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https://issues.apache.org/jira/browse/HIVE-18751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sankar Hariappan updated HIVE-18751:
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Description:
Per table write ID (HIVE-18192) have replaced global transaction ID with write
ID to version data files in ACID/MM tables,
To ensure snapshot isolation, need to generate ValidWriteIdList for the given
txn/table and use it when scan the ACID/MM tables.
In case of get_splits UDF which runs on ACID table scan query won't receive it
properly through configuration (hive.txn.tables.valid.writeids) and hence
throws exception.
TestAcidOnTez.testGetSplitsLocks is the test failing for the same. Need to fix
it.
was:
Per table write ID (HIVE-18192) have replaced global transaction ID with write
ID to version data files in ACID/MM tables,
To ensure snapshot isolation, need to generate ValidWriteIdList for the given
txn/table and use it when scan the ACID/MM tables.
In case of get_splits UDF which runs on ACID table scan query won't receive it
properly through configuration and hence throws exception.
TestAcidOnTez.testGetSplitsLocks is the test failing for the same. Need to fix
it.
> ACID table scan through get_splits UDF doesn't receive ValidWriteIdList
> configuration.
> --------------------------------------------------------------------------------------
>
> Key: HIVE-18751
> URL: https://issues.apache.org/jira/browse/HIVE-18751
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Affects Versions: 3.0.0
> Reporter: Sankar Hariappan
> Assignee: Sankar Hariappan
> Priority: Major
> Labels: ACID, UDF
> Fix For: 3.0.0
>
>
> Per table write ID (HIVE-18192) have replaced global transaction ID with
> write ID to version data files in ACID/MM tables,
> To ensure snapshot isolation, need to generate ValidWriteIdList for the given
> txn/table and use it when scan the ACID/MM tables.
> In case of get_splits UDF which runs on ACID table scan query won't receive
> it properly through configuration (hive.txn.tables.valid.writeids) and hence
> throws exception.
> TestAcidOnTez.testGetSplitsLocks is the test failing for the same. Need to
> fix it.
>
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