| /* |
| * 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.plan.planner; |
| |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.db.queryengine.common.NodeRef; |
| import org.apache.iotdb.db.queryengine.plan.expression.Expression; |
| import org.apache.iotdb.db.queryengine.plan.expression.leaf.TimeSeriesOperand; |
| import org.apache.iotdb.db.queryengine.plan.expression.multi.FunctionExpression; |
| |
| import org.apache.tsfile.enums.TSDataType; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| public class ExpressionTest { |
| |
| @Test |
| public void testIsMappable() { |
| try { |
| TimeSeriesOperand input = new TimeSeriesOperand(new PartialPath("root.sg.a")); |
| FunctionExpression masterRepair = |
| new FunctionExpression( |
| "Master_Repair", new LinkedHashMap<>(), Collections.singletonList(input)); |
| FunctionExpression abs = |
| new FunctionExpression( |
| "abs", new LinkedHashMap<>(), Collections.singletonList(masterRepair)); |
| FunctionExpression rawAbs = |
| new FunctionExpression("abs", new LinkedHashMap<>(), Collections.singletonList(input)); |
| FunctionExpression masterRepairAbs = |
| new FunctionExpression( |
| "Master_Repair", new LinkedHashMap<>(), Collections.singletonList(rawAbs)); |
| Map<NodeRef<Expression>, TSDataType> expressionTypes = new HashMap<>(); |
| expressionTypes.put(NodeRef.of(input), TSDataType.INT32); |
| expressionTypes.put(NodeRef.of(masterRepair), TSDataType.INT32); |
| expressionTypes.put(NodeRef.of(rawAbs), TSDataType.INT32); |
| Assert.assertTrue(input.isMappable(expressionTypes)); |
| Assert.assertFalse(masterRepair.isMappable(expressionTypes)); |
| // abs(M4(input)) is not mappable because MasterRepair is not mappable |
| Assert.assertFalse(abs.isMappable(expressionTypes)); |
| Assert.assertFalse(masterRepairAbs.isMappable(expressionTypes)); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| Assert.fail(); |
| } |
| } |
| } |