| /* |
| * 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.iotdb.db.metadata.mtree.schemafile; |
| |
| import org.apache.iotdb.commons.conf.CommonDescriptor; |
| import org.apache.iotdb.commons.exception.MetadataException; |
| import org.apache.iotdb.commons.schema.node.utils.IMNodeFactory; |
| import org.apache.iotdb.db.schemaengine.SchemaEngineMode; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.mnode.ICachedMNode; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.ISegment; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.RecordUtils; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.SchemaFileConfig; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.WrappedSegment; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.loader.MNodeFactoryLoader; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.write.schema.IMeasurementSchema; |
| import org.apache.tsfile.write.schema.MeasurementSchema; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.nio.ByteBuffer; |
| |
| public class WrappedSegmentTest { |
| |
| private static final IMNodeFactory<ICachedMNode> nodeFactory = |
| MNodeFactoryLoader.getInstance().getCachedMNodeIMNodeFactory(); |
| |
| @Before |
| public void setUp() { |
| CommonDescriptor.getInstance() |
| .getConfig() |
| .setSchemaEngineMode(SchemaEngineMode.PBTree.toString()); |
| EnvironmentUtils.envSetUp(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| EnvironmentUtils.cleanEnv(); |
| CommonDescriptor.getInstance() |
| .getConfig() |
| .setSchemaEngineMode(SchemaEngineMode.Memory.toString()); |
| } |
| |
| @Test |
| public void testUpdateAlias() throws MetadataException { |
| WrappedSegment sf = new WrappedSegment(500); |
| ICachedMNode node = getMeasurementNode(null, "s1", null); |
| sf.insertRecord("s1", RecordUtils.node2Buffer(node)); |
| node.getAsMeasurementMNode().setAlias("alias1"); |
| sf.updateRecord("s1", RecordUtils.node2Buffer(node)); |
| node.getAsMeasurementMNode().setAlias("alias2"); |
| sf.updateRecord("s1", RecordUtils.node2Buffer(node)); |
| Assert.assertEquals(null, sf.getRecordByAlias("alias1")); |
| ICachedMNode node1 = sf.getRecordByAlias("alias2"); |
| Assert.assertTrue(node1.isMeasurement()); |
| Assert.assertEquals("alias2", node1.getAsMeasurementMNode().getAlias()); |
| } |
| |
| @Test |
| public void flatTreeInsert() throws MetadataException { |
| WrappedSegment sf = new WrappedSegment(500); |
| ICachedMNode rNode = virtualFlatMTree(10); |
| for (ICachedMNode node : rNode.getChildren().values()) { |
| sf.insertRecord(node.getName(), RecordUtils.node2Buffer(node)); |
| } |
| sf.syncBuffer(); |
| |
| ByteBuffer recMid01 = sf.getRecord("mid1"); |
| Assert.assertEquals( |
| "[measurementNode, alias: mid1als, type: FLOAT, encoding: PLAIN, compressor: LZ4]", |
| RecordUtils.buffer2String(recMid01)); |
| |
| int resInsertNode = sf.insertRecord(rNode.getName(), RecordUtils.node2Buffer(rNode)); |
| System.out.println(resInsertNode); |
| System.out.println(sf); |
| Assert.assertEquals( |
| "[entityNode, not aligned, not using template.]", |
| RecordUtils.buffer2String(sf.getRecord("vRoot1"))); |
| |
| WrappedSegment nsf = new WrappedSegment(sf.getBufferCopy(), false); |
| System.out.println(nsf); |
| ByteBuffer nrec = nsf.getRecord("mid1"); |
| Assert.assertEquals( |
| "[measurementNode, alias: mid1als, type: FLOAT, encoding: PLAIN, compressor: LZ4]", |
| RecordUtils.buffer2String(nsf.getRecord("mid1"))); |
| Assert.assertEquals( |
| "[entityNode, not aligned, not using template.]", |
| RecordUtils.buffer2String(nsf.getRecord("vRoot1"))); |
| |
| ByteBuffer newBuffer = ByteBuffer.allocate(1500); |
| sf.extendsTo(newBuffer); |
| ISegment newSeg = WrappedSegment.loadAsSegment(newBuffer); |
| System.out.println(newSeg); |
| Assert.assertEquals( |
| RecordUtils.buffer2String(sf.getRecord("mid4")), |
| RecordUtils.buffer2String(((WrappedSegment) newSeg).getRecord("mid4"))); |
| Assert.assertEquals(sf.getRecord("aaa"), nsf.getRecord("aaa")); |
| } |
| |
| private ICachedMNode virtualFlatMTree(int childSize) { |
| ICachedMNode internalNode = nodeFactory.createDeviceMNode(null, "vRoot1").getAsMNode(); |
| |
| for (int idx = 0; idx < childSize; idx++) { |
| String measurementId = "mid" + idx; |
| IMeasurementSchema schema = new MeasurementSchema(measurementId, TSDataType.FLOAT); |
| internalNode.addChild( |
| nodeFactory |
| .createMeasurementMNode( |
| internalNode.getAsDeviceMNode(), measurementId, schema, measurementId + "als") |
| .getAsMNode()); |
| } |
| return internalNode; |
| } |
| |
| @Test |
| public void evenSplitTest() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(500); |
| ISegment<ByteBuffer, ICachedMNode> seg = WrappedSegment.initAsSegment(buffer); |
| String[] test = new String[] {"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9"}; |
| ICachedMNode mNode = getMeasurementNode(null, "m", null); |
| ByteBuffer buf = RecordUtils.node2Buffer(mNode); |
| |
| for (int i = 0; i < test.length; i++) { |
| seg.insertRecord(test[i], buf); |
| } |
| |
| ByteBuffer buf2 = ByteBuffer.allocate(500); |
| String sk = seg.splitByKey("a55", buf, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| |
| Assert.assertEquals("a5", sk); |
| Assert.assertEquals(4, seg.getAllRecords().size()); |
| Assert.assertEquals(6, WrappedSegment.loadAsSegment(buf2).getAllRecords().size()); |
| |
| seg.syncBuffer(); |
| ISegment seg3 = WrappedSegment.loadAsSegment(buffer); |
| Assert.assertEquals(seg.getAllRecords().size(), seg3.getAllRecords().size()); |
| |
| buf2.clear(); |
| seg.splitByKey(null, null, buf2, false); |
| Assert.assertEquals(2, seg.getAllRecords().size()); |
| |
| buf2.clear(); |
| seg.splitByKey(null, null, buf2, false); |
| Assert.assertEquals(1, seg.getAllRecords().size()); |
| |
| buf2.clear(); |
| seg.splitByKey("b", buf, buf2, false); |
| Assert.assertEquals(1, seg.getAllRecords().size()); |
| } |
| |
| @Test |
| public void increasingSplitTest() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(500); |
| ByteBuffer buf2 = ByteBuffer.allocate(500); |
| ISegment<ByteBuffer, ICachedMNode> seg = WrappedSegment.initAsSegment(buffer); |
| String[] test = new String[] {"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8"}; |
| ICachedMNode mNode = nodeFactory.createInternalMNode(null, "m"); |
| ByteBuffer buf = RecordUtils.node2Buffer(mNode); |
| |
| for (int i = 0; i < test.length; i++) { |
| seg.insertRecord(test[i], buf); |
| } |
| // at largest |
| String sk = seg.splitByKey("a9", buf, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a9", sk); |
| Assert.assertEquals(1, WrappedSegment.loadAsSegment(buf2).getAllRecords().size()); |
| |
| // at second-largest |
| seg.insertRecord("a71", buf); |
| seg.insertRecord("a72", buf); |
| buf2.clear(); |
| sk = seg.splitByKey("a73", buf, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a73", sk); |
| Assert.assertEquals(2, WrappedSegment.loadAsSegment(buf2).getAllRecords().size()); |
| |
| // at lower half |
| seg.insertRecord("a00", buf); |
| seg.insertRecord("a01", buf); |
| buf2.clear(); |
| sk = seg.splitByKey("a02", buf, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a3", sk); |
| Assert.assertEquals(5, seg.getAllRecords().size()); |
| } |
| |
| @Test |
| public void decreasingSplitTest() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(500); |
| ByteBuffer buf2 = ByteBuffer.allocate(500); |
| ISegment<ByteBuffer, ICachedMNode> seg = WrappedSegment.initAsSegment(buffer); |
| String[] test = new String[] {"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8"}; |
| ICachedMNode mNode = nodeFactory.createInternalMNode(null, "m"); |
| ByteBuffer buf = RecordUtils.node2Buffer(mNode); |
| |
| for (int i = test.length - 1; i >= 0; i--) { |
| seg.insertRecord(test[i], buf); |
| } |
| // at second-smallest |
| seg.insertRecord("a12", buf); |
| seg.insertRecord("a11", buf); |
| |
| String sk = seg.splitByKey("a10", buf, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a11", sk); |
| Assert.assertEquals(2, seg.getAllRecords().size()); |
| Assert.assertEquals(9, WrappedSegment.loadAsSegment(buf2).getAllRecords().size()); |
| |
| // at higher half |
| test = new String[] {"a5", "a6", "a7", "a8"}; |
| for (int i = test.length - 1; i >= 0; i--) { |
| seg.insertRecord(test[i], buf); |
| } |
| seg.insertRecord("a84", buf); |
| seg.insertRecord("a83", buf); |
| buf2.clear(); |
| sk = seg.splitByKey("a82", buf, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| |
| Assert.assertEquals("a7", sk); |
| Assert.assertEquals(4, seg.getAllRecords().size()); |
| |
| // at third-smallest |
| seg.insertRecord("a43", buf); |
| seg.insertRecord("a42", buf); |
| |
| buf2.clear(); |
| sk = seg.splitByKey("a41", buf, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| |
| Assert.assertEquals("a42", sk); |
| Assert.assertEquals(3, seg.getAllRecords().size()); |
| } |
| |
| public void print(ByteBuffer buf) throws MetadataException { |
| System.out.println(WrappedSegment.loadAsSegment(buf).inspect()); |
| } |
| |
| public void print(Object s) { |
| System.out.println(s); |
| } |
| |
| private ICachedMNode getMeasurementNode(ICachedMNode par, String name, String alias) { |
| IMeasurementSchema schema = new MeasurementSchema(name, TSDataType.FLOAT); |
| return nodeFactory |
| .createMeasurementMNode(par == null ? null : par.getAsDeviceMNode(), name, schema, alias) |
| .getAsMNode(); |
| } |
| } |