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/*
* 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.
*/
package org.apache.phoenix.compile;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.phoenix.query.KeyRange;
import org.apache.phoenix.schema.PDatum;
import org.apache.phoenix.schema.RowKeySchema.RowKeySchemaBuilder;
import org.apache.phoenix.schema.SaltingUtil;
import org.apache.phoenix.schema.SortOrder;
import org.apache.phoenix.schema.types.PChar;
import org.apache.phoenix.schema.types.PDataType;
import org.apache.phoenix.schema.types.PVarchar;
import org.apache.phoenix.util.ByteUtil;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import com.google.common.base.Function;
import com.google.common.collect.Lists;
/**
* Test for intersect method in {@link ScanRanges} over salted data
*/
@RunWith(Parameterized.class)
public class SaltedScanRangesTest {
private static Integer nBuckets = 3;
private final ScanRanges scanRanges;
private final KeyRange keyRange;
private final boolean expectedResult;
public SaltedScanRangesTest(ScanRanges scanRanges, int[] widths,
KeyRange keyRange, boolean expectedResult) {
this.keyRange = keyRange;
this.scanRanges = scanRanges;
this.expectedResult = expectedResult;
}
@Test
public void test() {
byte[] lowerInclusiveKey = keyRange.getLowerRange();
if (!keyRange.isLowerInclusive() && !Bytes.equals(lowerInclusiveKey, KeyRange.UNBOUND)) {
// This assumes the last key is fixed length, otherwise the results may be incorrect
// since there's no terminating 0 byte for a variable length key and thus we may be
// incrementing the key too much.
lowerInclusiveKey = ByteUtil.nextKey(lowerInclusiveKey);
}
byte[] upperExclusiveKey = keyRange.getUpperRange();
if (keyRange.isUpperInclusive()) {
// This assumes the last key is fixed length, otherwise the results may be incorrect
// since there's no terminating 0 byte for a variable length key and thus we may be
// incrementing the key too much.
upperExclusiveKey = ByteUtil.nextKey(upperExclusiveKey);
}
assertEquals(expectedResult, scanRanges.intersectRegion(lowerInclusiveKey,upperExclusiveKey,false));
}
@Parameters(name="{0} {2}")
public static Collection<Object> data() {
List<Object> testCases = Lists.newArrayList();
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
}},
new int[] {0},
KeyRange.getKeyRange(KeyRange.UNBOUND, new byte[]{1}),
false,
true));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
}},
new int[] {0},
KeyRange.getKeyRange(new byte[]{1},new byte[]{2}),
false,
true));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
}},
new int[] {0},
KeyRange.getKeyRange(new byte[]{2},KeyRange.UNBOUND),
false,
true));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
}},
new int[] {0},
KeyRange.getKeyRange(new byte[]{1},ByteUtil.concat(new byte[]{1}, Bytes.toBytes("c"))),
false,
false));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
}},
new int[] {0},
KeyRange.getKeyRange(ByteUtil.concat(new byte[]{1}, Bytes.toBytes("e")), new byte[]{2}),
false,
false));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
}},
new int[] {0},
KeyRange.getKeyRange(ByteUtil.concat(new byte[]{1}, Bytes.toBytes("d")), new byte[]{2}),
false,
true));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("h"), true, Bytes.toBytes("i"), false),
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("m"), true, Bytes.toBytes("p"), false),
}},
new int[] {0},
KeyRange.getKeyRange(ByteUtil.concat(new byte[]{1}, Bytes.toBytes("f")), ByteUtil.concat(new byte[]{1}, Bytes.toBytes("g"))),
false,
true));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, Bytes.toBytes("e"), false),
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("h"), true, Bytes.toBytes("i"), false),
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("m"), true, Bytes.toBytes("p"), false),
}},
new int[] {0},
KeyRange.getKeyRange(ByteUtil.concat(new byte[]{1}, Bytes.toBytes("f")), ByteUtil.concat(new byte[]{1}, Bytes.toBytes("g"))),
true,
false));
testCases.addAll(
foreach(new KeyRange[][]{{
PVarchar.INSTANCE.getKeyRange(Bytes.toBytes("c"), true, KeyRange.UNBOUND, false),
}},
new int[] {1},
KeyRange.getKeyRange(new byte[]{1,0},new byte[]{2,0}),
false,
true));
return testCases;
}
private static Collection<?> foreach(ScanRanges ranges, int[] widths, KeyRange keyRange,
boolean expectedResult) {
List<Object> ret = Lists.newArrayList();
ret.add(new Object[] {ranges, widths, keyRange, expectedResult});
return ret;
}
private static Collection<?> foreach(KeyRange[][] ranges, int[] widths, KeyRange keyRange, boolean useSkipScan,
boolean expectedResult) {
List<List<KeyRange>> slots = Lists.transform(Lists.newArrayList(ranges), ARRAY_TO_LIST);
slots = new ArrayList<>(slots);
slots.add(0, Collections.singletonList(KeyRange.getKeyRange(new byte[]{0})));
RowKeySchemaBuilder builder = new RowKeySchemaBuilder(10);
builder.addField(SaltingUtil.SALTING_COLUMN, false, SortOrder.getDefault());
for (final int width : widths) {
if (width > 0) {
builder.addField(new PDatum() {
@Override
public boolean isNullable() {
return false;
}
@Override
public PDataType getDataType() {
return PChar.INSTANCE;
}
@Override
public Integer getMaxLength() {
return width;
}
@Override
public Integer getScale() {
return null;
}
@Override
public SortOrder getSortOrder() {
return SortOrder.getDefault();
}
}, false, SortOrder.getDefault());
} else {
builder.addField(new PDatum() {
@Override
public boolean isNullable() {
return false;
}
@Override
public PDataType getDataType() {
return PVarchar.INSTANCE;
}
@Override
public Integer getMaxLength() {
return width;
}
@Override
public Integer getScale() {
return null;
}
@Override
public SortOrder getSortOrder() {
return SortOrder.getDefault();
}
}, false, SortOrder.getDefault());
}
}
ScanRanges scanRanges = ScanRanges.createSingleSpan(builder.build(), slots, nBuckets , useSkipScan);
return foreach(scanRanges, widths, keyRange, expectedResult);
}
private static final Function<KeyRange[], List<KeyRange>> ARRAY_TO_LIST =
new Function<KeyRange[], List<KeyRange>>() {
@Override
public List<KeyRange> apply(KeyRange[] input) {
return Lists.newArrayList(input);
}
};
}