Tim Armstrong created IMPALA-9948:
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Summary: Consider supporting correlated subqueries without
equi-join predicates
Key: IMPALA-9948
URL: https://issues.apache.org/jira/browse/IMPALA-9948
Project: IMPALA
Issue Type: New Feature
Components: Frontend
Reporter: Tim Armstrong
The Nested loop join supports a variety of join modes and we could rewrite more
subqueries into nested loop joins. The downside is that the performance could
be very poor in many cases
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