| /* |
| * 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.kylin.engine.spark2; |
| |
| import org.apache.calcite.sql.validate.SqlValidatorException; |
| import org.apache.commons.lang3.exception.ExceptionUtils; |
| import org.apache.kylin.common.KylinConfig; |
| import org.apache.kylin.common.debug.BackdoorToggles; |
| import org.apache.kylin.common.util.Pair; |
| import org.apache.kylin.engine.spark.LocalWithSparkSessionTest; |
| import org.apache.kylin.job.exception.SchedulerException; |
| import org.apache.kylin.metadata.querymeta.SelectedColumnMeta; |
| import org.apache.kylin.metadata.realization.NoRealizationFoundException; |
| import org.apache.kylin.query.util.PushDownUtil; |
| import org.apache.kylin.query.util.QueryUtil; |
| import org.apache.spark.sql.KylinSparkEnv; |
| import org.apache.spark.sql.SparderContext; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.junit.Ignore; |
| |
| import java.io.File; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.sql.SQLException; |
| import java.util.List; |
| |
| public class NBadQueryAndPushDownTest extends LocalWithSparkSessionTest { |
| private static final String PUSHDOWN_RUNNER_KEY = "kylin.query.pushdown.runner-class-name"; |
| private final static String DEFAULT_PROJECT_NAME = "default"; |
| |
| @Override |
| public void setup() throws SchedulerException { |
| super.setup(); |
| SparderContext.setSparkSession(KylinSparkEnv.getSparkSession()); |
| } |
| |
| @Override |
| public String getProject() { |
| return DEFAULT_PROJECT_NAME; |
| } |
| |
| @Override |
| public void after() { |
| super.after(); |
| } |
| |
| @Test |
| public void testTableNotFoundInDatabase() { |
| //from tpch database |
| final String sql = "select * from lineitem where l_orderkey = o.o_orderkey and l_commitdate < l_receiptdate"; |
| KylinConfig.getInstanceFromEnv().setProperty(PUSHDOWN_RUNNER_KEY, |
| "org.apache.kylin.query.pushdown.PushDownRunnerSparkImpl"); |
| try { |
| NExecAndComp.queryCubeAndSkipCompute(getProject(), sql); |
| } catch (Exception sqlException) { |
| Assert.assertTrue(sqlException instanceof SQLException); |
| Assert.assertTrue(ExceptionUtils.getRootCause(sqlException) instanceof SqlValidatorException); |
| } |
| } |
| |
| @Ignore |
| public void testPushDownToNonExistentDB() { |
| //from tpch database |
| try { |
| final String sql = "select * from lineitem where l_orderkey = o.o_orderkey and l_commitdate < l_receiptdate"; |
| KylinConfig.getInstanceFromEnv().setProperty(PUSHDOWN_RUNNER_KEY, |
| "org.apache.kylin.query.pushdown.PushDownRunnerSparkImpl"); |
| pushDownSql(getProject(), sql, 0, 0, |
| new SQLException(new NoRealizationFoundException("testPushDownToNonExistentDB"))); |
| } catch (Exception e) { |
| Assert.assertTrue(ExceptionUtils.getRootCauseMessage(e) |
| .contains("Table or view not found: lineitem")); |
| } |
| } |
| |
| @Test |
| public void testPushDownForFileNotExist() throws Exception { |
| final String sql = "select max(ITEM_COUNT) from test_kylin_fact"; |
| KylinConfig.getInstanceFromEnv().setProperty(PUSHDOWN_RUNNER_KEY, |
| "org.apache.kylin.query.pushdown.PushDownRunnerSparkImpl"); |
| try { |
| NExecAndComp.queryCubeAndSkipCompute(getProject(), sql); |
| } catch (Exception sqlException) { |
| if (sqlException instanceof SQLException) { |
| Assert.assertTrue(ExceptionUtils.getRootCauseMessage(sqlException).contains("NoRealizationFoundException")); |
| pushDownSql(getProject(), sql, 0, 0, (SQLException) sqlException); |
| } |
| } |
| } |
| |
| @Test |
| public void testPushDownNonEquiSql() throws Exception { |
| File sqlFile = new File("src/test/resources/query/sql_pushdown/query11.sql"); |
| String sql = new String(Files.readAllBytes(sqlFile.toPath()), StandardCharsets.UTF_8); |
| KylinConfig.getInstanceFromEnv().setProperty(PUSHDOWN_RUNNER_KEY, |
| "org.apache.kylin.query.pushdown.PushDownRunnerSparkImpl"); |
| try { |
| NExecAndComp.queryCubeAndSkipCompute(DEFAULT_PROJECT_NAME, sql); |
| } catch (Exception e) { |
| if (e instanceof SQLException) |
| pushDownSql(getProject(), sql, 0, 0, (SQLException) e); |
| } |
| } |
| |
| private Pair<List<List<String>>, List<SelectedColumnMeta>> pushDownSql(String prjName, String sql, int limit, |
| int offset, SQLException sqlException) |
| throws Exception { |
| populateSSWithCSVData(KylinConfig.getInstanceFromEnv(), prjName, KylinSparkEnv.getSparkSession()); |
| String pushdownSql = NExecAndComp.removeDataBaseInSql(sql); |
| String massagedSql = QueryUtil.appendLimitOffsetToSql(pushdownSql, limit, offset); |
| Pair<List<List<String>>, List<SelectedColumnMeta>> result = PushDownUtil.tryPushDownSelectQuery(prjName, |
| massagedSql, "DEFAULT", sqlException, BackdoorToggles.getPrepareOnly()); |
| if (result == null) { |
| throw sqlException; |
| } |
| return result; |
| } |
| } |