| /** |
| * 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.tajo.engine.eval; |
| |
| import org.apache.tajo.TajoTestingCluster; |
| import org.apache.tajo.algebra.Expr; |
| import org.apache.tajo.catalog.*; |
| import org.apache.tajo.catalog.proto.CatalogProtos; |
| import org.apache.tajo.datum.NullDatum; |
| import org.apache.tajo.datum.TextDatum; |
| import org.apache.tajo.engine.json.CoreGsonHelper; |
| import org.apache.tajo.engine.parser.SQLAnalyzer; |
| import org.apache.tajo.engine.planner.*; |
| import org.apache.tajo.engine.planner.logical.LogicalNode; |
| import org.apache.tajo.engine.utils.SchemaUtil; |
| import org.apache.tajo.master.TajoMaster; |
| import org.apache.tajo.storage.LazyTuple; |
| import org.apache.tajo.storage.Tuple; |
| import org.apache.tajo.storage.VTuple; |
| import org.apache.tajo.util.Bytes; |
| import org.apache.tajo.util.CommonTestingUtil; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| |
| import java.io.IOException; |
| import java.util.Stack; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| public class ExprTestBase { |
| private static TajoTestingCluster util; |
| private static CatalogService cat; |
| private static SQLAnalyzer analyzer; |
| private static PreLogicalPlanVerifier preLogicalPlanVerifier; |
| private static LogicalPlanner planner; |
| private static LogicalOptimizer optimizer; |
| private static LogicalPlanVerifier annotatedPlanVerifier; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| util = new TajoTestingCluster(); |
| util.startCatalogCluster(); |
| cat = util.getMiniCatalogCluster().getCatalog(); |
| for (FunctionDesc funcDesc : TajoMaster.initBuiltinFunctions()) { |
| cat.createFunction(funcDesc); |
| } |
| |
| analyzer = new SQLAnalyzer(); |
| preLogicalPlanVerifier = new PreLogicalPlanVerifier(cat); |
| planner = new LogicalPlanner(cat); |
| optimizer = new LogicalOptimizer(util.getConfiguration()); |
| annotatedPlanVerifier = new LogicalPlanVerifier(util.getConfiguration(), cat); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| util.shutdownCatalogCluster(); |
| } |
| |
| private static void assertJsonSerDer(EvalNode expr) { |
| String json = CoreGsonHelper.toJson(expr, EvalNode.class); |
| EvalNode fromJson = CoreGsonHelper.fromJson(json, EvalNode.class); |
| assertEquals(expr, fromJson); |
| } |
| |
| /** |
| * verify query syntax and get raw targets. |
| * |
| * @param query a query for execution |
| * @param condition this parameter means whether it is for success case or is not for failure case. |
| * @return |
| * @throws PlanningException |
| */ |
| private static Target[] getRawTargets(String query, boolean condition) throws PlanningException { |
| Expr expr = analyzer.parse(query); |
| VerificationState state = new VerificationState(); |
| preLogicalPlanVerifier.visit(state, new Stack<Expr>(), expr); |
| if (state.getErrorMessages().size() > 0) { |
| if (!condition && state.getErrorMessages().size() > 0) { |
| throw new PlanningException(state.getErrorMessages().get(0)); |
| } |
| assertFalse(state.getErrorMessages().get(0), true); |
| } |
| LogicalPlan plan = planner.createPlan(expr, true); |
| optimizer.optimize(plan); |
| annotatedPlanVerifier.visit(state, plan, plan.getRootBlock(), plan.getRootBlock().getRoot(), |
| new Stack<LogicalNode>()); |
| if (state.getErrorMessages().size() > 0) { |
| assertFalse(state.getErrorMessages().get(0), true); |
| } |
| |
| Target [] targets = plan.getRootBlock().getRawTargets(); |
| if (targets == null) { |
| throw new PlanningException("Wrong query statement or query plan: " + query); |
| } |
| for (Target t : targets) { |
| assertJsonSerDer(t.getEvalTree()); |
| } |
| return targets; |
| } |
| |
| public void testSimpleEval(String query, String [] expected) throws IOException { |
| testEval(null, null, null, query, expected); |
| } |
| |
| public void testSimpleEval(String query, String [] expected, boolean condition) throws IOException { |
| testEval(null, null, null, query, expected, ',', condition); |
| } |
| |
| public void testEval(Schema schema, String tableName, String csvTuple, String query, String [] expected) |
| throws IOException { |
| testEval(schema, tableName, csvTuple, query, expected, ',', true); |
| } |
| |
| public void testEval(Schema schema, String tableName, String csvTuple, String query, String [] expected, |
| char delimiter, boolean condition) throws IOException { |
| LazyTuple lazyTuple; |
| VTuple vtuple = null; |
| Schema inputSchema = null; |
| if (schema != null) { |
| inputSchema = SchemaUtil.clone(schema); |
| inputSchema.setQualifier(tableName); |
| |
| int targetIdx [] = new int[inputSchema.size()]; |
| for (int i = 0; i < targetIdx.length; i++) { |
| targetIdx[i] = i; |
| } |
| |
| lazyTuple = |
| new LazyTuple(inputSchema, Bytes.splitPreserveAllTokens(csvTuple.getBytes(), delimiter, targetIdx),0); |
| vtuple = new VTuple(inputSchema.size()); |
| for (int i = 0; i < inputSchema.size(); i++) { |
| // If null value occurs, null datum is manually inserted to an input tuple. |
| if (lazyTuple.get(i) instanceof TextDatum && lazyTuple.get(i).asChars().equals("")) { |
| vtuple.put(i, NullDatum.get()); |
| } else { |
| vtuple.put(i, lazyTuple.get(i)); |
| } |
| } |
| cat.addTable(new TableDesc(tableName, inputSchema, CatalogProtos.StoreType.CSV, new Options(), |
| CommonTestingUtil.getTestDir())); |
| } |
| |
| Target [] targets; |
| |
| try { |
| targets = getRawTargets(query, condition); |
| |
| Tuple outTuple = new VTuple(targets.length); |
| for (int i = 0; i < targets.length; i++) { |
| EvalNode eval = targets[i].getEvalTree(); |
| outTuple.put(i, eval.eval(inputSchema, vtuple)); |
| } |
| |
| for (int i = 0; i < expected.length; i++) { |
| assertEquals(query, expected[i], outTuple.get(i).asChars()); |
| } |
| } catch (PlanningException e) { |
| // In failure test case, an exception must occur while executing query. |
| // So, we should check an error message, and return it. |
| if (!condition) { |
| assertEquals(expected[0], e.getMessage()); |
| } else { |
| assertFalse(e.getMessage(), true); |
| } |
| } finally { |
| if (schema != null) { |
| cat.deleteTable(tableName); |
| } |
| } |
| } |
| } |