Pengcheng Xiong created HIVE-10479:
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Summary: Empty tabAlias in columnInfo which triggers PPD
Key: HIVE-10479
URL: https://issues.apache.org/jira/browse/HIVE-10479
Project: Hive
Issue Type: Sub-task
Reporter: Pengcheng Xiong
Assignee: Laljo John Pullokkaran
in ql/src/java/org/apache/hadoop/hive/ql/ppd/OpProcFactory.java, line 477, when
aliases contains empty string "" and key is an empty string "" too, it assumes
that aliases contains key. This will trigger incorrect PPD. To reproduce it,
apply the HIVE-10455 and run cbo_subq_notin.q.
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