, 20f, true, true));
// the following produces a hash collision, because Long and Integer have the same hashcode, so only test equality:
Query q1 = NumericRangeQuery.NewIntRange("test14", 4, 10, 20, true, true);
Query q2 = NumericRangeQuery.NewLongRange("test14", 4, 10L, 20L, true, true);
Assert.IsFalse(q1.Equals(q2));
Assert.IsFalse(q2.Equals(q1));
}
private void testEnum(int lower, int upper)
{
NumericRangeQuery<int> q = NumericRangeQuery.NewIntRange("field4", 4, lower, upper, true, true);
FilteredTermEnum termEnum = q.GetEnum(searcher.IndexReader);
try
{
int count = 0;
do
{
Term t = termEnum.Term;
if (t != null)
{
int val = NumericUtils.PrefixCodedToInt(t.Text);
Assert.True(val >= lower && val <= upper, "value not in bounds");
count++;
}
else break;
} while (termEnum.Next());
Assert.False(termEnum.Next());
Console.WriteLine("TermEnum on 'field4' for range [" + lower + "," + upper + "] contained " + count +
" terms.");
}
finally
{
termEnum.Close();
}
}
public void testEnum()
{
int count = 3000;
int lower = (distance*3/2) + startOffset, upper = lower + count*distance + (distance/3);
// test enum with values
testEnum(lower, upper);
// test empty enum
testEnum(upper, lower);
// test empty enum outside of bounds
lower = distance*noDocs + startOffset;
upper = 2*lower;
testEnum(lower, upper);
}
static TestNumericRangeQuery32()
{
{
try
{
// set the theoretical maximum term count for 8bit (see docs for the number)
BooleanQuery.MaxClauseCount = 3 * 255 * 2 + 255;
directory = new RAMDirectory();
IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, MaxFieldLength.UNLIMITED);
NumericField field8 = new NumericField("field8", 8, Field.Store.YES, true), field4 = new NumericField("field4", 4, Field.Store.YES, true), field2 = new NumericField("field2", 2, Field.Store.YES, true), fieldNoTrie = new NumericField("field" + System.Int32.MaxValue, System.Int32.MaxValue, Field.Store.YES, true), ascfield8 = new NumericField("ascfield8", 8, Field.Store.NO, true), ascfield4 = new NumericField("ascfield4", 4, Field.Store.NO, true), ascfield2 = new NumericField("ascfield2", 2, Field.Store.NO, true);
Document doc = new Document();
// add fields, that have a distance to test general functionality
doc.Add(field8); doc.Add(field4); doc.Add(field2); doc.Add(fieldNoTrie);
// add ascending fields with a distance of 1, beginning at -noDocs/2 to test the correct splitting of range and inclusive/exclusive
doc.Add(ascfield8); doc.Add(ascfield4); doc.Add(ascfield2);
// Add a series of noDocs docs with increasing int values
for (int l = 0; l < noDocs; l++)
{
int val = distance * l + startOffset;
field8.SetIntValue(val);
field4.SetIntValue(val);
field2.SetIntValue(val);
fieldNoTrie.SetIntValue(val);
val = l - (noDocs / 2);
ascfield8.SetIntValue(val);
ascfield4.SetIntValue(val);
ascfield2.SetIntValue(val);
writer.AddDocument(doc);
}
writer.Optimize();
writer.Close();
searcher = new IndexSearcher(directory, true);
}
catch (System.Exception e)
{
throw new System.SystemException("", e);
}
}
}
}
}