| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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. |
| */ |
| package org.apache.drill.exec.client; |
| |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.drill.common.DrillAutoCloseables; |
| import org.apache.drill.common.config.DrillConfig; |
| import org.apache.drill.common.exceptions.UserException; |
| import org.apache.drill.exec.client.QuerySubmitter.Format; |
| import org.apache.drill.exec.memory.BufferAllocator; |
| import org.apache.drill.exec.memory.RootAllocatorFactory; |
| import org.apache.drill.exec.proto.UserBitShared.QueryData; |
| import org.apache.drill.exec.proto.UserBitShared.QueryId; |
| import org.apache.drill.exec.proto.UserBitShared.QueryResult.QueryState; |
| import org.apache.drill.exec.record.RecordBatchLoader; |
| import org.apache.drill.exec.rpc.ConnectionThrottle; |
| import org.apache.drill.exec.rpc.user.QueryDataBatch; |
| import org.apache.drill.exec.rpc.user.UserResultsListener; |
| import org.apache.drill.exec.util.VectorUtil; |
| |
| import org.apache.drill.shaded.guava.com.google.common.base.Stopwatch; |
| |
| import io.netty.buffer.DrillBuf; |
| |
| public class LoggingResultsListener implements UserResultsListener { |
| private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(LoggingResultsListener.class); |
| |
| private final AtomicInteger count = new AtomicInteger(); |
| private final Stopwatch w = Stopwatch.createUnstarted(); |
| private final RecordBatchLoader loader; |
| private final Format format; |
| private final int columnWidth; |
| private final BufferAllocator allocator; |
| |
| public LoggingResultsListener(DrillConfig config, Format format, int columnWidth) { |
| this.allocator = RootAllocatorFactory.newRoot(config); |
| this.loader = new RecordBatchLoader(allocator); |
| this.format = format; |
| this.columnWidth = columnWidth; |
| } |
| |
| @Override |
| public void submissionFailed(UserException ex) { |
| logger.info("Exception (no rows returned). Returned in {} ms.", w.elapsed(TimeUnit.MILLISECONDS), ex); |
| } |
| |
| @Override |
| public void queryCompleted(QueryState state) { |
| DrillAutoCloseables.closeNoChecked(allocator); |
| logger.info("Total rows returned: {}. Returned in {} ms.", count.get(), w.elapsed(TimeUnit.MILLISECONDS)); |
| } |
| |
| @Override |
| public void dataArrived(QueryDataBatch result, ConnectionThrottle throttle) { |
| final QueryData header = result.getHeader(); |
| final DrillBuf data = result.getData(); |
| |
| try { |
| if (data != null) { |
| count.addAndGet(header.getRowCount()); |
| // TODO: Clean: DRILL-2933: That load(...) no longer throws |
| // SchemaChangeException. |
| loader.load(header.getDef(), data); |
| |
| try { |
| switch(format) { |
| case TABLE: |
| VectorUtil.logVectorAccessibleContent(loader, columnWidth); |
| break; |
| case TSV: |
| VectorUtil.logVectorAccessibleContent(loader, "\t"); |
| break; |
| case CSV: |
| VectorUtil.logVectorAccessibleContent(loader, ","); |
| break; |
| default: |
| throw new IllegalStateException(format.toString()); |
| } |
| } finally { |
| loader.clear(); |
| } |
| } |
| } |
| finally { |
| result.release(); |
| } |
| } |
| |
| @Override |
| public void queryIdArrived(QueryId queryId) { |
| w.start(); |
| } |
| } |