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https://issues.apache.org/jira/browse/SPARK-55110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-55110:
-----------------------------------
Labels: pull-request-available (was: )
> Order of rules BooleanSimplification and SimplifyBinaryComparison is
> suboptimal in achieving idempotency
> --------------------------------------------------------------------------------------------------------
>
> Key: SPARK-55110
> URL: https://issues.apache.org/jira/browse/SPARK-55110
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.2.0, 4.1.1
> Reporter: Asif
> Priority: Minor
> Labels: pull-request-available
>
> Current order of rule execution is following
> {quote} BooleanSimplification, SimplifyConditionals,
> SimplifyBinaryComparison,
> {quote}
> For the following expression:
> {quote}($"a" > 1000 && $"c" =!= false){quote}
> The optimized expression
> {quote}$"a" > 1000 && $"c"{quote}
> is achieved in 2 passes.
> The reason being SimplifyBinaryComparison is called after Boolean
> simplification.
> The SimplifyBinaryComparison converts
> {quote} $"c" =!= false{quote}
> to
> {quote}Not (Not ( $"c")){quote}
> in first pass, and then in the second pass the BooleanSimplification converts
> it into
> {quote}$"c"{quote}
>
> If the order of the rules is modified to
> SimplifyConditionals, SimplifyBinaryComparison, BooleanSimplification
>
> the idempotency will be achieved in single pass.
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