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

["Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-19893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512087#comment-16512087 ] 

Jesus Camacho Rodriguez edited comment on HIVE-19893 at 6/14/18 7:37 AM:
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Cc [~jdere], I think algorithm needs to be extended taking into account this case.


was (Author: jcamachorodriguez):
Cc [~jdere], I think algorithm needs to be extended taking into account minimum open id.

> 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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