/**
* 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.sql.hive;
import com.google.common.collect.ImmutableList;
import org.apache.drill.exec.sql.TestBaseViewSupport;
import org.apache.drill.exec.store.hive.HiveTestDataGenerator;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestViewSupportOnHiveTables extends TestBaseViewSupport {
private static final String TEMP_SCHEMA = "dfs_test.tmp";
protected static HiveTestDataGenerator hiveTest;
@BeforeClass
public static void generateHive() throws Exception{
hiveTest = HiveTestDataGenerator.getInstance();
hiveTest.addHiveTestPlugin(getDrillbitContext().getStorage());
}
@Test
public void viewWithStarInDef_StarInQuery() throws Exception{
testViewHelper(
TEMP_SCHEMA,
null,
"SELECT * FROM hive.kv",
"SELECT * FROM TEST_SCHEMA.TEST_VIEW_NAME LIMIT 1",
new String[] { "key", "value"},
ImmutableList.of(new Object[] { 1, " key_1" })
);
}
@Test
public void viewWithStarInDef_SelectFieldsInQuery1() throws Exception{
testViewHelper(
TEMP_SCHEMA,
null,
"SELECT * FROM hive.kv",
"SELECT key, `value` FROM TEST_SCHEMA.TEST_VIEW_NAME LIMIT 1",
new String[] { "key", "value" },
ImmutableList.of(new Object[] { 1, " key_1" })
);
}
@Test
public void viewWithStarInDef_SelectFieldsInQuery2() throws Exception{
testViewHelper(
TEMP_SCHEMA,
null,
"SELECT * FROM hive.kv",
"SELECT `value` FROM TEST_SCHEMA.TEST_VIEW_NAME LIMIT 1",
new String[] { "value" },
ImmutableList.of(new Object[] { " key_1" })
);
}
@Test
public void viewWithSelectFieldsInDef_StarInQuery() throws Exception{
testViewHelper(
TEMP_SCHEMA,
null,
"SELECT key, `value` FROM hive.kv",
"SELECT * FROM TEST_SCHEMA.TEST_VIEW_NAME LIMIT 1",
new String[] { "key", "value" },
ImmutableList.of(new Object[] { 1, " key_1" })
);
}
@Test
public void viewWithSelectFieldsInDef_SelectFieldsInQuery() throws Exception{
testViewHelper(
TEMP_SCHEMA,
null,
"SELECT key, `value` FROM hive.kv",
"SELECT key, `value` FROM TEST_SCHEMA.TEST_VIEW_NAME LIMIT 1",
new String[] { "key", "value" },
ImmutableList.of(new Object[] { 1, " key_1" })
);
}
@Test
public void testInfoSchemaWithHiveView() throws Exception {
testBuilder()
.optionSettingQueriesForTestQuery("USE hive.`default`")
.sqlQuery("SELECT * FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME = 'hiveview'")
.unOrdered()
.baselineColumns("TABLE_CATALOG", "TABLE_SCHEMA", "TABLE_NAME", "VIEW_DEFINITION")
.baselineValues("DRILL", "hive.default", "hiveview", "SELECT `kv`.`key`, `kv`.`value` FROM `default`.`kv`")
.go();
}
@AfterClass
public static void cleanupHiveTestData() throws Exception{
if (hiveTest != null) {
hiveTest.deleteHiveTestPlugin(getDrillbitContext().getStorage());
}
}
}