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https://issues.apache.org/jira/browse/FLINK-40268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gustavo de Morais closed FLINK-40268.
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Fix Version/s: 2.4.0
Resolution: Fixed
Fixed in master: dc256f305a444910ee87db648ee4e27207f9bef6
> Add new JSON_TYPE built-in function
> -----------------------------------
>
> Key: FLINK-40268
> URL: https://issues.apache.org/jira/browse/FLINK-40268
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API
> Reporter: Gustavo de Morais
> Assignee: Gustavo de Morais
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.4.0
>
>
> Add a new bult-in function JSON_TYPE(jsonValue) that returns a string value
> indicating the type of jsonValue. The possible results are OBJECT, ARRAY,
> STRING, INTEGER, LONG, FLOAT, DOUBLE, BOOLEAN and DATE, plus the string
> 'NULL' for the JSON null literal, which is distinct from a SQL NULL result.
> Also returns NULL if the input is NULL or is not valid JSON.
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