| // 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.doris.analysis; |
| |
| public class MVColumnOneChildPattern implements MVColumnPattern { |
| |
| private String functionName; |
| |
| public MVColumnOneChildPattern(String functionName) { |
| this.functionName = functionName; |
| } |
| |
| @Override |
| public boolean match(Expr expr) { |
| if (!(expr instanceof FunctionCallExpr)) { |
| return false; |
| } |
| FunctionCallExpr functionCallExpr = (FunctionCallExpr) expr; |
| if (functionCallExpr.isDistinct()) { |
| return false; |
| } |
| String exprFnName = functionCallExpr.getFnName().getFunction(); |
| if (!exprFnName.equalsIgnoreCase(functionName)) { |
| return false; |
| } |
| if (functionCallExpr.getChildren().size() != 1) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return functionName + "(column)"; |
| } |
| } |
