Need delete same values in a json
SET @json1 = '{"ccmilestones":"10701", "descriptions":"10701,10702"}'; SET @json2 = '{"ccmilestones":"10701", "descriptions":"10702,10703", "lolo": "lolita"}'; SELECT JSON_MERGE_PRESERVE(@json1,@json2);
RESULT = ["{"code": ["10701", "10701"], "descriptions": ["10701,10702", "10702,10703"], "lolo": "lolita"}"]
I NEED THIS = ["{"code": ["10701"], "descriptions": ["10701, "10702,10703"], "lolo": "lolita"}"]
The values in ache key value array will be unique.
Answer Answered by Ian Gilfillan in this comment.
JSON_MERGE_PATCH does not preserve members with duplicate keys. It doesn't give you quite what you said you wanted, but may be helpful for what you're trying to achieve:
SELECT JSON_MERGE_PATCH(@json1,@json2); +----------------------------------------------------------------------------+ | JSON_MERGE_PATCH(@json1,@json2) | +----------------------------------------------------------------------------+ | {"ccmilestones": "10701", "descriptions": "10702,10703", "lolo": "lolita"} | +----------------------------------------------------------------------------+
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