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Posted to issues-all@impala.apache.org by "Steve Carlin (Jira)" <ji...@apache.org> on 2021/03/18 14:20:00 UTC
[jira] [Created] (IMPALA-10593) Skip runtime filter for outer joins
when Expr not constant after null substitution
Steve Carlin created IMPALA-10593:
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Summary: Skip runtime filter for outer joins when Expr not constant after null substitution
Key: IMPALA-10593
URL: https://issues.apache.org/jira/browse/IMPALA-10593
Project: IMPALA
Issue Type: Bug
Components: Frontend
Reporter: Steve Carlin
Currently there is code that asserts that an Expr is not constant after substituting SlotRefs with constant nulls.
A third party tool needs this restriction to be weakened. In a case where an Expr is checked and the Expr is not constant even after substituting nulls, the result will be to not generate a runtime filter for that Expr.
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