| /* |
| * 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.drill.exec.store.parquet; |
| |
| import org.apache.drill.categories.ParquetTest; |
| import org.apache.drill.categories.UnlikelyTest; |
| import com.google.common.io.Resources; |
| import org.apache.commons.io.FileUtils; |
| import org.apache.drill.test.BaseTestQuery; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.io.File; |
| import java.nio.file.Path; |
| |
| import static org.apache.drill.test.TestBuilder.listOf; |
| import static org.apache.drill.test.TestBuilder.mapOf; |
| |
| @Category({ParquetTest.class, UnlikelyTest.class}) |
| public class TestParquetScan extends BaseTestQuery { |
| @Test |
| public void testSuccessFile() throws Exception { |
| final byte[] bytes = Resources.toByteArray(Resources.getResource("tpch/nation.parquet")); |
| |
| final Path rootPath = dirTestWatcher.getRootDir().toPath(); |
| final File scanFile = rootPath.resolve("nation_test_parquet_scan").toFile(); |
| final File successFile = rootPath.resolve("_SUCCESS").toFile(); |
| final File logsFile = rootPath.resolve("_logs").toFile(); |
| |
| FileUtils.writeByteArrayToFile(scanFile, bytes); |
| successFile.createNewFile(); |
| logsFile.createNewFile(); |
| |
| testBuilder() |
| .sqlQuery("select count(*) c from dfs.nation_test_parquet_scan where 1 = 1") |
| .unOrdered() |
| .baselineColumns("c") |
| .baselineValues(25L) |
| .build() |
| .run(); |
| } |
| |
| // DRILL-7934: Fix NullPointerException error when reading parquet files |
| @Test |
| public void testTypeNull() throws Exception { |
| /* the `features` schema is: |
| optional group features { |
| required int32 type (INTEGER(8,true)); |
| optional int32 size; |
| optional group indices (LIST) { |
| repeated group list { |
| required int32 element; |
| } |
| } |
| optional group values (LIST) { |
| repeated group list { |
| required double element; |
| } |
| } |
| } |
| */ |
| String sql = "SELECT * FROM cp.`parquet/test_type_null.parquet`"; |
| testBuilder() |
| .sqlQuery(sql) |
| .unOrdered() |
| .baselineColumns("label", "features") |
| .baselineValues(0.0d, |
| mapOf("type", 1, |
| "indices", listOf(), |
| "values", listOf(112.0d, 213.0d, 213.0d))) |
| .baselineValues(0.0d, |
| mapOf("type", 1, |
| "indices", listOf(), |
| "values", listOf(213.0d, 123.0d, 123.0d))) |
| .baselineValues(2.0d, mapOf( |
| "type", 1, |
| "indices", listOf(), |
| "values", listOf(333.0d, 333.0d, 333.0d))) |
| .go(); |
| } |
| } |