Gengliang Wang created SPARK-28108:
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Summary: Simplify OrcFilters
Key: SPARK-28108
URL: https://issues.apache.org/jira/browse/SPARK-28108
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.0.0
Reporter: Gengliang Wang
In #24068, @IvanVergiliev reports that OrcFilters.createBuilder has exponential
complexity in the height of the filter tree due to the way the check-and-build
pattern is implemented.
This is because the same method createBuilder is called twice recursively for
any children under And/Or/Not nodes, so that inside the first call, the second
call is called as well(See description in #24068 for details).
Comparing to the approach in #24068, I propose a very simple solution for the
issue. We can rely on the result of convertibleFilters, which can build a fully
convertible tree. With it, we don't need to concern about the children of a
certain node is not convertible in method createBuilder.
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