| /* |
| * 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 maynot 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 applicablelaw 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 static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.hadoop.hbase.client.Scan; |
| import org.apache.phoenix.filter.SkipScanFilter; |
| import org.apache.phoenix.query.KeyRange; |
| import org.apache.phoenix.schema.types.PVarchar; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Lists; |
| |
| public class ScanRangesIntersectTest { |
| |
| @Test |
| public void testPointLookupIntersect() throws Exception { |
| List<KeyRange> keys = points("a","j","m","z"); |
| ScanRanges ranges = ScanRanges.createPointLookup(keys); |
| assertIntersect(ranges, "b", "l", "j"); |
| |
| } |
| |
| private static void assertIntersect(ScanRanges ranges, String lowerRange, String upperRange, String... expectedPoints) { |
| List<KeyRange> expectedKeys = points(expectedPoints); |
| Collections.sort(expectedKeys,KeyRange.COMPARATOR); |
| Scan scan = new Scan(); |
| scan.setFilter(ranges.getSkipScanFilter()); |
| byte[] startKey = lowerRange == null ? KeyRange.UNBOUND : PVarchar.INSTANCE.toBytes(lowerRange); |
| byte[] stopKey = upperRange == null ? KeyRange.UNBOUND : PVarchar.INSTANCE.toBytes(upperRange); |
| Scan newScan = ranges.intersectScan(scan, startKey, stopKey, 0, true); |
| if (expectedPoints.length == 0) { |
| assertNull(newScan); |
| } else { |
| assertNotNull(newScan); |
| SkipScanFilter filter = (SkipScanFilter)newScan.getFilter(); |
| assertEquals(expectedKeys, filter.getSlots().get(0)); |
| } |
| } |
| |
| private static List<KeyRange> points(String... points) { |
| List<KeyRange> keys = Lists.newArrayListWithExpectedSize(points.length); |
| for (String point : points) { |
| keys.add(KeyRange.getKeyRange(PVarchar.INSTANCE.toBytes(point))); |
| } |
| return keys; |
| } |
| } |