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https://issues.apache.org/jira/browse/HIVE-24037?focusedWorklogId=595452&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-595452
]
ASF GitHub Bot logged work on HIVE-24037:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 12/May/21 16:23
Start Date: 12/May/21 16:23
Worklog Time Spent: 10m
Work Description: pgaref commented on a change in pull request #2004:
URL: https://github.com/apache/hive/pull/2004#discussion_r631202108
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/mapjoin/fast/VectorMapJoinFastHashTableWrapper.java
##########
@@ -0,0 +1,40 @@
+/*
+ * 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 org.apache.hadoop.hive.ql.metadata.HiveException;
+import org.apache.hadoop.io.BytesWritable;
+
+import java.io.IOException;
+
+public abstract class VectorMapJoinFastHashTableWrapper {
+
+ public abstract long calculateLongHashCode(long key, BytesWritable
currentKey) throws HiveException, IOException;
+
+ public abstract long deserializeToKey(BytesWritable currentKey) throws
HiveException, IOException;
Review comment:
Maybe have a default impl of deserializeToKey() throwing an exception or
returning 0 and only have Long implementations to Override?
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Issue Time Tracking
-------------------
Worklog Id: (was: 595452)
Time Spent: 2h 10m (was: 2h)
> Parallelize hash table constructions in map joins
> -------------------------------------------------
>
> Key: HIVE-24037
> URL: https://issues.apache.org/jira/browse/HIVE-24037
> Project: Hive
> Issue Type: Improvement
> Reporter: Ramesh Kumar Thangarajan
> Assignee: Ramesh Kumar Thangarajan
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> Parallelize hash table constructions in map joins
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