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https://issues.apache.org/jira/browse/HIVE-7213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-7213:
-----------------------------------
Assignee: Ashutosh Chauhan
Status: Patch Available (was: Open)
> COUNT(*) returns out-dated count value after TRUNCATE or INSERT INTO
> --------------------------------------------------------------------
>
> Key: HIVE-7213
> URL: https://issues.apache.org/jira/browse/HIVE-7213
> Project: Hive
> Issue Type: Bug
> Components: Query Processor, Statistics
> Affects Versions: 0.13.0
> Environment: HDP 2.1
> Windows Server 2012 64-bit
> Reporter: Moustafa Aboul Atta
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-7213.patch
>
>
> Running a query to count number of rows in a table through
> {{SELECT COUNT( * ) FROM t}}
> always returns the last number of rows added through the following statement:
> {{INSERT INTO TABLE t SELECT r FROM t2}}
> However, running
> {{SELECT * FROM t}}
> returns the expected results i.e. the old and newly added rows.
> Also running
> {{TRUNCATE TABLE t;}}
> returns the original count of rows in the table, however running
> {{SELECT * FROM t;}}
> returns nothing as expected
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