/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.integrationtests;
import io.crate.testing.SQLResponse;
import io.crate.testing.UseJdbc;
import org.elasticsearch.action.admin.indices.close.CloseIndexRequest;
import org.hamcrest.Matchers;
import org.junit.Test;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
@UseJdbc
public class InformationSchemaQueryTest extends SQLTransportIntegrationTest {
@Test
public void testIgnoreClosedTables() throws Exception {
execute("create table t3 (col1 integer, col2 string) " +
"clustered into 5 shards " +
"with (number_of_replicas=8)");
execute("create table t1 (col1 integer, col2 string) " +
"clustered into 5 shards " +
"with (number_of_replicas=0)");
ensureYellow();
client().admin().indices().close(new CloseIndexRequest("t3")).actionGet();
execute("select * from information_schema.tables where table_schema = 'doc'");
assertEquals(1L, response.rowCount());
execute("select * from information_schema.columns where table_name = 't3'");
assertEquals(0, response.rowCount());
execute("select * from sys.shards");
assertEquals(5L, response.rowCount()); // t3 isn't included
}
@Test
public void testConcurrentInformationSchemaQueries() throws Exception {
final SQLResponse response = execute("select * from information_schema.columns " +
"order by table_schema, table_name, column_name");
final CountDownLatch latch = new CountDownLatch(40);
final AtomicReference<AssertionError> lastAssertionError = new AtomicReference<>();
for (int i = 0; i < 40; i++) {
final Thread t = new Thread(new Runnable() {
@Override
public void run() {
SQLResponse resp = execute("select * from information_schema.columns " +
"order by table_schema, table_name, column_name");
try {
assertThat(resp.rows(), Matchers.equalTo(response.rows()));
} catch (AssertionError e) {
lastAssertionError.set(e);
}
latch.countDown();
}
});
t.start();
}
latch.await();
AssertionError assertionError = lastAssertionError.get();
if (assertionError != null) {
throw assertionError;
}
}
@Test
public void testConcurrentUnassignedShardsReferenceResolver() throws Exception {
internalCluster().ensureAtMostNumDataNodes(1);
execute("create table t1 (col1 integer) " +
"clustered into 1 shards " +
"with (number_of_replicas=8)");
execute("create table t2 (col1 integer) " +
"clustered into 1 shards " +
"with (number_of_replicas=8)");
ensureYellow();
final SQLResponse response = execute("select * from sys.shards where table_name in ('t1', 't2') and state='UNASSIGNED' order by schema_name, table_name, id");
final CountDownLatch latch = new CountDownLatch(40);
final AtomicReference<AssertionError> lastAssertionError = new AtomicReference<>();
for (int i = 0; i < 40; i++) {
final Thread t = new Thread(new Runnable() {
@Override
public void run() {
SQLResponse resp = execute("select * from sys.shards where table_name in ('t1', 't2') and state='UNASSIGNED' order by schema_name, table_name, id");
try {
assertThat(resp.rows(), Matchers.equalTo(response.rows()));
} catch (AssertionError e) {
lastAssertionError.set(e);
}
latch.countDown();
}
});
t.start();
}
latch.await();
AssertionError assertionError = lastAssertionError.get();
if (assertionError != null) {
throw assertionError;
}
}
}