| /* |
| * 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.hbase; |
| |
| import org.apache.drill.categories.HbaseStorageTest; |
| import org.apache.drill.categories.SlowTest; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({SlowTest.class, HbaseStorageTest.class}) |
| public class TestHBaseProjectPushDown extends BaseHBaseTest { |
| |
| @Test |
| public void testRowKeyPushDown() throws Exception{ |
| setColumnWidth(8); |
| runHBaseSQLVerifyCount("SELECT\n" |
| + "row_key\n" |
| + "FROM\n" |
| + " hbase.`[TABLE_NAME]` tableName", |
| 8); |
| } |
| |
| @Test |
| public void testColumnWith1RowPushDown() throws Exception{ |
| setColumnWidth(6); |
| runHBaseSQLVerifyCount("SELECT\n" |
| + "t.f2.c7 as `t.f2.c7`\n" |
| + "FROM\n" |
| + " hbase.`[TABLE_NAME]` t", |
| 1); |
| } |
| |
| @Test |
| public void testRowKeyAndColumnPushDown() throws Exception{ |
| setColumnWidths(new int[] {8, 9, 6, 2, 6}); |
| runHBaseSQLVerifyCount("SELECT\n" |
| // Note: Can't currently use period in column alias (not even with |
| // qualified identifier) because Drill internals don't currently encode |
| // names sufficiently. |
| + "row_key, t.f.c1 * 31 as `t dot f dot c1 * 31`, " |
| + "t.f.c2 as `t dot f dot c2`, 5 as `5`, 'abc' as `'abc'`\n" |
| + "FROM\n" |
| + " hbase.`[TABLE_NAME]` t", |
| 8); |
| } |
| |
| @Test |
| public void testColumnFamilyPushDown() throws Exception{ |
| setColumnWidths(new int[] {8, 74, 38}); |
| runHBaseSQLVerifyCount("SELECT\n" |
| + "row_key, f, f2\n" |
| + "FROM\n" |
| + " hbase.`[TABLE_NAME]` tableName", |
| 8); |
| } |
| |
| } |