[
https://issues.apache.org/jira/browse/HIVE-25149?focusedWorklogId=601240&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-601240
]
ASF GitHub Bot logged work on HIVE-25149:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/May/21 15:45
Start Date: 24/May/21 15:45
Worklog Time Spent: 10m
Work Description: pgaref commented on a change in pull request #2305:
URL: https://github.com/apache/hive/pull/2305#discussion_r638064998
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/mapjoin/fast/VectorMapJoinFastStringHashSetContainer.java
##########
@@ -0,0 +1,142 @@
+/*
+ * 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.hadoop.hive.ql.exec.vector.mapjoin.fast;
+
+import java.io.IOException;
+
+import org.apache.hadoop.hive.ql.exec.JoinUtil;
+import org.apache.hadoop.hive.ql.exec.persistence.MatchTracker;
+import
org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinBytesHashSet;
+import
org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashSetResult;
+import
org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinNonMatchedIterator;
+import org.apache.hadoop.hive.ql.metadata.HiveException;
+import org.apache.hadoop.hive.ql.plan.TableDesc;
+import
org.apache.hadoop.hive.serde2.binarysortable.fast.BinarySortableDeserializeRead;
+import org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo;
+import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
+import org.apache.hadoop.io.BytesWritable;
+import org.apache.hive.common.util.HashCodeUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/*
+ * An single STRING key hash set optimized for vector map join.
+ *
+ * The key will be deserialized and just the bytes will be stored.
+ */
+public class VectorMapJoinFastStringHashSetContainer extends
VectorMapJoinFastHashTableContainerBase implements
+ VectorMapJoinBytesHashSet {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(VectorMapJoinFastStringHashSetContainer.class);
+
+ private final VectorMapJoinFastStringHashSet[]
vectorMapJoinFastStringHashSets;
+ private final BinarySortableDeserializeRead keyBinarySortableDeserializeRead;
+ private final int numThreads;
+
+ public VectorMapJoinFastStringHashSetContainer(
+ boolean isFullOuter,
+ int initialCapacity, float loadFactor, int writeBuffersSize, long
estimatedKeyCount, TableDesc tableDesc,
+ int numThreads) {
+ this.vectorMapJoinFastStringHashSets = new
VectorMapJoinFastStringHashSet[numThreads];
+ for (int i=0; i<numThreads; ++i) {
+ LOG.info("HT Container {} ", i);
+ vectorMapJoinFastStringHashSets[i] = new VectorMapJoinFastStringHashSet(
+ isFullOuter,
+ initialCapacity, loadFactor, writeBuffersSize, estimatedKeyCount,
tableDesc);
+ }
+ PrimitiveTypeInfo[] primitiveTypeInfos = { TypeInfoFactory.stringTypeInfo
};
+ this.keyBinarySortableDeserializeRead =
+ BinarySortableDeserializeRead.with(primitiveTypeInfos, false,
tableDesc.getProperties());
+ this.numThreads = numThreads;
+ }
+
+ @Override
+ public void putRow(long hashCode, BytesWritable currentKey, BytesWritable
currentValue)
+ throws HiveException, IOException {
+ vectorMapJoinFastStringHashSets[(int) ((numThreads - 1) &
hashCode)].putRow(hashCode, currentKey, currentValue);
+ }
+
+ @Override
+ public long getHashCode(BytesWritable currentKey) throws HiveException,
IOException {
+ byte[] keyBytes = currentKey.getBytes();
+ int keyLength = currentKey.getLength();
+ keyBinarySortableDeserializeRead.set(keyBytes, 0, keyLength);
+ try {
+ if (!keyBinarySortableDeserializeRead.readNextField()) {
+ return 0;
+ }
+ } catch (Exception e) {
+ throw new HiveException("\nDeserializeRead details: " +
+ keyBinarySortableDeserializeRead.getDetailedReadPositionString() +
"\nException: " + e);
Review comment:
sure
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Issue Time Tracking
-------------------
Worklog Id: (was: 601240)
Time Spent: 40m (was: 0.5h)
> Support parallel load for Optimized HT implementations
> ------------------------------------------------------
>
> Key: HIVE-25149
> URL: https://issues.apache.org/jira/browse/HIVE-25149
> Project: Hive
> Issue Type: Sub-task
> Reporter: Panagiotis Garefalakis
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
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