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* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.index.fielddata;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.RandomAccessOrds;
import org.elasticsearch.common.settings.Settings;
import org.junit.Test;
import java.util.Random;
import static org.hamcrest.Matchers.equalTo;
public class FilterFieldDataTests extends AbstractFieldDataTestCase {
@Override
protected FieldDataType getFieldDataType() {
// TODO Auto-generated method stub
return null;
}
@Test
public void testFilterByFrequency() throws Exception {
Random random = getRandom();
for (int i = 0; i < 1000; i++) {
Document d = new Document();
d.add(new StringField("id", "" + i, Field.Store.NO));
if (i % 100 == 0) {
d.add(new StringField("high_freq", "100", Field.Store.NO));
d.add(new StringField("low_freq", "100", Field.Store.NO));
d.add(new StringField("med_freq", "100", Field.Store.NO));
}
if (i % 10 == 0) {
d.add(new StringField("high_freq", "10", Field.Store.NO));
d.add(new StringField("med_freq", "10", Field.Store.NO));
}
if (i % 5 == 0) {
d.add(new StringField("high_freq", "5", Field.Store.NO));
}
writer.addDocument(d);
}
writer.forceMerge(1, true);
LeafReaderContext context = refreshReader();
String[] formats = new String[] { "paged_bytes"};
for (String format : formats) {
{
ifdService.clear();
FieldDataType fieldDataType = new FieldDataType("string", Settings.builder().put("format", format)
.put("filter.frequency.min_segment_size", 100).put("filter.frequency.min", 0.0d).put("filter.frequency.max", random.nextBoolean() ? 100 : 0.5d));
IndexOrdinalsFieldData fieldData = getForField(fieldDataType, "high_freq");
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(2L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("10"));
assertThat(bytesValues.lookupOrd(1).utf8ToString(), equalTo("100"));
}
{
ifdService.clear();
FieldDataType fieldDataType = new FieldDataType("string", Settings.builder().put("format", format)
.put("filter.frequency.min_segment_size", 100).put("filter.frequency.min", random.nextBoolean() ? 101 : 101d/200.0d).put("filter.frequency.max", 201));
IndexOrdinalsFieldData fieldData = getForField(fieldDataType, "high_freq");
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(1L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("5"));
}
{
ifdService.clear(); // test # docs with value
FieldDataType fieldDataType = new FieldDataType("string", Settings.builder().put("format", format)
.put("filter.frequency.min_segment_size", 101).put("filter.frequency.min", random.nextBoolean() ? 101 : 101d/200.0d));
IndexOrdinalsFieldData fieldData = getForField(fieldDataType, "med_freq");
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(2L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("10"));
assertThat(bytesValues.lookupOrd(1).utf8ToString(), equalTo("100"));
}
{
ifdService.clear();
FieldDataType fieldDataType = new FieldDataType("string", Settings.builder().put("format", format)
.put("filter.frequency.min_segment_size", 101).put("filter.frequency.min", random.nextBoolean() ? 101 : 101d/200.0d));
IndexOrdinalsFieldData fieldData = getForField(fieldDataType, "med_freq");
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(2L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("10"));
assertThat(bytesValues.lookupOrd(1).utf8ToString(), equalTo("100"));
}
{
ifdService.clear();
FieldDataType fieldDataType = new FieldDataType("string", Settings.builder().put("format", format)
.put("filter.regex.pattern", "\\d{2,3}") // allows 10 & 100
.put("filter.frequency.min_segment_size", 0)
.put("filter.frequency.min", random.nextBoolean() ? 2 : 1d/200.0d) // 100, 10, 5
.put("filter.frequency.max", random.nextBoolean() ? 99 : 99d/200.0d)); // 100
IndexOrdinalsFieldData fieldData = getForField(fieldDataType, "high_freq");
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(1L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("100"));
}
}
}
@Test
public void testFilterByRegExp() throws Exception {
int hundred = 0;
int ten = 0;
int five = 0;
for (int i = 0; i < 1000; i++) {
Document d = new Document();
d.add(new StringField("id", "" + i, Field.Store.NO));
if (i % 100 == 0) {
hundred++;
d.add(new StringField("high_freq", "100", Field.Store.NO));
}
if (i % 10 == 0) {
ten++;
d.add(new StringField("high_freq", "10", Field.Store.NO));
}
if (i % 5 == 0) {
five++;
d.add(new StringField("high_freq", "5", Field.Store.NO));
}
writer.addDocument(d);
}
logger.debug(hundred + " " + ten + " " + five);
writer.forceMerge(1, true);
LeafReaderContext context = refreshReader();
String[] formats = new String[] { "paged_bytes"};
for (String format : formats) {
{
ifdService.clear();
FieldDataType fieldDataType = new FieldDataType("string", Settings.builder().put("format", format)
.put("filter.regex.pattern", "\\d"));
IndexOrdinalsFieldData fieldData = getForField(fieldDataType, "high_freq");
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(1L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("5"));
}
{
ifdService.clear();
FieldDataType fieldDataType = new FieldDataType("string", Settings.builder().put("format", format)
.put("filter.regex.pattern", "\\d{1,2}"));
IndexOrdinalsFieldData fieldData = getForField(fieldDataType, "high_freq");
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(2L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("10"));
assertThat(bytesValues.lookupOrd(1).utf8ToString(), equalTo("5"));
}
}
}
@Override
public void testEmpty() throws Exception {
// No need to test empty usage here
}
}