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https://issues.apache.org/jira/browse/HIVE-25192?focusedWorklogId=628422&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-628422
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ASF GitHub Bot logged work on HIVE-25192:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Jul/21 13:03
Start Date: 27/Jul/21 13:03
Worklog Time Spent: 10m
Work Description: pvary commented on a change in pull request #2473:
URL: https://github.com/apache/hive/pull/2473#discussion_r677428063
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
##########
@@ -2680,9 +2683,9 @@ public void run() {
total += estimator.estimate(jobConf, scanOp,
-1).getTotalLength();
}
recordSummary(path, new ContentSummary(total, -1, -1));
- } else {
- // todo: should nullify summary for non-native tables,
- // not to be selected as a mapjoin target
+ } else if (handler == null) {
Review comment:
If the handler is not null (we have some specific handler which is not
an `InputEstimator`), then we do not add the file sizes of data size, but we
still have a `totalLength`, `totalFileCount`, `totalDirectoryCount` as 0?
Do I miss something?
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Issue Time Tracking
-------------------
Worklog Id: (was: 628422)
Time Spent: 2h 50m (was: 2h 40m)
> Nullify summary for non-native tables
> -------------------------------------
>
> Key: HIVE-25192
> URL: https://issues.apache.org/jira/browse/HIVE-25192
> Project: Hive
> Issue Type: Bug
> Reporter: Zhihua Deng
> Assignee: Zhihua Deng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> When creating non-native tables like kudu, hbase and so on, we create a
> warehouse location for these tables, though these tables may not use the
> location to store data or for job plan, we should skip getting the input
> summary of non-native tables when optimising joins, as which may cause oom
> problem when the non-native table is on the build side.
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