JSON_MERGE_PRESERVE with JSON_ARRAYAGG
Hello,
I'm trying to use JSON_ARRAYAGG to group all row json column and then have them merged by key with JSON_MERGE_PRESERVE.
It gives me this error:
Error Code: 1582. Incorrect parameter count in the call to native function 'JSON_MERGE_PRESERVE'
Shouldn't the JSON_MERGE_PRESERVE function accept an array as input ?
Thanks,
Luis
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JSON_MERGE_PRESERVE with JSON_ARRAYAGG
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June 21, 2018 11:53AM
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