com.facebook.presto.tests.CreateTableTests Maven / Gradle / Ivy
/*
* Licensed 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 com.facebook.presto.tests;
import io.prestodb.tempto.ProductTest;
import io.prestodb.tempto.Requires;
import io.prestodb.tempto.fulfillment.table.hive.tpch.ImmutableTpchTablesRequirements.ImmutableNationTable;
import org.testng.annotations.Test;
import static com.facebook.presto.tests.TestGroups.CREATE_TABLE;
import static io.prestodb.tempto.assertions.QueryAssert.assertThat;
import static io.prestodb.tempto.query.QueryExecutor.query;
import static java.lang.String.format;
@Requires(ImmutableNationTable.class)
public class CreateTableTests
extends ProductTest
{
@Test(groups = CREATE_TABLE)
public void shouldCreateTableAsSelect()
{
String tableName = "create_table_as_select";
query(format("DROP TABLE IF EXISTS %s", tableName));
query(format("CREATE TABLE %s(nationkey, name) AS SELECT n_nationkey, n_name FROM nation", tableName));
assertThat(query(format("SELECT * FROM %s", tableName))).hasRowsCount(25);
}
@Test(groups = CREATE_TABLE)
public void shouldCreateTableAsEmptySelect()
{
String tableName = "create_table_as_empty_select";
query(format("DROP TABLE IF EXISTS %s", tableName));
query(format("CREATE TABLE %s(nationkey, name) AS SELECT n_nationkey, n_name FROM nation WHERE 0 is NULL", tableName));
assertThat(query(format("SELECT nationkey, name FROM %s", tableName))).hasRowsCount(0);
}
}