Arina Ielchiieva created DRILL-5523:
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Summary: Revert if condition in UnionAllRecordBatch changed in
DRILL-5419
Key: DRILL-5523
URL: https://issues.apache.org/jira/browse/DRILL-5523
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.11.0
Reporter: Arina Ielchiieva
Assignee: Arina Ielchiieva
Fix For: 1.11.0
If condition in UnionAllRecordBatch which was changed to correct one in
DRILL-5419 but this change caused the regression (DRILL-5521).
The root cause is not in change itself but rather in missing indication of
child column in map types when it is null. There is a big project upcoming to
re-working json reader implementation, including map types (DRILL-4824) which
will fix the problem.
So far reverting change to previous one so users won't see the regression till
DRILL-4824 is merged.
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