Re: JSON NULL handling
Posted by: Doeyull Kim
Date: January 03, 2019 02:54AM

SET @doc = JSON_OBJECT('a', NULL);
SELECT JSON_UNQUOTE(IF(JSON_TYPE(JSON_EXTRACT(@doc,'$.a')) = 'NULL', NULL, JSON_EXTRACT(@doc,'$.a'))) as C1,
JSON_UNQUOTE(JSON_EXTRACT(@doc,'$.b')) as C2;

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