| /* |
| * 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.ignite.internal.sql.engine.util; |
| |
| import static org.apache.ignite.internal.util.CollectionUtils.nullOrEmpty; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import org.apache.calcite.rel.core.AggregateCall; |
| import org.apache.calcite.rel.hint.RelHint; |
| import org.apache.calcite.rel.logical.LogicalAggregate; |
| |
| /** |
| * HintUtils. |
| * TODO Documentation https://issues.apache.org/jira/browse/IGNITE-15859 |
| */ |
| public class HintUtils { |
| private HintUtils() { |
| // No-op. |
| } |
| |
| /** |
| * ContainsDisabledRules. |
| * TODO Documentation https://issues.apache.org/jira/browse/IGNITE-15859 |
| */ |
| public static boolean containsDisabledRules(List<RelHint> hints) { |
| return hints.stream() |
| .anyMatch(h -> "DISABLE_RULE".equals(h.hintName) && !h.listOptions.isEmpty()); |
| } |
| |
| /** |
| * DisabledRules. |
| * TODO Documentation https://issues.apache.org/jira/browse/IGNITE-15859 |
| */ |
| public static Set<String> disabledRules(List<RelHint> hints) { |
| if (nullOrEmpty(hints)) { |
| return Collections.emptySet(); |
| } |
| |
| return hints.stream() |
| .filter(h -> "DISABLE_RULE".equals(h.hintName)) |
| .flatMap(h -> h.listOptions.stream()) |
| .collect(Collectors.toSet()); |
| } |
| |
| /** |
| * IsExpandDistinctAggregate. |
| * TODO Documentation https://issues.apache.org/jira/browse/IGNITE-15859 |
| */ |
| public static boolean isExpandDistinctAggregate(LogicalAggregate rel) { |
| return rel.getHints().stream() |
| .anyMatch(h -> "EXPAND_DISTINCT_AGG".equals(h.hintName)) |
| && rel.getAggCallList().stream().anyMatch(AggregateCall::isDistinct); |
| } |
| } |