Pengcheng Xiong created HIVE-15399:
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Summary: Parser change for UniqueJoin
Key: HIVE-15399
URL: https://issues.apache.org/jira/browse/HIVE-15399
Project: Hive
Issue Type: Bug
Reporter: Pengcheng Xiong
Assignee: Pengcheng Xiong
UniqueJoin was introduced in HIVE-591. Add Unique Join. (Emil Ibrishimov via
namit). It sounds like that there is only one q test for unique join, i.e.,
uniquejoin.q. In the q test, unique join source can only come from a table.
However, in parser, its source can come from not only tableSource, but also
{code}
partitionedTableFunction | tableSource | subQuerySource | virtualTableSource
{code}
I think it would be better to change the parser and limit it to meet the user's
real requirement.
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