| /* |
| * 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.asterix.runtime.operators; |
| |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| import org.apache.asterix.common.api.IAsterixAppRuntimeContext; |
| import org.apache.asterix.common.dataflow.AsterixLSMIndexUtil; |
| import org.apache.asterix.common.exceptions.AsterixException; |
| import org.apache.asterix.common.transactions.ILogMarkerCallback; |
| import org.apache.asterix.common.transactions.PrimaryIndexLogMarkerCallback; |
| import org.apache.asterix.om.pointables.nonvisitor.ARecordPointable; |
| import org.apache.asterix.om.types.ARecordType; |
| import org.apache.asterix.om.types.ATypeTag; |
| import org.apache.hyracks.api.comm.VSizeFrame; |
| import org.apache.hyracks.api.context.IHyracksTaskContext; |
| import org.apache.hyracks.api.dataflow.value.IMissingWriter; |
| import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider; |
| import org.apache.hyracks.api.dataflow.value.RecordDescriptor; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder; |
| import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference; |
| import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor; |
| import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender; |
| import org.apache.hyracks.dataflow.common.comm.util.FrameUtils; |
| import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference; |
| import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference; |
| import org.apache.hyracks.dataflow.common.util.TaskUtils; |
| import org.apache.hyracks.storage.am.btree.impls.RangePredicate; |
| import org.apache.hyracks.storage.am.btree.util.BTreeUtils; |
| import org.apache.hyracks.storage.am.common.api.IIndexCursor; |
| import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback.Operation; |
| import org.apache.hyracks.storage.am.common.api.ITreeIndex; |
| import org.apache.hyracks.storage.am.common.api.IndexException; |
| import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor; |
| import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation; |
| import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator; |
| import org.apache.hyracks.storage.am.common.tuples.PermutingFrameTupleReference; |
| import org.apache.hyracks.storage.am.lsm.common.dataflow.LSMIndexInsertUpdateDeleteOperatorNodePushable; |
| import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex; |
| import org.apache.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor; |
| |
| public class AsterixLSMPrimaryUpsertOperatorNodePushable extends LSMIndexInsertUpdateDeleteOperatorNodePushable { |
| |
| private final PermutingFrameTupleReference key; |
| private MultiComparator keySearchCmp; |
| private ArrayTupleBuilder missingTupleBuilder; |
| private final IMissingWriter missingWriter; |
| private ArrayTupleBuilder tb; |
| private DataOutput dos; |
| private RangePredicate searchPred; |
| private IIndexCursor cursor; |
| private ITupleReference prevTuple; |
| private final int numOfPrimaryKeys; |
| boolean isFiltered = false; |
| private final ArrayTupleReference prevTupleWithFilter = new ArrayTupleReference(); |
| private ArrayTupleBuilder prevRecWithPKWithFilterValue; |
| private ARecordType recordType; |
| private int presetFieldIndex = -1; |
| private ARecordPointable recPointable; |
| private DataOutput prevDos; |
| private final boolean hasMeta; |
| |
| public AsterixLSMPrimaryUpsertOperatorNodePushable(IIndexOperatorDescriptor opDesc, IHyracksTaskContext ctx, |
| int partition, int[] fieldPermutation, IRecordDescriptorProvider recordDescProvider, int numOfPrimaryKeys, |
| ARecordType recordType, int filterFieldIndex) { |
| super(opDesc, ctx, partition, fieldPermutation, recordDescProvider, IndexOperation.UPSERT); |
| this.key = new PermutingFrameTupleReference(); |
| this.numOfPrimaryKeys = numOfPrimaryKeys; |
| missingWriter = opDesc.getMissingWriterFactory().createMissingWriter(); |
| int[] searchKeyPermutations = new int[numOfPrimaryKeys]; |
| for (int i = 0; i < searchKeyPermutations.length; i++) { |
| searchKeyPermutations[i] = fieldPermutation[i]; |
| } |
| key.setFieldPermutation(searchKeyPermutations); |
| hasMeta = (fieldPermutation.length > numOfPrimaryKeys + 1) && (filterFieldIndex < 0 |
| || (filterFieldIndex >= 0 && (fieldPermutation.length > numOfPrimaryKeys + 2))); |
| if (filterFieldIndex >= 0) { |
| isFiltered = true; |
| this.recordType = recordType; |
| this.presetFieldIndex = filterFieldIndex; |
| this.recPointable = (ARecordPointable) ARecordPointable.FACTORY.createPointable(); |
| this.prevRecWithPKWithFilterValue = new ArrayTupleBuilder(fieldPermutation.length + (hasMeta ? 1 : 0)); |
| this.prevDos = prevRecWithPKWithFilterValue.getDataOutput(); |
| } |
| |
| } |
| |
| // we have the permutation which has [pk locations, record location, optional:filter-location] |
| // the index -> we don't need anymore data? |
| // we need to use the primary index opTracker and secondary indexes callbacks for insert/delete since the lock would |
| // have been obtained through searchForUpsert operation |
| |
| @Override |
| public void open() throws HyracksDataException { |
| RecordDescriptor inputRecDesc = recordDescProvider.getInputRecordDescriptor(opDesc.getActivityId(), 0); |
| accessor = new FrameTupleAccessor(inputRecDesc); |
| writeBuffer = new VSizeFrame(ctx); |
| writer.open(); |
| indexHelper.open(); |
| index = indexHelper.getIndexInstance(); |
| try { |
| if (ctx.getSharedObject() != null) { |
| PrimaryIndexLogMarkerCallback callback = new PrimaryIndexLogMarkerCallback((AbstractLSMIndex) index); |
| TaskUtils.putInSharedMap(ILogMarkerCallback.KEY_MARKER_CALLBACK, callback, ctx); |
| } |
| missingTupleBuilder = new ArrayTupleBuilder(1); |
| DataOutput out = missingTupleBuilder.getDataOutput(); |
| try { |
| missingWriter.writeMissing(out); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| missingTupleBuilder.addFieldEndOffset(); |
| searchPred = createSearchPredicate(); |
| tb = new ArrayTupleBuilder(recordDesc.getFieldCount()); |
| dos = tb.getDataOutput(); |
| appender = new FrameTupleAppender(new VSizeFrame(ctx), true); |
| modCallback = opDesc.getModificationOpCallbackFactory().createModificationOperationCallback( |
| indexHelper.getResourcePath(), indexHelper.getResourceID(), indexHelper.getResourcePartition(), |
| index, ctx, this); |
| indexAccessor = index.createAccessor(modCallback, opDesc.getSearchOpCallbackFactory() |
| .createSearchOperationCallback(indexHelper.getResourceID(), ctx, this)); |
| cursor = indexAccessor.createSearchCursor(false); |
| frameTuple = new FrameTupleReference(); |
| IAsterixAppRuntimeContext runtimeCtx = |
| (IAsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject(); |
| AsterixLSMIndexUtil.checkAndSetFirstLSN((AbstractLSMIndex) index, |
| runtimeCtx.getTransactionSubsystem().getLogManager()); |
| } catch (Exception e) { |
| indexHelper.close(); |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| private void resetSearchPredicate(int tupleIndex) { |
| key.reset(accessor, tupleIndex); |
| searchPred.reset(key, key, true, true, keySearchCmp, keySearchCmp); |
| } |
| |
| private void writeOutput(int tupleIndex, boolean recordWasInserted) throws IOException { |
| boolean recordWasDeleted = prevTuple != null; |
| tb.reset(); |
| frameTuple.reset(accessor, tupleIndex); |
| for (int i = 0; i < frameTuple.getFieldCount(); i++) { |
| dos.write(frameTuple.getFieldData(i), frameTuple.getFieldStart(i), frameTuple.getFieldLength(i)); |
| tb.addFieldEndOffset(); |
| } |
| if (recordWasDeleted) { |
| dos.write(prevTuple.getFieldData(numOfPrimaryKeys), prevTuple.getFieldStart(numOfPrimaryKeys), |
| prevTuple.getFieldLength(numOfPrimaryKeys)); |
| tb.addFieldEndOffset(); |
| // if has meta, then append meta |
| if (hasMeta) { |
| dos.write(prevTuple.getFieldData(numOfPrimaryKeys + 1), prevTuple.getFieldStart(numOfPrimaryKeys + 1), |
| prevTuple.getFieldLength(numOfPrimaryKeys + 1)); |
| tb.addFieldEndOffset(); |
| } |
| // if with filters, append the filter |
| if (isFiltered) { |
| dos.write(prevTuple.getFieldData(numOfPrimaryKeys + (hasMeta ? 2 : 1)), |
| prevTuple.getFieldStart(numOfPrimaryKeys + (hasMeta ? 2 : 1)), |
| prevTuple.getFieldLength(numOfPrimaryKeys + (hasMeta ? 2 : 1))); |
| tb.addFieldEndOffset(); |
| } |
| } else { |
| addNullField(); |
| if (hasMeta) { |
| addNullField(); |
| } |
| // if with filters, append null |
| if (isFiltered) { |
| addNullField(); |
| } |
| } |
| if (recordWasInserted || recordWasDeleted) { |
| FrameUtils.appendToWriter(writer, appender, tb.getFieldEndOffsets(), tb.getByteArray(), 0, tb.getSize()); |
| } |
| } |
| |
| public static boolean isNull(ITupleReference t1, int field) { |
| return t1.getFieldData(field)[t1.getFieldStart(field)] == ATypeTag.SERIALIZED_MISSING_TYPE_TAG; |
| } |
| |
| private void addNullField() throws IOException { |
| dos.write(missingTupleBuilder.getByteArray()); |
| tb.addFieldEndOffset(); |
| } |
| |
| //TODO: use tryDelete/tryInsert in order to prevent deadlocks |
| @Override |
| public void nextFrame(ByteBuffer buffer) throws HyracksDataException { |
| accessor.reset(buffer); |
| LSMTreeIndexAccessor lsmAccessor = (LSMTreeIndexAccessor) indexAccessor; |
| int tupleCount = accessor.getTupleCount(); |
| int i = 0; |
| try { |
| while (i < tupleCount) { |
| boolean recordWasInserted = false; |
| tuple.reset(accessor, i); |
| resetSearchPredicate(i); |
| lsmAccessor.search(cursor, searchPred); |
| if (cursor.hasNext()) { |
| cursor.next(); |
| prevTuple = cursor.getTuple(); |
| cursor.reset(); |
| modCallback.setOp(Operation.DELETE); |
| if (isFiltered) { |
| prevTuple = getPrevTupleWithFilter(prevTuple); |
| } |
| if (i == 0) { |
| lsmAccessor.delete(prevTuple); |
| } else { |
| lsmAccessor.forceDelete(prevTuple); |
| } |
| } else { |
| prevTuple = null; |
| cursor.reset(); |
| } |
| if (!isNull(tuple, numOfPrimaryKeys)) { |
| modCallback.setOp(Operation.INSERT); |
| if ((prevTuple == null) && (i == 0)) { |
| lsmAccessor.insert(tuple); |
| } else { |
| lsmAccessor.forceInsert(tuple); |
| } |
| recordWasInserted = true; |
| } |
| writeOutput(i, recordWasInserted); |
| i++; |
| } |
| appender.write(writer, true); |
| } catch (IndexException | IOException | AsterixException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| /** |
| * Flushes tuples (which have already been written to tuple appender's buffer in writeOutput() method) |
| * to the next operator/consumer. |
| */ |
| @Override |
| public void flushPartialFrame() throws HyracksDataException { |
| appender.write(writer, true); |
| } |
| |
| private ITupleReference getPrevTupleWithFilter(ITupleReference prevTuple) throws IOException, AsterixException { |
| prevRecWithPKWithFilterValue.reset(); |
| for (int i = 0; i < prevTuple.getFieldCount(); i++) { |
| prevDos.write(prevTuple.getFieldData(i), prevTuple.getFieldStart(i), prevTuple.getFieldLength(i)); |
| prevRecWithPKWithFilterValue.addFieldEndOffset(); |
| } |
| recPointable.set(prevTuple.getFieldData(numOfPrimaryKeys), prevTuple.getFieldStart(numOfPrimaryKeys), |
| prevTuple.getFieldLength(numOfPrimaryKeys)); |
| // copy the field data from prevTuple |
| byte tag = recPointable.getClosedFieldType(recordType, presetFieldIndex).getTypeTag().serialize(); |
| prevDos.write(tag); |
| prevDos.write(recPointable.getByteArray(), recPointable.getClosedFieldOffset(recordType, presetFieldIndex), |
| recPointable.getClosedFieldSize(recordType, presetFieldIndex)); |
| prevRecWithPKWithFilterValue.addFieldEndOffset(); |
| // prepare the tuple |
| prevTupleWithFilter.reset(prevRecWithPKWithFilterValue.getFieldEndOffsets(), |
| prevRecWithPKWithFilterValue.getByteArray()); |
| return prevTupleWithFilter; |
| } |
| |
| private RangePredicate createSearchPredicate() { |
| keySearchCmp = BTreeUtils.getSearchMultiComparator(((ITreeIndex) index).getComparatorFactories(), key); |
| return new RangePredicate(key, key, true, true, keySearchCmp, keySearchCmp, null, null); |
| } |
| |
| @Override |
| public void close() throws HyracksDataException { |
| try { |
| cursor.close(); |
| writer.close(); |
| } catch (Exception e) { |
| throw new HyracksDataException(e); |
| } finally { |
| indexHelper.close(); |
| } |
| } |
| |
| @Override |
| public void fail() throws HyracksDataException { |
| writer.fail(); |
| } |
| |
| @Override |
| public void flush() throws HyracksDataException { |
| writer.flush(); |
| } |
| } |
