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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2018/06/14 07:38:00 UTC

[jira] [Updated] (HIVE-19893) TxnIdUtils.checkEquivalentWriteIds may return false negatives

     [ https://issues.apache.org/jira/browse/HIVE-19893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez updated HIVE-19893:
-------------------------------------------
    Description: 
Observed while working on HIVE-19876.

Following two lists are equivalent:
{noformat}
default.tbl:2:2:2: (hwm:2, minOpenId:2, openTxns:2)
default.tbl:2:9223372036854775807:: (hwm:2, minOpenId:none)
{noformat}

However, {{checkEquivalentWriteIds}} will return false, i.e., not equivalent.

  was:
Observed while working on HIVE-19876.

Following two lists are equivalent:
{noformat}
default.tbl1:2:2:2: (hwm:2, minOpenId:2, openTxns:2)
default.tbl1:2:9223372036854775807:: (hwm:2, minOpenId:none)
{noformat}

However, {{checkEquivalentWriteIds}} will return false, i.e., not equivalent.


> TxnIdUtils.checkEquivalentWriteIds may return false negatives
> -------------------------------------------------------------
>
>                 Key: HIVE-19893
>                 URL: https://issues.apache.org/jira/browse/HIVE-19893
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>            Reporter: Jesus Camacho Rodriguez
>            Priority: Major
>
> Observed while working on HIVE-19876.
> Following two lists are equivalent:
> {noformat}
> default.tbl:2:2:2: (hwm:2, minOpenId:2, openTxns:2)
> default.tbl:2:9223372036854775807:: (hwm:2, minOpenId:none)
> {noformat}
> However, {{checkEquivalentWriteIds}} will return false, i.e., not equivalent.



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