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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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Description:
*Description:*
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 update txnId to tableWriteIds map(i.e.,
org.apache.impala.catalog.Catalog#txnToWriteIds_).
*Root Cause:*
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 in this case.
Following events get the catalog table in the constructors:
AllocWriteIdEvent
ReloadEvent
CommitCompactionEvent
was:
*Description:*
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 update txnId to tableWriteIds map(i.e.,
org.apache.impala.catalog.Catalog#txnToWriteIds_).
*Root Cause:*
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 in this case.
Following events get the catalog table in the constructors:
AllocWriteIdEvent
ReloadEvent
CommitCompactionEvent
> Process AllocWriteIdEvent do not update txnId to tableWriteIds map 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:*
>
> 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 update txnId to tableWriteIds map(i.e.,
> org.apache.impala.catalog.Catalog#txnToWriteIds_).
> *Root Cause:*
> 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 in this case.
> Following events get the catalog table in the constructors:
> AllocWriteIdEvent
> ReloadEvent
> CommitCompactionEvent
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