| /* |
| * 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.atlas.query; |
| |
| import com.google.common.collect.ImmutableSet; |
| import org.apache.atlas.AtlasException; |
| import org.apache.atlas.typesystem.types.ClassType; |
| import org.apache.atlas.typesystem.types.DataTypes; |
| import org.apache.atlas.typesystem.types.DataTypes.TypeCategory; |
| import org.apache.atlas.typesystem.types.HierarchicalTypeDefinition; |
| import org.apache.atlas.typesystem.types.IDataType; |
| import org.apache.atlas.typesystem.types.TypeSystem; |
| import org.apache.atlas.typesystem.types.cache.DefaultTypeCache; |
| import org.testng.annotations.Test; |
| import scala.util.Either; |
| import scala.util.parsing.combinator.Parsers; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import static org.apache.atlas.typesystem.types.utils.TypesUtil.createClassTypeDef; |
| import static org.apache.atlas.typesystem.types.utils.TypesUtil.createRequiredAttrDef; |
| import static org.testng.Assert.assertFalse; |
| import static org.testng.Assert.assertTrue; |
| |
| /** |
| * Tests the logic for skipping type cache lookup for things that |
| * cannot be types. |
| * |
| */ |
| public class QueryProcessorTest { |
| |
| |
| @Test |
| public void testAliasesNotTreatedAsTypes() throws Exception { |
| |
| ValidatingTypeCache tc = findTypeLookupsDuringQueryParsing("hive_db as inst where inst.name=\"Reporting\" select inst as id, inst.name"); |
| assertTrue(tc.wasTypeRequested("hive_db")); |
| assertFalse(tc.wasTypeRequested("inst")); |
| assertFalse(tc.wasTypeRequested("name")); |
| |
| } |
| |
| |
| @Test |
| public void testFieldInComparisionNotTreatedAsType() throws Exception { |
| |
| //test when the IdExpression is on the left, on the right, and on both sides of the ComparsionExpression |
| ValidatingTypeCache tc = findTypeLookupsDuringQueryParsing("hive_db where name=\"Reporting\" or \"Reporting\" = name or name=name"); |
| assertTrue(tc.wasTypeRequested("hive_db")); |
| assertFalse(tc.wasTypeRequested("name")); |
| |
| } |
| |
| |
| @Test |
| public void testFieldInArithmeticExprNotTreatedAsType() throws Exception { |
| |
| //test when the IdExpression is on the left, on the right, and on both sides of the ArithmeticExpression |
| ValidatingTypeCache tc = findTypeLookupsDuringQueryParsing("hive_db where (tableCount + 3) > (tableCount + tableCount) select (3 + tableCount) as updatedCount"); |
| |
| assertTrue(tc.wasTypeRequested("hive_db")); |
| assertFalse(tc.wasTypeRequested("tableCount")); |
| assertFalse(tc.wasTypeRequested("updatedCount")); |
| |
| } |
| |
| @Test |
| public void testFieldInSelectListWithAlasNotTreatedAsType() throws Exception { |
| |
| ValidatingTypeCache tc = findTypeLookupsDuringQueryParsing("hive_db select name as theName"); |
| assertTrue(tc.wasTypeRequested("hive_db")); |
| assertFalse(tc.wasTypeRequested("theName")); |
| assertFalse(tc.wasTypeRequested("name")); |
| |
| } |
| |
| @Test |
| public void testFieldInSelectListNotTreatedAsType() throws Exception { |
| |
| |
| ValidatingTypeCache tc = findTypeLookupsDuringQueryParsing("hive_db select name"); |
| assertTrue(tc.wasTypeRequested("hive_db")); |
| assertFalse(tc.wasTypeRequested("name")); |
| |
| } |
| |
| private ValidatingTypeCache findTypeLookupsDuringQueryParsing(String query) throws AtlasException { |
| TypeSystem typeSystem = TypeSystem.getInstance(); |
| ValidatingTypeCache result = new ValidatingTypeCache(); |
| typeSystem.setTypeCache(result); |
| typeSystem.reset(); |
| HierarchicalTypeDefinition<ClassType> hiveTypeDef = createClassTypeDef("hive_db", "", ImmutableSet.<String>of(), |
| createRequiredAttrDef("name", DataTypes.STRING_TYPE), |
| createRequiredAttrDef("tableCount", DataTypes.INT_TYPE) |
| ); |
| typeSystem.defineClassType(hiveTypeDef); |
| |
| Either<Parsers.NoSuccess, Expressions.Expression> either = QueryParser.apply(query, null); |
| Expressions.Expression expression = either.right().get(); |
| |
| QueryProcessor.validate(expression); |
| |
| return result; |
| } |
| |
| private static class ValidatingTypeCache extends DefaultTypeCache { |
| |
| private Set<String> typesRequested = new HashSet<>(); |
| |
| @Override |
| public boolean has(String typeName) throws AtlasException { |
| typesRequested.add(typeName); |
| return super.has(typeName); |
| } |
| |
| @Override |
| public boolean has(TypeCategory typeCategory, String typeName) throws AtlasException { |
| typesRequested.add(typeName); |
| return super.has(typeCategory, typeName); |
| } |
| |
| @Override |
| public IDataType get(String typeName) throws AtlasException { |
| typesRequested.add(typeName); |
| return super.get(typeName); |
| } |
| |
| @Override |
| public IDataType get(TypeCategory typeCategory, String typeName) throws AtlasException { |
| typesRequested.add(typeName); |
| return super.get(typeCategory, typeName); |
| } |
| |
| public boolean wasTypeRequested(String name) { |
| return typesRequested.contains(name); |
| } |
| } |
| |
| |
| |
| } |