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https://issues.apache.org/jira/browse/SPARK-37857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17473228#comment-17473228
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Hyukjin Kwon commented on SPARK-37857:
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from a cursory look, we should probably fix. Are you interested in submitting a
PR [~venk]?
> Any depth search not working in get_json_object ($..foo)
> --------------------------------------------------------
>
> Key: SPARK-37857
> URL: https://issues.apache.org/jira/browse/SPARK-37857
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Venk
> Priority: Major
>
> The following example should return a value _abc_ but instead returns null
> {code:java}
> spark.sql("""select get_json_object('{"k":{"value":"abc"}}', '$..value') as
> j""").show(){code}
> I checked the [spark test suite for Json expression parser |
> [spark/JsonExpressionsSuite.scala at f12793de205a46c75529ac20649e2e61edc0b144
> · apache/spark ·
> GitHub|https://github.com/apache/spark/blob/f12793de205a46c75529ac20649e2e61edc0b144/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/JsonExpressionsSuite.scala]]
> and the example there seems to be for a negative test case (non-existent
> key), so I'm not sure if this is expected.
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