Gustavo de Morais created FLINK-37175:
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Summary: Support JSON built-in function for JSON_OBJECT
Key: FLINK-37175
URL: https://issues.apache.org/jira/browse/FLINK-37175
Project: Flink
Issue Type: New Feature
Components: Table SQL / API
Reporter: Gustavo de Morais
Fix For: 2.0.0
It is currently not possible to declare a SQL string that contains existing
JSON as valid JSON for JSON_OBJECT. If you do something like {{JSON_OBJECT(KEY
'K' VALUE '\{"value": 42}'), you'll have a string, \{"K", "{"value": 42}"}, as
output, an not a json object.}}
We should support the JSON() function, at least initial support for it until
this function returns the JSON datatype.
Example:
{{}}
{code:java}
{code}
{{jsonObject(JsonOnNull.NULL, "nested", json('\{"value": 42}'))}}
{{JSON_OBJECT(KEY 'K' VALUE JSON('\{"value": 42}'))}}
{{// \{"nested":{"value":42}}}}
{code:java}
{code}
{{}}
{{}}
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