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https://issues.apache.org/jira/browse/FLINK-39638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18079990#comment-18079990
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Sergey Nuyanzin commented on FLINK-39638:
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Merged as
[954d32ffa59edb96f38fce283dde4977adb68946|https://github.com/apache/flink/commit/954d32ffa59edb96f38fce283dde4977adb68946]
> Make codegen reuse result of JSON parse in JSON_VALUE, JSON_QUERY
> -----------------------------------------------------------------
>
> Key: FLINK-39638
> URL: https://issues.apache.org/jira/browse/FLINK-39638
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available
>
> Example
> {code:sql}
> SELECT JSON_VALUE('some json', '$.a'), JSON_VALUE('some json', '$.b');
> {code}
> in this case same json will be parsed twice
> while in fact we can make result of parse reusable
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