| /* |
| * 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.queryengine.execution.operator.schema; |
| |
| import org.apache.iotdb.commons.path.MeasurementPath; |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.commons.path.PathPatternTree; |
| import org.apache.iotdb.db.queryengine.common.schematree.ClusterSchemaTree; |
| import org.apache.iotdb.db.queryengine.common.schematree.DeviceSchemaInfo; |
| import org.apache.iotdb.db.queryengine.common.schematree.ISchemaTree; |
| import org.apache.iotdb.db.schemaengine.schemaregion.ISchemaRegion; |
| |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.file.metadata.enums.CompressionType; |
| import org.apache.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.tsfile.read.common.block.TsBlock; |
| import org.apache.tsfile.utils.Binary; |
| import org.apache.tsfile.utils.Pair; |
| import org.apache.tsfile.utils.ReadWriteIOUtils; |
| import org.apache.tsfile.write.schema.IMeasurementSchema; |
| import org.apache.tsfile.write.schema.MeasurementSchema; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| public class SchemaFetchScanOperatorTest { |
| |
| @Test |
| public void testSchemaFetchResult() throws Exception { |
| ISchemaRegion schemaRegion = mockSchemaRegion(); |
| |
| PathPatternTree patternTree = new PathPatternTree(); |
| patternTree.appendPathPattern(new PartialPath("root.**.status")); |
| patternTree.appendPathPattern(new PartialPath("root.**.s1")); |
| patternTree.constructTree(); |
| |
| SchemaFetchScanOperator schemaFetchScanOperator = |
| new SchemaFetchScanOperator( |
| null, null, patternTree, Collections.emptyMap(), schemaRegion, false, true); |
| |
| Assert.assertTrue(schemaFetchScanOperator.hasNext()); |
| |
| TsBlock tsBlock = schemaFetchScanOperator.next(); |
| |
| Assert.assertFalse(schemaFetchScanOperator.hasNext()); |
| |
| Binary binary = tsBlock.getColumn(0).getBinary(0); |
| InputStream inputStream = new ByteArrayInputStream(binary.getValues()); |
| Assert.assertEquals(1, ReadWriteIOUtils.readByte(inputStream)); |
| ISchemaTree schemaTree = ClusterSchemaTree.deserialize(inputStream); |
| |
| DeviceSchemaInfo deviceSchemaInfo = |
| schemaTree.searchDeviceSchemaInfo( |
| new PartialPath("root.sg.d2.a"), Arrays.asList("s1", "status")); |
| Assert.assertTrue(deviceSchemaInfo.isAligned()); |
| List<MeasurementSchema> measurementSchemaList = deviceSchemaInfo.getMeasurementSchemaList(); |
| Assert.assertEquals(2, measurementSchemaList.size()); |
| Assert.assertEquals( |
| Arrays.asList("s1", "s2"), |
| measurementSchemaList.stream() |
| .map(IMeasurementSchema::getMeasurementId) |
| .sorted() |
| .collect(Collectors.toList())); |
| |
| Pair<List<MeasurementPath>, Integer> pair = |
| schemaTree.searchMeasurementPaths(new PartialPath("root.sg.**.status"), 0, 0, false); |
| Assert.assertEquals(3, pair.left.size()); |
| Assert.assertEquals( |
| Arrays.asList("root.sg.d1.s2", "root.sg.d2.a.s2", "root.sg.d2.s2"), |
| pair.left.stream().map(MeasurementPath::getFullPath).collect(Collectors.toList())); |
| } |
| |
| private ISchemaRegion mockSchemaRegion() throws Exception { |
| ISchemaRegion schemaRegion = Mockito.mock(ISchemaRegion.class); |
| |
| MeasurementPath d1s1 = |
| new MeasurementPath( |
| new PartialPath("root.sg.d1.s1"), |
| new MeasurementSchema( |
| "s1", TSDataType.INT32, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED, null), |
| false); |
| MeasurementPath d1s2 = |
| new MeasurementPath( |
| new PartialPath("root.sg.d1.s2"), |
| new MeasurementSchema( |
| "s2", TSDataType.INT32, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED, null), |
| false); |
| d1s2.setMeasurementAlias("status"); |
| |
| MeasurementPath d2s1 = |
| new MeasurementPath( |
| new PartialPath("root.sg.d2.s1"), |
| new MeasurementSchema( |
| "s1", TSDataType.INT32, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED, null), |
| false); |
| MeasurementPath d2s2 = |
| new MeasurementPath( |
| new PartialPath("root.sg.d2.s2"), |
| new MeasurementSchema( |
| "s2", TSDataType.INT32, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED, null), |
| false); |
| d2s2.setMeasurementAlias("status"); |
| |
| MeasurementPath d2as1 = |
| new MeasurementPath( |
| new PartialPath("root.sg.d2.a.s1"), |
| new MeasurementSchema( |
| "s1", TSDataType.INT32, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED, null), |
| true); |
| MeasurementPath d2as2 = |
| new MeasurementPath( |
| new PartialPath("root.sg.d2.a.s2"), |
| new MeasurementSchema( |
| "s2", TSDataType.INT32, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED, null), |
| true); |
| d2as2.setMeasurementAlias("status"); |
| |
| ClusterSchemaTree clusterSchemaTree = new ClusterSchemaTree(); |
| clusterSchemaTree.appendSingleMeasurementPath(d1s2); |
| clusterSchemaTree.appendSingleMeasurementPath(d2as2); |
| clusterSchemaTree.appendSingleMeasurementPath(d2s2); |
| clusterSchemaTree.appendSingleMeasurementPath(d1s1); |
| clusterSchemaTree.appendSingleMeasurementPath(d2as1); |
| clusterSchemaTree.appendSingleMeasurementPath(d2s1); |
| |
| PathPatternTree patternTree = new PathPatternTree(); |
| patternTree.appendPathPattern(new PartialPath("root.**.status")); |
| patternTree.appendPathPattern(new PartialPath("root.**.s1")); |
| patternTree.constructTree(); |
| Mockito.when(schemaRegion.fetchSchema(patternTree, Collections.emptyMap(), false, true)) |
| .thenReturn(clusterSchemaTree); |
| |
| return schemaRegion; |
| } |
| } |