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https://issues.apache.org/jira/browse/HIVE-25102?focusedWorklogId=599826&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-599826
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ASF GitHub Bot logged work on HIVE-25102:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/May/21 14:21
Start Date: 20/May/21 14:21
Worklog Time Spent: 10m
Work Description: marton-bod commented on a change in pull request #2261:
URL: https://github.com/apache/hive/pull/2261#discussion_r636151988
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/QueryState.java
##########
@@ -59,6 +60,11 @@
static public final String USERID_TAG = "userid";
+ /**
+ * map of tables involved in the query.
+ */
+ private final Map<String, Object> tableMap = new HashMap<>();
Review comment:
Can we make this a generic map so we can store things other than tables
here? We will need this container also for other info that - in the absence of
this new query state feature - we previously had to force into the conf, such
as write commit info (jobID, vertexID, taskNum), CTAS info (is the query ctas?
what's the ctas target table name), etc.
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Issue Time Tracking
-------------------
Worklog Id: (was: 599826)
Time Spent: 4.5h (was: 4h 20m)
> Cache Iceberg table objects within same query
> ---------------------------------------------
>
> Key: HIVE-25102
> URL: https://issues.apache.org/jira/browse/HIVE-25102
> Project: Hive
> Issue Type: Improvement
> Reporter: László Pintér
> Assignee: László Pintér
> Priority: Major
> Labels: pull-request-available
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> We run Catalogs.loadTable(configuration, props) plenty of times which is
> costly.
> We should:
> - Cache it maybe even globally based on the queryId
> - Make sure that the query uses one snapshot during the whole execution of a
> single query
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