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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13704) Hbase throws OutOfOrderScannerNextException exception when MultiRowRangeFilter is used.
Date Tue, 19 May 2015 19:55:02 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551101#comment-14551101
] 

Ted Yu commented on HBASE-13704:
--------------------------------

The check suggested by Aleksandr is needed because range is modified within the outer if block:
{code}
      if(index != ROW_BEFORE_FIRST_RANGE) {
        range = rangeList.get(index);
      } else {
        range = rangeList.get(0);
      }
{code}

> Hbase throws OutOfOrderScannerNextException exception when MultiRowRangeFilter is used.
> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-13704
>                 URL: https://issues.apache.org/jira/browse/HBASE-13704
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 1.1.0
>            Reporter: Aleksandr Maksymenko
>         Attachments: 13704-v1.txt
>
>
> When using filter MultiRowRangeFilter with ranges closed to each other that there are
no rows between ranges, then OutOfOrderScannerNextException is throwed.
> In filterRowKey method when range is switched to the next range, currentReturnCode is
set to SEEK_NEXT_USING_HINT (MultiRowRangeFilter: 118 in v1.1.0). But if new range is already
contain this row, then we should include this row, not to seek for another one.
> Replacing line 118 to this code seems to be working fine:
> {code}
> if (range.contains(buffer, offset, length)) {
>     currentReturnCode = ReturnCode.INCLUDE;
> } else {
>     currentReturnCode = ReturnCode.SEEK_NEXT_USING_HINT;
> }
> {code}



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