| /* |
| * 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); |
| } |
| }; |
| } |