/*
* 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.AbstractTestSampledQueries;
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.metadata.Metadata;
import com.facebook.presto.metadata.QualifiedTableName;
import com.facebook.presto.metadata.QualifiedTablePrefix;
import com.facebook.presto.metadata.TableHandle;
import com.facebook.presto.raptor.RaptorPlugin;
import com.facebook.presto.server.testing.TestingPrestoServer;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.sql.tree.QualifiedName;
import com.facebook.presto.testing.MaterializedResult;
import com.facebook.presto.testing.MaterializedRow;
import com.facebook.presto.tpch.TpchMetadata;
import com.facebook.presto.tpch.TpchPlugin;
import com.facebook.presto.tpch.testing.SampledTpchPlugin;
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
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 org.testng.annotations.Test;
import java.io.File;
import java.net.URI;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
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.connector.informationSchema.InformationSchemaMetadata.INFORMATION_SCHEMA;
import static com.facebook.presto.metadata.MetadataUtil.createQualifiedTableName;
import static com.facebook.presto.server.testing.TestingPrestoServer.TEST_CATALOG;
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.DateTimeEncoding.unpackMillisUtc;
import static com.facebook.presto.spi.type.DateType.DATE;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.TimeType.TIME;
import static com.facebook.presto.spi.type.TimeWithTimeZoneType.TIME_WITH_TIME_ZONE;
import static com.facebook.presto.spi.type.TimeZoneKey.UTC_KEY;
import static com.facebook.presto.spi.type.TimestampType.TIMESTAMP;
import static com.facebook.presto.spi.type.TimestampWithTimeZoneType.TIMESTAMP_WITH_TIME_ZONE;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static com.facebook.presto.testing.MaterializedResult.DEFAULT_PRECISION;
import static com.facebook.presto.util.DateTimeUtils.parseDate;
import static com.facebook.presto.util.DateTimeUtils.parseTime;
import static com.facebook.presto.util.DateTimeUtils.parseTimeWithTimeZone;
import static com.facebook.presto.util.DateTimeUtils.parseTimestamp;
import static com.facebook.presto.util.DateTimeUtils.parseTimestampWithTimeZone;
import static com.facebook.presto.util.Types.checkType;
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.lang.String.format;
import static java.util.Collections.nCopies;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
public class TestDistributedQueries
extends AbstractTestSampledQueries
{
private static final ConnectorSession SESSION = new ConnectorSession("user", "test", TEST_CATALOG, "test", 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;
@Test
public void testShowSchemasFromOther()
throws Exception
{
MaterializedResult result = computeActual(format("SHOW SCHEMAS FROM tpch"));
ImmutableSet<String> schemaNames = ImmutableSet.copyOf(transform(result.getMaterializedRows(), onlyColumnGetter()));
assertTrue(schemaNames.containsAll(ImmutableSet.of(INFORMATION_SCHEMA, "sys", "tiny")));
}
@Test(expectedExceptions = RuntimeException.class, expectedExceptionsMessageRegExp = "statement is too large \\(stack overflow during analysis\\)")
public void testLargeQueryFailure()
throws Exception
{
assertQuery("SELECT " + Joiner.on(" AND ").join(nCopies(1000, "1 = 1")), "SELECT true");
}
@Test
public void testLargeQuerySuccess()
throws Exception
{
assertQuery("SELECT " + Joiner.on(" AND ").join(nCopies(500, "1 = 1")), "SELECT true");
}
@Test
public void testTableSampleSystem()
throws Exception
{
int total = computeActual("SELECT orderkey FROM orders").getMaterializedRows().size();
boolean sampleSizeFound = false;
for (int i = 0; i < 100; i++) {
int sampleSize = computeActual("SELECT orderkey FROM ORDERS TABLESAMPLE SYSTEM (50)").getMaterializedRows().size();
if (sampleSize > 0 && sampleSize < total) {
sampleSizeFound = true;
break;
}
}
assertTrue(sampleSizeFound, "Table sample returned unexpected number of rows");
}
@Test
public void testTableSampleSystemBoundaryValues()
throws Exception
{
MaterializedResult fullSample = computeActual("SELECT orderkey FROM orders TABLESAMPLE SYSTEM (100)");
MaterializedResult emptySample = computeActual("SELECT orderkey FROM orders TABLESAMPLE SYSTEM (0)");
MaterializedResult all = computeActual("SELECT orderkey FROM orders");
assertTrue(all.getMaterializedRows().containsAll(fullSample.getMaterializedRows()));
assertEquals(emptySample.getMaterializedRows().size(), 0);
}
@Test
public void testCreateTableAsSelect()
throws Exception
{
assertCreateTable(
"test_simple",
"SELECT orderdate, orderkey, totalprice FROM orders",
"SELECT count(*) FROM orders");
}
@Test
public void testCreateTableAsSelectGroupBy()
throws Exception
{
assertCreateTable(
"test_group",
"SELECT orderstatus, sum(totalprice) x FROM orders GROUP BY orderstatus",
"SELECT count(DISTINCT orderstatus) FROM orders");
}
@Test
public void testCreateTableAsSelectLimit()
throws Exception
{
assertCreateTable(
"test_limit",
"SELECT orderkey FROM orders ORDER BY orderkey LIMIT 10",
"SELECT 10");
}
@Test
public void testCreateTableAsSelectJoin()
throws Exception
{
assertCreateTable(
"test_join",
"SELECT count(*) x FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey",
"SELECT 1");
}
@Test
public void testCreateSampledTableAsSelectLimit()
throws Exception
{
assertCreateTable(
"test_limit_sampled",
"SELECT orderkey FROM tpch_sampled.tiny.orders ORDER BY orderkey LIMIT 10",
"SELECT orderkey FROM (SELECT orderkey FROM orders) UNION ALL (SELECT orderkey FROM orders) ORDER BY orderkey LIMIT 10",
"SELECT 10");
}
private void assertCreateTable(String table, @Language("SQL") String query, @Language("SQL") String rowCountQuery)
throws Exception
{
assertCreateTable(table, query, query, rowCountQuery);
}
private void assertCreateTable(String table, @Language("SQL") String query, @Language("SQL") String expectedQuery, @Language("SQL") String rowCountQuery)
throws Exception
{
assertQuery("CREATE TABLE " + table + " AS " + query, rowCountQuery);
assertQuery("SELECT * FROM " + table, expectedQuery);
assertQueryTrue("DROP TABLE " + table);
QualifiedTableName name = createQualifiedTableName(SESSION, QualifiedName.of(table));
Optional<TableHandle> handle = coordinator.getMetadata().getTableHandle(SESSION, name);
assertFalse(handle.isPresent());
}
@Override
protected int getNodeCount()
{
return 4;
}
@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))
.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);
}
for (TestingPrestoServer server : servers) {
server.getMetadata().addFunctions(CUSTOM_FUNCTIONS);
}
log.info("Loading data...");
long startTime = System.nanoTime();
distributeData("tpch", TpchMetadata.TINY_SCHEMA_NAME, getClientSession());
distributeData("tpch_sampled", TpchMetadata.TINY_SCHEMA_NAME, getSampledClientSession());
log.info("Loading complete in %s", nanosSince(startTime).toString(SECONDS));
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);
}
private void distributeData(String catalog, String schema, ClientSession session)
throws Exception
{
for (QualifiedTableName table : coordinator.getMetadata().listTables(SESSION, new QualifiedTablePrefix(catalog, schema))) {
if (table.getTableName().equalsIgnoreCase("dual")) {
continue;
}
log.info("Running import for %s", table.getTableName());
@Language("SQL") String sql = format("CREATE TABLE %s AS SELECT * FROM %s", table.getTableName(), table);
long rows = checkType(compute(sql, session).getMaterializedRows().get(0).getField(0), Long.class, "rows");
log.info("Imported %s rows for %s", rows, table.getTableName());
}
}
protected ClientSession getClientSession()
{
return new ClientSession(
coordinator.getBaseUrl(),
SESSION.getUser(),
SESSION.getSource(),
SESSION.getCatalog(),
SESSION.getSchema(),
SESSION.getTimeZoneKey().getId(),
SESSION.getLocale(),
true);
}
protected ClientSession getSampledClientSession()
{
return new ClientSession(
coordinator.getBaseUrl(),
SESSION.getUser(),
SESSION.getSource(),
SESSION.getCatalog(),
"sampled",
SESSION.getTimeZoneKey().getId(),
SESSION.getLocale(),
true);
}
@Override
protected MaterializedResult computeActualSampled(@Language("SQL") String sql)
{
return compute(sql, getSampledClientSession());
}
@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(coordinator.getMetadata(), results.getColumns());
}
if (results.getData() != null) {
rows.addAll(transform(results.getData(), dataToRow(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(Metadata metadata, List<Column> columns)
{
return ImmutableList.copyOf(transform(columns, columnTypeGetter(metadata)));
}
private static Function<Column, Type> columnTypeGetter(final Metadata metadata)
{
return new Function<Column, Type>()
{
@Override
public Type apply(Column column)
{
String typeName = column.getType();
Type type = metadata.getType(typeName);
if (type == null) {
throw new AssertionError("Unhandled type: " + typeName);
}
return type;
}
};
}
private Function<List<Object>, MaterializedRow> dataToRow(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 types size");
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 (BOOLEAN.equals(type)) {
row.add(value);
}
else if (BIGINT.equals(type)) {
row.add(((Number) value).longValue());
}
else if (DOUBLE.equals(type)) {
row.add(((Number) value).doubleValue());
}
else if (VARCHAR.equals(type)) {
row.add(value);
}
else if (DATE.equals(type)) {
row.add(new Date(parseDate((String) value)));
}
else if (TIME.equals(type)) {
row.add(new Time(parseTime(getSession().getTimeZoneKey(), (String) value)));
}
else if (TIME_WITH_TIME_ZONE.equals(type)) {
row.add(new Time(unpackMillisUtc(parseTimeWithTimeZone((String) value))));
}
else if (TIMESTAMP.equals(type)) {
row.add(new Timestamp(parseTimestamp(getSession().getTimeZoneKey(), (String) value)));
}
else if (TIMESTAMP_WITH_TIME_ZONE.equals(type)) {
row.add(new Timestamp(unpackMillisUtc(parseTimestampWithTimeZone((String) value))));
}
else {
throw new AssertionError("unhandled type: " + type);
}
}
return new MaterializedRow(DEFAULT_PRECISION, row);
}
};
}
private static TestingPrestoServer createTestingPrestoServer(URI discoveryUri, boolean coordinator)
throws Exception
{
ImmutableMap.Builder<String, String> properties = ImmutableMap.<String, String>builder()
.put("query.client.timeout", "10m")
.put("exchange.http-client.read-timeout", "1h")
.put("datasources", "default,tpch,tpch_sampled");
if (coordinator) {
properties.put("node-scheduler.include-coordinator", "false");
}
TestingPrestoServer server = new TestingPrestoServer(coordinator, properties.build(), ENVIRONMENT, discoveryUri, ImmutableList.<Module>of());
// install tpch plugins
server.installPlugin(new TpchPlugin());
server.createConnection("tpch", "tpch");
server.installPlugin(new SampledTpchPlugin());
server.createConnection("tpch_sampled", "tpch_sampled");
// install raptor plugin
File baseDir = server.getBaseDataDir().toFile();
Map<String, String> raptorProperties = ImmutableMap.<String, String>builder()
.put("metadata.db.type", "h2")
.put("metadata.db.filename", new File(baseDir, "db").getAbsolutePath())
.put("storage.data-directory", new File(baseDir, "data").getAbsolutePath())
.build();
server.installPlugin(new RaptorPlugin());
server.createConnection("default", "raptor", raptorProperties);
return server;
}
}