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https://issues.apache.org/jira/browse/DRILL-6373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16551293#comment-16551293
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ASF GitHub Bot commented on DRILL-6373:
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paul-rogers commented on issue #1244: DRILL-6373: Refactor Result Set Loader
for Union, List support
URL: https://github.com/apache/drill/pull/1244#issuecomment-406725968
@vrozov, if the bug was not introduced by this PR, then why have I been
trying for months to fix it without access to the test environment? Why did the
pre-commit tests pass before this PR, but fail with this PR? Just
double-checked. This PR did not touch `AbstractMapVector` and so could not have
introduced new issues in that vector.
This PR did change the nullable vector. That change has been backed out and
an alternative fix provided.
Could the team Kindly fix the pre-existing bug so that the tests run clean
before we attempt to retest this PR?
Or, can the team re-run the pre-commit tests so that we know if the work
around solves the issue, or if there is some deeper issue to fix?
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> Refactor the Result Set Loader to prepare for Union, List support
> -----------------------------------------------------------------
>
> Key: DRILL-6373
> URL: https://issues.apache.org/jira/browse/DRILL-6373
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.13.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Major
> Attachments: 6373_Functional_Fail_07_13_1300.txt,
> drill-6373-with-6585-fix-functional-failure.txt
>
>
> As the next step in merging the "batch sizing" enhancements, refactor the
> {{ResultSetLoader}} and related classes to prepare for Union and List
> support. This fix follows the refactoring of the column accessors for the
> same purpose. Actual Union and List support is to follow in a separate PR.
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