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https://issues.apache.org/jira/browse/HIVE-4057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13637401#comment-13637401
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Ashutosh Chauhan edited comment on HIVE-4057 at 4/20/13 11:18 PM:
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HIVE-3179 fixes the issue. Please reopen if you can still reproduce the bug.
was (Author: ashutoshc):
HIVE-3179 fixes the issue. Please reopen if you can still reopen the bug.
> LazyHBaseRow may return cache data if the field is null and make the result
> wrong
> ---------------------------------------------------------------------------------
>
> Key: HIVE-4057
> URL: https://issues.apache.org/jira/browse/HIVE-4057
> Project: Hive
> Issue Type: Bug
> Components: HBase Handler
> Affects Versions: 0.11.0
> Reporter: binlijin
> Fix For: 0.12.0
>
> Attachments: HIVE-4057.patch
>
>
> LazyHBaseRow
> {code}
> private Object uncheckedGetField(int fieldID) {
> if(!fieldsInited[fieldID]) {
> fieldsInited[fieldID] = true;
> byte [] res = result.getValue(colMap.familyNameBytes,
> colMap.qualifierNameBytes);
> if (res == null) {
> return null;
> }
> }
> return fields[fieldID].getObject();
> }
> {code}
> if there is a LazyHBaseRow instance row, the fieldID is 0, we assume this
> field is null, so the first time row.uncheckedGetField(0) will return null,
> but the second time when row.uncheckedGetField(0) will return
> fields[fieldID].getObject(), this is the last cache data.
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