Steve Carlin created IMPALA-15251:
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Summary: Calcite Planner: hints applied to broadly across joins
Key: IMPALA-15251
URL: https://issues.apache.org/jira/browse/IMPALA-15251
Project: IMPALA
Issue Type: Improvement
Reporter: Steve Carlin
After IMPALA-14940 gets pushed, there is still a problem on join hints.
Calcite applies the join hint to the SqlSelect. If there are two joins in the
select clause, there is only one place to put the hint. While Impala allows
you to apply the hint to one join of the two, Calcite applies the hint to both
joins.
Perhaps to solve this, we can add extra information to the hint when it is
produced?
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