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Diffstat (limited to 'exec/java-exec/src/test/java/org/apache/drill/TestDirScanToValuesConversion.java')
-rw-r--r-- | exec/java-exec/src/test/java/org/apache/drill/TestDirScanToValuesConversion.java | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/exec/java-exec/src/test/java/org/apache/drill/TestDirScanToValuesConversion.java b/exec/java-exec/src/test/java/org/apache/drill/TestDirScanToValuesConversion.java new file mode 100644 index 000000000..1aeeb5ffb --- /dev/null +++ b/exec/java-exec/src/test/java/org/apache/drill/TestDirScanToValuesConversion.java @@ -0,0 +1,73 @@ +/* + * 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; + +import org.apache.drill.categories.PlannerTest; +import org.junit.BeforeClass; +import org.junit.Test; +import org.junit.experimental.categories.Category; + +import java.nio.file.Paths; + +@Category({PlannerTest.class}) +public class TestDirScanToValuesConversion extends PlanTestBase { + + private static final String TABLE_WITH_METADATA = "parquetTable1"; + + @BeforeClass + public static void setUp() { + dirTestWatcher.copyResourceToRoot(Paths.get("multilevel")); + dirTestWatcher.copyResourceToRoot(Paths.get("multilevel/parquet"), Paths.get(TABLE_WITH_METADATA)); + } + + @Test + public void testDirScanToValuesConversion() throws Exception { + String[] tableNames = {"multilevel/parquet", "multilevel/json", "multilevel/csv"}; + String[] queries = { + "select distinct dir0, dir1 from dfs.`%s`", + "select dir0, dir1 from dfs.`%s` group by 1, 2" + }; + for (String tableName : tableNames) { + for (String query : queries) { + testPlanMatchingPatterns(String.format(query, tableName), new String[]{"Values\\(tuples="}, new String[]{"Scan\\(table="}); + } + } + } + + @Test + public void testDirScanToValuesConversionWithMetadataCache() throws Exception { + test("refresh table metadata dfs.`%s`", TABLE_WITH_METADATA); + checkForMetadataFile(TABLE_WITH_METADATA); + String query = String.format("select distinct dir0, dir1 from dfs.`%s`", TABLE_WITH_METADATA); + PlanTestBase.testPlanMatchingPatterns(query, new String[]{"Values\\(tuples="}, null); + } + + @Test + public void testDirScanToValuesConversionIsNotApplied() throws Exception { + String[] tableNames = {"multilevel/parquet", "multilevel/json", "multilevel/csv"}; + String[] queries = { + "select dir0, dir1 from dfs.`%s`", // no aggregation + "select dir0, dir1, o_custkey from dfs.`%s` group by 1, 2, 3" // not only partition columns present + }; + for (String tableName : tableNames) { + for (String query : queries) { + testPlanMatchingPatterns(String.format(query, tableName), new String[]{"Scan\\(table="}, new String[]{"Values\\(tuples="}); + } + } + } +} |