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Posted to issues@spark.apache.org by "todd.chen (Jira)" <ji...@apache.org> on 2021/06/09 05:48:00 UTC
[jira] [Comment Edited] (SPARK-35688) GeneratePredicate eliminate
will fail in some case
[ https://issues.apache.org/jira/browse/SPARK-35688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17359775#comment-17359775 ]
todd.chen edited comment on SPARK-35688 at 6/9/21, 5:47 AM:
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in this case ,because get_json_object is CodegenFallback, so in CollapseCodegenStages, supportCodegen will return false, and spark will call `org.apache.spark.sql.execution.FilterExec.doExecute`, and use Predicate.create(condition, child.output)
if we remove condition uid > 0 ,this plan supportCodegen and we can success execute this query
was (Author: cjuexuan):
in this case ,because get_json_object is CodegenFallback, so in CollapseCodegenStages, supportCodegen will return false, and spark will call `org.apache.spark.sql.execution.FilterExec.doExecute`, and use Predicate.create(condition, child.output)
> GeneratePredicate eliminate will fail in some case
> ---------------------------------------------------
>
> Key: SPARK-35688
> URL: https://issues.apache.org/jira/browse/SPARK-35688
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.1.1
> Reporter: todd.chen
> Priority: Major
>
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