/*
* 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 com.facebook.presto.Session;
import com.facebook.presto.client.QueryResults;
import com.facebook.presto.server.testing.TestingPrestoServer;
import com.facebook.presto.spi.type.TimeZoneKey;
import com.facebook.presto.spi.type.Type;
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 io.airlift.log.Logger;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
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.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.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.collect.Iterables.transform;
public class TestingPrestoClient
extends AbstractTestingPrestoClient<MaterializedResult>
{
private static final Logger log = Logger.get("TestQueries");
public TestingPrestoClient(TestingPrestoServer prestoServer, Session defaultSession)
{
super(prestoServer, defaultSession);
}
@Override
protected ResultsSession<MaterializedResult> getResultSession(Session session)
{
return new MaterializedResultSession(session);
}
private class MaterializedResultSession
implements ResultsSession<MaterializedResult>
{
private final ImmutableList.Builder<MaterializedRow> rows = ImmutableList.builder();
private final AtomicBoolean loggedUri = new AtomicBoolean(false);
private final AtomicReference<List<Type>> types = new AtomicReference<>();
private final TimeZoneKey timeZoneKey;
private MaterializedResultSession(Session session)
{
this.timeZoneKey = session.getTimeZoneKey();
}
@Override
public void addResults(QueryResults results)
{
if (!loggedUri.getAndSet(true)) {
log.info("Query %s: %s?pretty", results.getId(), results.getInfoUri());
}
if (types.get() == null && results.getColumns() != null) {
types.set(getTypes(results.getColumns()));
}
if (results.getData() != null) {
checkState(types.get() != null, "data received without types");
rows.addAll(transform(results.getData(), dataToRow(timeZoneKey, types.get())));
}
}
@Override
public MaterializedResult build()
{
checkState(types.get() != null, "never received types for the query");
return new MaterializedResult(rows.build(), types.get());
}
}
private static Function<List<Object>, MaterializedRow> dataToRow(final TimeZoneKey timeZoneKey, 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(timeZoneKey, (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(timeZoneKey, (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);
}
};
}
}