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https://issues.apache.org/jira/browse/IMPALA-12851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Venugopal Reddy K updated IMPALA-12851:
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Summary: Process AllocWriteIdEvent do not add txnId to tableWriteIds
mapping in Catalog (was: Process AllocWriteIdEvent do not add txnId to
tableWriteIds map in Catalog)
> Process AllocWriteIdEvent do not add txnId to tableWriteIds mapping in Catalog
> ------------------------------------------------------------------------------
>
> Key: IMPALA-12851
> URL: https://issues.apache.org/jira/browse/IMPALA-12851
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog
> Reporter: Venugopal Reddy K
> Assignee: Venugopal Reddy K
> Priority: Major
>
> *Description:*
> txnId to tableWriteIds mapping in Catalog(i.e.,
> org.apache.impala.catalog.Catalog#txnToWriteIds_) is not added in the
> following cases:
> # When CREATE_TABLE event is followed by ALLOC_WRITE_ID_EVENT for a table in
> the same batch of MetastoreEventsProcessor.processEvents(), process
> AllocWriteIdEvent do not add txnId to tableWriteIds mapping in catalog. It
> happens, because we get table from catalog in the AllocWriteIdEvent
> constructor. And catalog_.getTable() returns null as the CREATE_TABLE is not
> processed by the time of AllocWriteIdEvent construction.Following events get
> the catalog table in the constructors:-
> ## AllocWriteIdEvent,
> ## ReloadEvent,
> ## CommitCompactionEvent.
> # When the table is not loaded, msTbl_ is null. process AllocWriteIdEvent
> returns without updating txnId to tableWriteIds map in catalog.
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