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https://issues.apache.org/jira/browse/SPARK-30139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-30139:
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Affects Version/s: (was: 3.0.0)
3.1.0
> get_json_object does not work correctly
> ---------------------------------------
>
> Key: SPARK-30139
> URL: https://issues.apache.org/jira/browse/SPARK-30139
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Clemens Valiente
> Priority: Major
>
> according to documentation:
> [https://spark.apache.org/docs/2.4.4/api/java/org/apache/spark/sql/functions.html#get_json_object-org.apache.spark.sql.Column-java.lang.String-]
> get_json_object "Extracts json object from a json string based on json path
> specified, and returns json string of the extracted json object. It will
> return null if the input json string is invalid."
>
> the following SQL snippet returns null even though it should return 'a'
> {code}
> select get_json_object([{"id":123,"value":"a"},\{"id":456,"value":"b"}],
> $[?($.id==123)].value){code}
>
>
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