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https://issues.apache.org/jira/browse/CALCITE-4989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17478761#comment-17478761
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Mans Singh commented on CALCITE-4989:
-------------------------------------
Hi [~nobigo] - I have formatted the query and the results. Thanks.
> Nested JSON_OBJECT creation does not produce proper json
> --------------------------------------------------------
>
> Key: CALCITE-4989
> URL: https://issues.apache.org/jira/browse/CALCITE-4989
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.29.0
> Reporter: Mans Singh
> Priority: Critical
> Labels: json_object
>
> I am trying to create a nested json object using JSON_OBJECT and am getting a
> json with escaped quotes.
>
> I have the following query in sql line :
>
> {code:java}
> select JSON_OBJECT(
> KEY 'level1'
> VALUE(
> JSON_OBJECT(
> KEY 'level2'
> VALUE(
> JSON_OBJECT(
> KEY 'level3'
> VALUE 'val3')
> )
> )
> )
> )
> from (values ('{"a":{"b":2}}')) t(v);
>
> {code}
> And it produces the result:
>
> {noformat}
> -------------------------------------------------------------
> EXPR$0
> -------------------------------------------------------------
> {"level1":" {\"level2\":\"{\\\"level3\\\":\\\"val3\\\"}\"}"}
> -------------------------------------------------------------
> {noformat}
>
> Also, see examples created by Stamatis -
> [https://github.com/zabetak/calcite/commit/988c13ce1ff551d6e4046a3c027ff298f79971f8]
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