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https://issues.apache.org/jira/browse/HIVE-24991?focusedWorklogId=607830&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-607830
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ASF GitHub Bot logged work on HIVE-24991:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Jun/21 12:41
Start Date: 07/Jun/21 12:41
Worklog Time Spent: 10m
Work Description: pgaref commented on a change in pull request #2264:
URL: https://github.com/apache/hive/pull/2264#discussion_r646550206
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/io/orc/VectorizedOrcAcidRowBatchReader.java
##########
@@ -281,16 +285,23 @@ private VectorizedOrcAcidRowBatchReader(JobConf conf,
OrcSplit orcSplit, Reporte
deleteEventReaderOptions.range(0, Long.MAX_VALUE);
deleteEventReaderOptions.searchArgument(null, null);
keyInterval = findMinMaxKeys(orcSplit, conf, deleteEventReaderOptions);
+ fetchDeletedRows = conf.getBoolean(Constants.ACID_FETCH_DELETED_ROWS,
false);
DeleteEventRegistry der;
try {
// See if we can load all the relevant delete events from all the
// delete deltas in memory...
+ ColumnizedDeleteEventRegistry.OriginalWriteIdLoader writeIdLoader;
+ if (fetchDeletedRows) {
+ writeIdLoader = new ColumnizedDeleteEventRegistry.BothWriteIdLoader();
Review comment:
Maybe rename to something more explicit like
OriginalAndCurrentWriteIdLoader?
Also lets add some comment above explaining the logic
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Issue Time Tracking
-------------------
Worklog Id: (was: 607830)
Time Spent: 40m (was: 0.5h)
> Enable fetching deleted rows in vectorized mode
> -----------------------------------------------
>
> Key: HIVE-24991
> URL: https://issues.apache.org/jira/browse/HIVE-24991
> Project: Hive
> Issue Type: Improvement
> Components: Vectorization
> Reporter: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> HIVE-24855 enables loading deleted rows from ORC tables when table property
> *acid.fetch.deleted.rows* is true.
> The goal of this jira is to enable this feature in vectorized orc batch
> reader.
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