| /* |
| * 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.exception.MetadataException; |
| import org.apache.iotdb.db.conf.IoTDBDescriptor; |
| import org.apache.iotdb.db.metadata.mtree.store.disk.schemafile.ISchemaPage; |
| import org.apache.iotdb.db.metadata.mtree.store.disk.schemafile.ISegment; |
| import org.apache.iotdb.db.metadata.mtree.store.disk.schemafile.SchemaFileConfig; |
| import org.apache.iotdb.db.metadata.schemaregion.SchemaEngineMode; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.nio.ByteBuffer; |
| |
| public class InternalPageTest { |
| @Before |
| public void setUp() { |
| IoTDBDescriptor.getInstance() |
| .getConfig() |
| .setSchemaEngineMode(SchemaEngineMode.Schema_File.toString()); |
| EnvironmentUtils.envSetUp(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| EnvironmentUtils.cleanEnv(); |
| IoTDBDescriptor.getInstance() |
| .getConfig() |
| .setSchemaEngineMode(SchemaEngineMode.Memory.toString()); |
| } |
| |
| @Test |
| public void initTest() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(1000); |
| |
| ISegment<Integer, Integer> seg = |
| ISchemaPage.initInternalPage(buffer, 0, 999).getAsInternalPage(); |
| String[] test = |
| new String[] {"abc", "key3", "key4", "key9", "key5", "key6", "key112", "key888"}; |
| |
| for (int i = 0; i < test.length; i++) { |
| seg.insertRecord(test[i], i); |
| } |
| seg.syncBuffer(); |
| buffer.clear(); |
| ISegment<Integer, Integer> seg2 = ISchemaPage.loadSchemaPage(buffer).getAsInternalPage(); |
| Assert.assertEquals(seg.inspect(), seg2.inspect()); |
| |
| Assert.assertTrue(seg2.hasRecordKey("key5")); |
| Assert.assertFalse(seg2.hasRecordKey("key51")); |
| Assert.assertEquals(2, seg2.getRecordByKey("key41").intValue()); |
| Assert.assertEquals(0, seg2.getRecordByKey("abd").intValue()); |
| Assert.assertEquals(3, seg2.getRecordByKey("zzz").intValue()); |
| } |
| |
| @Test |
| public void evenSplitTest() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(170); |
| |
| ISegment<Integer, Integer> seg = |
| ISchemaPage.initInternalPage(buffer, 0, 999).getAsInternalPage(); |
| String[] test = new String[] {"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a9"}; |
| |
| for (int i = 0; i < test.length; i++) { |
| seg.insertRecord(test[i], i); |
| } |
| |
| ByteBuffer buf2 = ByteBuffer.allocate(170); |
| String sk = seg.splitByKey("a8", 666, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| |
| Assert.assertEquals("a5", sk); |
| buf2.clear(); |
| ISegment<Integer, Integer> seg2 = ISchemaPage.loadSchemaPage(buf2).getAsInternalPage(); |
| Assert.assertEquals(4, seg2.getRecordByKey("a5").intValue()); |
| Assert.assertEquals(5, seg2.getRecordByKey("a6").intValue()); |
| Assert.assertEquals(999, seg.getRecordByKey("a").intValue()); |
| } |
| |
| @Test |
| public void increasingSplitTest() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(300); |
| |
| ISegment<Integer, Integer> seg = |
| ISchemaPage.initInternalPage(buffer, 0, 999).getAsInternalPage(); |
| String[] test = new String[] {"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a9"}; |
| |
| for (int i = 0; i < test.length; i++) { |
| seg.insertRecord(test[i], i); |
| } |
| |
| seg.insertRecord("a61", 10); |
| seg.insertRecord("a62", 11); |
| seg.insertRecord("a63", 12); |
| |
| ByteBuffer buf2 = ByteBuffer.allocate(300); |
| |
| // split when insert the biggest key |
| String sk = seg.splitByKey("a99", 666, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| |
| Assert.assertEquals("a9", sk); |
| buf2.clear(); |
| Assert.assertEquals( |
| Integer.valueOf(7), |
| ISchemaPage.loadSchemaPage(buf2).getAsInternalPage().getRecordByKey("a91")); |
| |
| Assert.assertEquals(117, seg.insertRecord("a1", 0)); |
| |
| buf2.clear(); |
| seg.insertRecord("a21", 20); |
| seg.insertRecord("a22", 21); |
| seg.insertRecord("a23", 22); |
| |
| // split when insert the second-biggest key |
| sk = seg.splitByKey("a64", 6464, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a63", sk); |
| |
| seg.insertRecord("a11", 11); |
| seg.insertRecord("a12", 12); |
| |
| buf2.clear(); |
| sk = seg.splitByKey("a24", 24, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| |
| Assert.assertEquals("a23", sk); |
| buf2.clear(); |
| Assert.assertEquals( |
| Integer.valueOf(24), |
| ISchemaPage.loadSchemaPage(buf2).getAsInternalPage().getRecordByKey("a24")); |
| |
| Assert.assertEquals(172, seg.insertRecord("a1", 0)); |
| buf2.clear(); |
| Assert.assertEquals( |
| 159, ISchemaPage.loadSchemaPage(buf2).getAsInternalPage().insertRecord("a24", 0)); |
| } |
| |
| @Test |
| public void decreasingSplitTest() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(300); |
| |
| ISegment<Integer, Integer> seg = |
| ISchemaPage.initInternalPage(buffer, 0, 999).getAsInternalPage(); |
| String[] test = new String[] {"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a9"}; |
| |
| for (int i = test.length - 1; i >= 0; i--) { |
| seg.insertRecord(test[i], i); |
| } |
| |
| ByteBuffer buf2 = ByteBuffer.allocate(300); |
| |
| // split with the smallest key |
| String sk = seg.splitByKey("a0", 90, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a1", sk); |
| |
| Assert.assertEquals(246, seg.insertRecord("a0", 9)); |
| buf2.clear(); |
| Assert.assertEquals( |
| 162, ISchemaPage.loadSchemaPage(buf2).getAsInternalPage().insertRecord("a2", 0)); |
| |
| seg.insertRecord("a13", 12); |
| seg.insertRecord("a12", 11); |
| |
| // split with the second-smallest key |
| sk = seg.splitByKey("a11", 110, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a11", sk); |
| Assert.assertEquals(246, seg.insertRecord("a0", 1)); |
| buf2.clear(); |
| Assert.assertEquals( |
| Integer.valueOf(110), |
| ISchemaPage.loadSchemaPage(buf2).getAsInternalPage().getRecordByKey("a11")); |
| } |
| |
| @Test |
| public void increasingOnLowIndex() throws MetadataException { |
| ByteBuffer buffer = ByteBuffer.allocate(300); |
| |
| ISegment<Integer, Integer> seg = |
| ISchemaPage.initInternalPage(buffer, 0, 999).getAsInternalPage(); |
| String[] test = new String[] {"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9"}; |
| |
| for (int i = 0; i < test.length; i++) { |
| seg.insertRecord(test[i], i); |
| } |
| |
| seg.insertRecord("a01", 10); |
| seg.insertRecord("a02", 20); |
| |
| ByteBuffer buf2 = ByteBuffer.allocate(300); |
| |
| // split when insert the biggest key |
| String sk = seg.splitByKey("a04", 30, buf2, SchemaFileConfig.INCLINED_SPLIT); |
| Assert.assertEquals("a3", sk); |
| Assert.assertEquals(6, seg.getAllRecords().size()); |
| } |
| |
| public void print(ByteBuffer buf) throws MetadataException { |
| System.out.println(ISchemaPage.loadSchemaPage(buf).getAsInternalPage().inspect()); |
| } |
| |
| public void print(Object s) { |
| System.out.println(s); |
| } |
| } |