[jira] [Created] (IMPALA-8742) ScannerContext::eosr() should depends on scan_range->bytes_to_read() instead of scan_range->len()

[Chen Wang (JIRA)]

Chen Wang created IMPALA-8742:
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             Summary: ScannerContext::eosr() should depends on 
scan_range->bytes_to_read() instead of scan_range->len()
                 Key: IMPALA-8742
                 URL: https://issues.apache.org/jira/browse/IMPALA-8742
             Project: IMPALA
          Issue Type: Bug
          Components: Backend
    Affects Versions: Impala 3.2.0
            Reporter: Chen Wang


Normally, scan_range->len() equals to scan_range->bytes_to_read().

But when SubRanges exists, only bytes_to_read was updated, 
ScannerContext::GetBuffer would read entire scan_range->len() bytes, and I 
think it would be a bug.



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