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https://issues.apache.org/jira/browse/SPARK-22263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li resolved SPARK-22263.
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Resolution: Fixed
Assignee: Gengliang Wang
Fix Version/s: 2.3.0
> Refactor deterministic as lazy value
> ------------------------------------
>
> Key: SPARK-22263
> URL: https://issues.apache.org/jira/browse/SPARK-22263
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Critical
> Fix For: 2.3.0
>
>
> The method `deterministic` is frequently called in optimizer.
> Refactor `deterministic` as lazy value, in order to avoid redundant
> computations.
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