/*
* 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.server;
import com.facebook.presto.AbstractTestIndexedQueries;
import com.facebook.presto.client.ClientSession;
import com.facebook.presto.client.Column;
import com.facebook.presto.client.QueryError;
import com.facebook.presto.client.QueryResults;
import com.facebook.presto.client.StatementClient;
import com.facebook.presto.metadata.AllNodes;
import com.facebook.presto.server.testing.TestingPrestoServer;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.tpch.IndexedTpchPlugin;
import com.facebook.presto.tpch.TpchMetadata;
import com.facebook.presto.testing.MaterializedResult;
import com.facebook.presto.testing.MaterializedRow;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.inject.Module;
import io.airlift.http.client.AsyncHttpClient;
import io.airlift.http.client.HttpClientConfig;
import io.airlift.http.client.jetty.JettyHttpClient;
import io.airlift.json.JsonCodec;
import io.airlift.log.Logger;
import io.airlift.testing.Closeables;
import io.airlift.units.Duration;
import org.intellij.lang.annotations.Language;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.BooleanType.BOOLEAN;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.TimeZoneKey.UTC_KEY;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static com.facebook.presto.testing.MaterializedResult.DEFAULT_PRECISION;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.Iterables.transform;
import static io.airlift.json.JsonCodec.jsonCodec;
import static io.airlift.testing.Assertions.assertLessThan;
import static io.airlift.units.Duration.nanosSince;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
public class TestDistributedQueriesIndexed
extends AbstractTestIndexedQueries
{
private static final ConnectorSession SESSION = new ConnectorSession("user", "test", "tpch_indexed", TpchMetadata.TINY_SCHEMA_NAME, UTC_KEY, Locale.ENGLISH, null, null);
private static final String ENVIRONMENT = "testing";
private static final Logger log = Logger.get(TestDistributedQueries.class.getSimpleName());
private final JsonCodec<QueryResults> queryResultsCodec = jsonCodec(QueryResults.class);
private TestingPrestoServer coordinator;
private List<TestingPrestoServer> servers;
private AsyncHttpClient httpClient;
private TestingDiscoveryServer discoveryServer;
@Override
protected int getNodeCount()
{
return 3;
}
@Override
protected ConnectorSession setUpQueryFramework()
throws Exception
{
try {
discoveryServer = new TestingDiscoveryServer(ENVIRONMENT);
coordinator = createTestingPrestoServer(discoveryServer.getBaseUrl(), true);
servers = ImmutableList.<TestingPrestoServer>builder()
.add(coordinator)
.add(createTestingPrestoServer(discoveryServer.getBaseUrl(), false))
.add(createTestingPrestoServer(discoveryServer.getBaseUrl(), false))
.build();
}
catch (Exception e) {
tearDownQueryFramework();
throw e;
}
this.httpClient = new JettyHttpClient(
new HttpClientConfig()
.setConnectTimeout(new Duration(1, TimeUnit.DAYS))
.setReadTimeout(new Duration(10, TimeUnit.DAYS)));
long start = System.nanoTime();
while (!allNodesGloballyVisible()) {
assertLessThan(nanosSince(start), new Duration(10, SECONDS));
MILLISECONDS.sleep(10);
}
return SESSION;
}
private boolean allNodesGloballyVisible()
{
for (TestingPrestoServer server : servers) {
AllNodes allNodes = server.refreshNodes();
if (!allNodes.getInactiveNodes().isEmpty() ||
(allNodes.getActiveNodes().size() != servers.size())) {
return false;
}
}
return true;
}
@SuppressWarnings("deprecation")
@Override
protected void tearDownQueryFramework()
throws Exception
{
if (servers != null) {
for (TestingPrestoServer server : servers) {
Closeables.closeQuietly(server);
}
}
Closeables.closeQuietly(discoveryServer);
}
protected ClientSession getClientSession()
{
return new ClientSession(coordinator.getBaseUrl(),
SESSION.getUser(),
SESSION.getSource(),
SESSION.getCatalog(),
SESSION.getSchema(),
SESSION.getTimeZoneKey().getId(),
SESSION.getLocale(),
true);
}
@Override
protected MaterializedResult computeActual(@Language("SQL") String sql)
{
return compute(sql, getClientSession());
}
private MaterializedResult compute(@Language("SQL") String sql, ClientSession session)
{
try (StatementClient client = new StatementClient(httpClient, queryResultsCodec, session, sql)) {
AtomicBoolean loggedUri = new AtomicBoolean(false);
ImmutableList.Builder<MaterializedRow> rows = ImmutableList.builder();
List<Type> types = null;
while (client.isValid()) {
QueryResults results = client.current();
if (!loggedUri.getAndSet(true)) {
log.info("Query %s: %s?pretty", results.getId(), results.getInfoUri());
}
if ((types == null) && (results.getColumns() != null)) {
types = getTypes(results.getColumns());
}
if (results.getData() != null) {
rows.addAll(transform(results.getData(), dataToRows(types)));
}
client.advance();
}
if (!client.isFailed()) {
return new MaterializedResult(rows.build(), types);
}
QueryError error = client.finalResults().getError();
assert error != null;
if (error.getFailureInfo() != null) {
throw error.getFailureInfo().toException();
}
throw new RuntimeException("Query failed: " + error.getMessage());
// dump query info to console for debugging (NOTE: not pretty printed)
// JsonCodec<QueryInfo> queryInfoJsonCodec = createCodecFactory().prettyPrint().jsonCodec(QueryInfo.class);
// log.info("\n" + queryInfoJsonCodec.toJson(queryInfo));
}
}
private static List<Type> getTypes(List<Column> columns)
{
return ImmutableList.copyOf(transform(columns, columnTypeGetter()));
}
private static Function<Column, Type> columnTypeGetter()
{
return new Function<Column, Type>()
{
@Override
public Type apply(Column column)
{
String type = column.getType();
switch (type) {
case "boolean":
return BOOLEAN;
case "bigint":
return BIGINT;
case "double":
return DOUBLE;
case "varchar":
return VARCHAR;
}
throw new AssertionError("Unhandled type: " + type);
}
};
}
private static Function<List<Object>, MaterializedRow> dataToRows(final List<Type> types)
{
return new Function<List<Object>, MaterializedRow>()
{
@Override
public MaterializedRow apply(List<Object> data)
{
checkArgument(data.size() == types.size(), "columns size does not match tuple infos");
List<Object> row = new ArrayList<>();
for (int i = 0; i < data.size(); i++) {
Object value = data.get(i);
if (value == null) {
row.add(null);
continue;
}
Type type = types.get(i);
if (type.equals(BOOLEAN)) {
row.add(value);
}
else if (type.equals(BIGINT)) {
row.add(((Number) value).longValue());
}
else if (type.equals(DOUBLE)) {
row.add(((Number) value).doubleValue());
}
else if (type.equals(VARCHAR)) {
row.add(value);
}
else {
throw new AssertionError("unhandled type: " + type);
}
}
return new MaterializedRow(DEFAULT_PRECISION, row);
}
};
}
private TestingPrestoServer createTestingPrestoServer(URI discoveryUri, boolean coordinator)
throws Exception
{
Map<String, String> properties = ImmutableMap.<String, String>builder()
.put("query.client.timeout", "10m")
.put("exchange.http-client.read-timeout", "1h")
.put("datasources", "tpch_indexed")
.build();
TestingPrestoServer server = new TestingPrestoServer(coordinator, properties, ENVIRONMENT, discoveryUri, ImmutableList.<Module>of());
server.installPlugin(new IndexedTpchPlugin(getTpchIndexSpec()));
server.createConnection("tpch_indexed", "tpch_indexed");
return server;
}
}