Sankar Hariappan commented on HIVE-18751:

Thanks for the review [~anishek]!

Test failures are irrelevant to the patch and it is committed to master!

> 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, pull-request-available
>             Fix For: 3.0.0
>         Attachments: HIVE-18751.01.patch
> 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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