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https://issues.apache.org/jira/browse/SPARK-38769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17516219#comment-17516219
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gabrywu commented on SPARK-38769:
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[~maxgekk]
> [SQL] behavior of schema_of_json not same with 2.4.0
> ----------------------------------------------------
>
> Key: SPARK-38769
> URL: https://issues.apache.org/jira/browse/SPARK-38769
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.1.1
> Reporter: gabrywu
> Priority: Minor
>
> When I switch to spark 3.1.1 from spark 2.4.0, I found a built-in function
> throw errors:
> |== Physical Plan == org.apache.spark.sql.AnalysisException: cannot resolve
> 'schema_of_json(get_json_object(`adtnl_info_txt`, '$.all_model_scores'))' due
> to data type mismatch: The input json should be a foldable string expression
> and not null; however, got get_json_object(`adtnl_info_txt`,
> '$.all_model_scores').; line 3 pos 2; |
> But schema_of_json worked well in 2.4.0, So, is it a bug, or a new feature,
> which doesn't support non-Literal expressions?
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