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https://issues.apache.org/jira/browse/IMPALA-2426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16905893#comment-16905893
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Tamas Mate commented on IMPALA-2426:
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While I was testing the behavior of {{loadTableMetadata}} noticed that the
{{INSERT INTO}} statement has the same side effect. Also, other operations
could cause this reload as well.
> COMPUTE INCREMENTAL STATS doesn't compute stats for newly discovered
> partitions
> -------------------------------------------------------------------------------
>
> Key: IMPALA-2426
> URL: https://issues.apache.org/jira/browse/IMPALA-2426
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog
> Affects Versions: Impala 2.2.4, Impala 2.3.0
> Reporter: Jim Apple
> Assignee: Tamas Mate
> Priority: Minor
> Labels: catalog-server, ramp-up
>
> In the following sequence, I expect the stats for partition 333 to be
> computed, but they are not:
> # In Impala: create table T (x int) paritioned by (y int)
> # In Impala: insert into table T partition (y=42) values (2)
> # In Hive: alter table T add partition (y=333)
> # In Impala: compute incremental stats T
> # In Impala: show table stats T
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